Gerhard Götze KG I N D I V I D U A L I T Y F O R M O R E S A F E T Y

Transcription

1 About us Gerard Götze KG INDEX I N D I V I D U A I T Y F O M O E S A F E T Y 1.0 Safety valves for industrial applications Overflow valves, control valves Fittings for water eaters (sanitary goods) Fittings for eating systems Pressure-reducing valves Dirt traps, non return valves and furter items Price list

2 About us Gerard Götze KG INDEX I N D I V I D U A I T Y F O M O E S A F E T Y 1.0 Safety valves for industrial applications Overflow valves, control valves Fittings for water eaters (sanitary goods) Fittings for eating systems Pressure-reducing valves Dirt traps, non return valves and furter items Price list

3 SAFETY VAVES F O I N D U S T I A A P P I C A T I O N S 1.0 Safety valves for industrial applications Wit TÜV* test certificate and approved according to te European pressure equipment directive, wit CE-mark For air, steam and gas P, P, T, T, bg bg For liquids E, E, bf 652, 652 G bf Witout TÜV* test certificate and witout CE-mark For air, steam gas and liquids Overflow 618 T, 619 valve, E gas-tigt version Angular 604 T, 605 safety E valve, spring-loaded, adjustable Angular adjustable, safety wit valve, andle spring-loaded, 615 T, 616 E for lifting Angular wit lever safety and balance valve, adjustable, 601 T, 602 E weigt piece Balance weigt cart Angular wit double safety lever valve, and adjustable, 612 T, 613 E two weigt pieces Capacity cart Setting instructions * German Tecnical Supervisory Control Board

4 OVEFOW VAVES A N D C O N T O V A V E S O F E D B A S S 1.0 Overflow/Control valves Adjustable from outside For air, steam, gas and liquids 608 T, 609 E

5 FITTINGS F O W A T E E A T E S ( S A N I T A Y G O O D S ) 1.0 Fittings for water eaters (sanitary goods) Diapragm DIN 4753 and safety TD valve, 721 TÜV tested according to 651 N Diapragm (not approved safety in Germany) valve, export version 651 Cleaning for diapragm and installation safety valves instructions Valve assembly groups for water eaters wit 672 pressure-reducer witout 669 pressure-reducer Double cone non-return valve 647 Application diagram

6 FITTINGS F O E A T I N G S Y S T E M S Fittings for eating systems Diapragm DIN 4751 and safety TD valve, 721 TÜV tested according to 651 N Diapragm (not approved safety in Germany) valve, export version 651 Safety TD 721, valve, DIN TÜV 4750, tested DIN 4751 according and DIN to Automatic systems air vent, pressure gauge for eating Single vent 900 valves and vent valve combinations Filling valve 905 Overflow 656 valve for eating systems

7 PESSUE EDUCING VAVES I N D I V I D U A I T Y F O M O E S A F E T Y 1.0 Pressure reducing valves Pressure sound proofed reducer wit dirt trap, DVGW* tested and 681 Determination of size and capacity Pressure reducer new in preparation Pressure 683 reducer wit socket joint * (German gas and water control board)

8 DIT TAPS N O N - E T U N V A V E S A N D F U T E I T E M S 1.0 Dirt traps, non-return valves and furter items Dirt traps 685 Non-return valves 646 M Float valves for water 620, 620 d Air inlet valves to avoid vacuum 625, 622 ow level signal pipes 630 Signal pipes

9 PICE IST G E N E A T E M S O F S A E 1.0 Price list Price list General terms of sale

10 ABOUT US I N D I V I D U A I T Y F O M O E S A F E T Y 1.0 Individuality for more safety Every lot size sort delivery times flexible advice quality in red brass and stainless steel For more tan 50 years tese commitments ave been te source of our success. Our customers know: Gerard Götze KG stands for customer commitment, prompt service, flexibility and innovation, even for te smallest order. Small and medium sized companies as well as multinational enterprises appreciate our expert knowledge and te reliability of our products. Our success is based on te ig quality standard of our products, te close communication wit our customers and our dedication to meeting te demands of te market. Our qualified staff and our efficient sales partners in Germany and abroad are always pleased to advise and support you, to make sure tat already wen planning your individual project te igest safety standards can be assured. owever, te best service would not be effective witout our broad knowledge of all te single products and te product range. Weter safety valves for industrial applications or fittings, pressure-reducing valves or our wide range of accessories we make sure tat te demands of innovative tecnology and modern design are met as well as te latest national and international standards and specifications. For tis we frequently undergo quality cecks and old all important certificates. Planning, design and production of our products assure tis ig quality and guarantee te safety of all your individual applications. Togeter wit you we wis to work for our common market success, wit dedication, creativity, commitment and wit our long experience. Now and in te future. 1.1

11 ABOUT US I N D I V I D U A I T Y F O M O E S A F E T Y 1.0 Please note: All descriptions and tecnical details given in tis catalogue ave been cecked torougly and correspond to te tecnical features of te products at te time of print. owever, tey are not binding for us. Subject to product canges resulting from tecnical development. Offers and deliveries according to our general terms of sale only. Gerard Götze KG Postfac udwigsburg Germany Company address: obert-mayer-strasse udwigsburg Germany Tel.: +49 (0) Fax: +49 (0) / info@goetze-armaturen.de www. goetze-armaturen.de 1.2

12 SAFETY VAVES Safety wit spring valves of made stainless of red steel brass Angular sape, spring-loaded, seal cap prevents unautorized canging of set pressure, knurled nut to lift te valve cone. No. 851 P wit Perbunan gasket for pressure tanks according to AD-data seet A2 for air, gas and steam up to 140 C. ange of adjustment: bar. No. 851 T wit Teflon gasket for pressure tanks according to AD-data seet A2 and steam boilers according to TD 421 for steam, air and gas up to 225 C. Up to 3 bar and 140 C also available wit EPDMgasket (resilient gasket). ange of adjustment: bar. No. 851 bg wit o-ring gasket made of EPDM (Perbunan or Viton, on request. Please state te flow medium), bellows made of bronze, spring and functioning parts protected, for pressure tanks according to ADdata seet A2 and TB 801, no. 22 and 23, also for inflammable and toxic gas, steam, air up to 140 C. Please follow te plant-related instructions. Wit BAM-approval for oxygen, in oil and greasefree version available at a surcarge. ange of adjustment: bar. By means of te bellows te valve is back pressure compensated, meaning back pressure occuring during te blowing-off does not impair te set pressure. Terefore te valve can be used as a safety overflow valve. Max. allowed back pressure: 4 bar. Safety valves are adjusted by te manufacturer only. F O I N D U S T I A A P P I C A T I O N S TÜV test certificate No. 851 P/T = 318 Code letter D/G No. 851 bg = 666 Code letter D/G Code letter F/K/S Weigt in kg For capacity cart and dimensions please see next page

13 851 P/T Gerard Götze KG 851 bg SAFETY VAVES F O I N D U S T I A A P P I C A T I O N S Safety valves made of red brass SW 2 1 do 851 P/T 851 bg No. 851 P range of adjustment No. 851 T range of adjustment neutral steam/gas No. 851 bg range of adjustment inflammable and toxic steam/gas Capacity cart for 851 P/T bar size kg/ steam size Nm 3 / air Capacity cart for 851 bg bar size kg/ steam size Nm 3 / air SW Installation dimensions in mm SW1 SW2 do do bar bar bar

14 SAFETY VAVES Safety wit stainless valves made steel spring of stainless steel Angular sape, spring-loaded, seal cap prevents unautorized canging of set pressure, knurled nut to lift te valve cone. No. 451 P wit Perbunan gasket for pressure tanks according to AD-data seet A2 for air, gas and steam up to 140 C. ange of adjustment: bar. No. 451 T wit Teflon gasket for pressure tanks according to AD-data seet A2 and steam boilers according to TD 421 for steam, air and gas up to 225 C. Up to 3 bar and 140 C also available wit EPDMgasket (resilient gasket). ange of adjustment: bar. corrosion resistant Material: material no. Inlet body Outlet body Inner parts Pressure spring Safety valves are adjusted by te manufacturer only. F O I N D U S T I A A P P I C A T I O N S TÜV test certificate No. 451 P/T = 318 Code letter D/G Weigt in kg 0.40 For capacity cart and dimensions please see next page

15 Sicereitsventile aus Safety made otguss of valves stainless steel für... SAFETY VAVES F O I N D U S T I A A P P I C A T I O N S 1 do Installation 1 dimensions in mm SW1 SW2 do ange of adjustment bar / / Capacity cart for 451 P/T bar size kg/ steam size Nm 3 / air

16 SAFETY VAVES Safety made of valves red brass Angular sape, spring-loaded, seal cap prevents unautorized canging of set pressure, knurled nut to lift te valve cone, bonnet can be removed witout affecting te set pressure. No. 860 wit Perbunan gasket (EPDM or Viton, on request, please state te flow medium) for pressure tanks according to AD-data seet A2 for air, neutral gas and steam up to 140 C. Wit EPDM gasket also suitable for steam boilers according to TD 421 group 1 to 3 bar, not for steam boilers specified in oter TD directions. For tose please see pages 2.1 and 2.3. ange of adjustment: 1 16 bar. Safety valves are adjusted by te manufacturer only. F O I N D U S T I A A P P I C A T I O N S TÜV test certificate No. 860 = 312 Code letter D/G Please state blowing-off pressure and blowing-off capacity wen giving an order! Weigt in kg For capacity cart and dimensions please see page

17 SAFETY VAVES Safety valves made of red brass F O I N D U S T I A A P P I C A T I O N S For protection against excess pressure, safety valves no. 860 for air, neutral steam and gas are installed into tose pressure tanks tat comply wit te regulations of te A2-data seet. Te valves may also be used for steam boilers according to TD 421, group 1 to 3 bar, owever not for steam boilers specified in oter TD directions. For tose please see pages 2.2 and 2.4. Installation dimensions in mm ange of adjustment do bar do Nm 3 / air kg/ steam bar 1 3 /2 /4 1 / /2 /4 1 /

18 SAFETY VAVES Pneumatic safety valves made of brass for pressure tanks according to AD-data seet A2 Spring-loaded, spring of rust-resistant quality, knurled nut to lift te valve cone. Seal cap prevents unautorized canging of set pressure. No. 811 wit elastic Perbunan gasket up to 130 C ange of adjustment: Size 1 /4 to 3 to 30 bar. Size to 1 to 16 bar. No. 811 V wit Viton gasket up to 180 C ange of adjustment: Size 1 /4 to 3 to 20 bar. Size to 1 to 16 bar. Surcarge 1 EU/pc. Wen placing an order please specify te blowingoff pressure and te blowing-off capacity! Pneumatic safety valves are adjusted by te manufacturer only. Owing to teir ig blowing-off rates, tese valves are especially suitable for pressure tanks and compressors. Even wit big pressure tanks tese rates allow te use of a small and inexpensive safety valve. Installation dimensions in mm Weigt in kg do SW 1 / F O I N D U S T I A A P P I C A T I O N S 3 / Blowing-off rates in Nm 3 /min at a compression of 10% above set pressure. 1 bar 2 bar 3 bar 4 bar 6 bar 8 bar 10 bar 12 bar 14 bar 16 bar 18 bar 20 bar 22 bar 24 bar 26 bar 28 bar 30 bar SW6kt TÜV test certificate No. 811 = 317/382 Code letter D/G - do

19 SAFETY VAVES Safety valves made of red brass wit spring of stainless steel Angular sape, spring-loaded, seal cap prevents unautorized canging of set pressure, knurled nut to lift te valve cone. No. 851 E wit Perbunan gasket, for pressure tanks according to AD-data seet A2 for neutral liquids up to 130 C, provided te temperature of te medium under atmosperic pressure does not come up to boiling temperature. ange of adjustment: bar. No. 851 bf wit o-ring gasket wit metallic support, made of Perbunan (EPDM or Viton, on request. Please state te flow medium, suc as glycol or oil, petrol, kerosene), bellows made of bronze, spring and functioning parts protected, for pressure tanks according to AD-data seet A2, also for inflammable and toxic liquids up to 150 C, provided te temperature of te medium under atmosperic pressure does not come up to boiling temperature. Please follow te plant-related instructions. ange of adjustment: bar ( from 1 bar). By means of te bellows te valve is back pressure compensated, meaning back pressure occuring during te blowing-off does not impair te set pressure. Terefore te valve can be used as a safety overflow valve. Max. allowed back pressure: 4 bar. If te flow medium is unleaded petrol or anti-freezing agent, please state so wen giving an order. Safety valves are adjusted by te manufacturer only. F O I N D U S T I A A P P I C A T I O N S TÜV test certificate No. 851 E = 268 Code letter F No. 851 bf = 684 Code letter F Weigt in kg For capacity cart and dimensions please see next page. 2.8

20 SAFETY VAVES 851 E 851 bf F O I N D U S T I A A P P I C A T I O N S Safety valves made of red brass SW 2 1 do SW 1 Installation dimensions in mm 851 E 851 bf No. 851 E range of adjustment neutral liquids No. 851 bf range of adjustment inflammable and toxic liquids 1 SW1 SW2 do do bar bar Capacity cart for 851 E bar size m 3 / liquid Capacity cart for 851 bf bar size m 3 / liquid

21 SAFETY VAVES Sicereitsgruppen aus Safety wit otguss stainless valves made steel spring of stainless steel für... Angular sape, spring-loaded, seal cap prevents unautorized canging of set pressure, knurled nut to lift te valve cone. No. 451 E wit Perbunan gasket, for pressure tanks according to AD-data seet A2 for neutral liquids up to 130 C, provided te temperature of te medium under atmosperic pressure does not come up to boiling temperature. ange of adjustment: bar. corrosion-resistant Material: material no. Inlet body Outlet body Inner parts Pressure spring Safety valves are adjusted by te manufacturer only. F O I N D U S T I A A P P I C A T I O N S TÜV test certificate No. 451 E = 268 Code letter F Weigt in kg 0.40 For capacity cart and dimensions please see next page

22 Safety made Sicereitsventile valves aus otguss of stainless steel für... SAFETY VAVES F O I N D U S T I A A P P I C A T I O N S 1 do Installation 1 dimensions in mm SW1 SW2 do ange of adjustment bar / Capacity cart for 451 E bar size m 3 / liquid

23 SAFETY VAVES Safety valves made of red brass Angular sape, spring-loaded, knurled nut to lift te valve cone, bonnet can be removed witout affecting te set pressure. Te installed diapragm keeps te medium from getting in contact wit te spring. Te seal cap prevents unautorized canging of te set pressure. No. 652 wit Perbunan gasket, for pressure tanks according to AD-data seet A2 for water and neutral liquids up to 130 C, provided te temperature of te medium under atmosperic pressure does not come up to boiling temperature. ange of adjustment: 1 16 bar. No. 652 G wit glycol-resistant gasket and diapragm to protect closed cooling cycles wit up to 100% glycol, provided te temperature of te medium under atmosperic pressure does not come up to boiling temperature. Connection sizes: to ange of adjustment: 1 16 bar. Safety valves are adjusted by te manufacturer only. F O I N D U S T I A A P P I C A T I O N S TÜV test certificate No. 652 = 293 Code letter F Please state blowing-off pressure and blowing-off capacity wen giving an order! Weigt in kg For capacity cart and dimensions please see next page

24 SAFETY VAVES Safety valves made of red brass F O I N D U S T I A A P P I C A T I O N S For protection against excess pressure, safety valves no. 652 for water and neutral liquids are installed into tose pressure tanks tat comply wit te regulations of te AD-data seet A2. Furter, tey are used to protect pumps and closed cooling cycles wit up to 30% glycol, version 652 G tose wit up to 100% glycol. Installation dimensions in mm ange of adjustment do bar do Blowing-off capacity at a compression of 10% above set pressure: bar m 3 / water / bar m 3 / water /

25 SAFETY VAVES Angular made of safety red brass / overflow valves Spring-loaded, spring of rust-resistant quality, completely closed oil and gas tigt bonnet, suitable as overflow valve also in case of back pressure. No. 618 T wit Teflon gasket for steam and gaseous media as well as for liquids up to 225 C. esistant to oil, unleaded petrol and benzene. No. 619 E wit elastic Perbunan gasket, for liquids and gaseous media up to 130 C. anges of adjustment: 0.2 to 0.8 bar 0.5 to 2.5 bar to1 bar No. 618 T also available for bar, surcarge 10%. F O I N D U S T I A A P P I C A T I O N S Witout TÜV test certificate! do Installation dimensions in mm Weigt in kg do 3 / Please state working pressure and intended use wen placing an order. For setting instructions please see page For blowing-off rates please see page 2.20! 2.14

26 SAFETY VAVES Angular made of safety red brass valves Spring-loaded, sealed bonnet, spring of stainless steel. No. 604 T wit Teflon gasket for steam and gaseous media as well as for liquids up to 225 C. No. 605 E wit elastic Perbunan gasket, for neutral liquids and gaseous media up to 130 C. anges of adjustment: 0.2 to 0.8 bar 0.5 to 2.5 bar to 1 bar No. 604 T also available for bar, surcarge 10%. In case of blowing-off, te medium must be discarged witout any pressure or blown in te air. F O I N D U S T I A A P P I C A T I O N S Witout TÜV test certificate! do Installation dimensions in mm Weigt in kg do 3 / Please state working pressure and intended use wen giving us an order. For setting instructions, please see page For blowing-off rates please see page 2.20! 2.15

27 SAFETY VAVES Angular made of safety red brass valves Spring-loaded, sealed bonnet, spring of stainless steel, valve cone can be lifted and turned by te extended saft and turning andle. No. 615 T wit Teflon gasket for steam and gaseous media as well as for liquids up to 225 C. No. 616 E wit elastic Perbunan gasket, for neutral liquids and gaseous media up to 130 C. anges of adjustment: 0.2 to 0.8 bar 0.5 to 2.5 bar to 1 bar No. 615 T also available for bar, surcarge 10%. In case of blowing-off, te medium must be discarged witout any pressure or blown in te air. F O I N D U S T I A A P P I C A T I O N S Witout TÜV test certificate! do Installation dimensions in mm Weigt in kg do 3 / Please state working pressure and intended use wen giving us an order. For setting instructions, please see page For blowing-off rates please see page 2.20! 2.16

28 Angular of red brass safety valves Wit lever and balance weigt piece. Valve cone can be lifted and turned. SAFETY VAVES F O I N D U S T I A A P P I C A T I O N S Witout TÜV test certificate! l No. 601 T wit Teflon gasket for steam and gaseous media as well as for liquids up to 225 C. No. 602 E wit elastic Perbunan gasket, for neutral liquids and gaseous media up to 130 C. do Installation dimensions in mm Blowing-off pres. Balance weigt piece Weigt of te fitting I do bar kg kg On request, we can supply angular safety valves wit lever and balance weigt piece, up to 16 bar blowing-off pressure. For larger quantities tere is a surcarge only for te eavier balance weigt piece. If single valves for non-standard pressures are required tere will be a surcarge of 10% for te valve and te balance weigt piece. For table of possible balance weigt pieces, please see page For blowing-off rates please see page 2.20! 2.17

29 SAFETY VAVES Table of balance weigt pieces for angular safety valves no. 601 T 602 E Pressure range: bar weigt in kg F O I N D U S T I A A P P I C A T I O N S CE 2-6 bar weigt in kg bar weigt in kg bar weigt in kg bar weigt in kg bar weigt in kg bar weigt in kg Te balance weigt pieces are supplied wit locking screw! If single parts for pressures different to te standard ones on page 2.17 are required tere will be a surcarge of 10%. 2.18

30 SAFETY VAVES Angular made of safety red brass valves Wit double lever and 2 balance weigt pieces for pressures 0.1 to 4 bar. Valve cone can be lifted and turned. F O I N D U S T I A A P P I C A T I O N S S l Witout TÜV test certificate! No. 612 T wit Teflon gasket for steam and gaseous media as well as for liquids up to 225 C. No. 613 E wit elastic Perbunan gasket, for neutral liquids and gaseous media up to 130 C. do Installation dimensions in mm Blowing-off pres. Balance weigt pieces Weigt of te fitting I S do bar kg kg x x x x / x x For blowing-off rates please see page 2.20! 2.19

31 SAFETY VAVES Blowing-off of te angular rates safety valves Balance weigt and spring loaded, at a compression of 10% above set pressure. Angular safety valves wit lever and weigt piece No. 601 T, 602 E, 612 T, 613 E kg steam/ size 1 2 size 1 2 size bar Nm 3 air/ bar l water/ bar F O I N D U S T I A A P P I C A T I O N S 12 size 3 / Angular safety valves wit spring No. 604 T, 605 E, 615 T, 616 E, 618 T, 619 E kg steam/ size 3 /8 1 2 size 3 / bar Nm 3 air/ bar l water/ bar

32 SAFETY VAVES Instructions for setting and lifting of spring operated safety valves witout TÜV test certificate To set te valves to te required pressure, please proceed as follows: emove te screw (1) and te bonnet (2). For closed valve versions no. 618 T and 619 E (witout sketc) unscrew cap nut. Unscrew lock nut (3) by turning anticlockwise. Tigten pressure screw (4) to te required pressure. Screwing-in increases pressure Screwing-out reduces pressure Tigten lock nut (3) by turning clockwise. eplace bonnet and screw / replace cap nut and tigten it. Te valve is set. F O I N D U S T I A A P P I C A T I O N S For lifting please proceed as follows: Pull te clamp andle for lifting. Te cone can be turned (eiter way) on te seat. 2.21

33 OVEFOW VAVES Proportional made of red brass overflow/control valves Spring-loaded spring of stainless steel, upper part oil and gas-proof, pressure adjustment by andle. A N D C O N T O V A V E S O F E D B A S S Nr. 608 T wit Teflon seat gasket for steam and gaseous media as well as for liquids up to 225 C, resistant to oil, unleaded petrol and benzene. Nr. 609 E wit Perbunan seat gasket for liquids and gaseous media up to 130 C. 3 /8 ange of adjustment: 2 to 12 bar Options: 0.2 to 0.8 bar 0.5 to 2.5 bar No. 608 T also available for bar at a surcarge of 10%. Installation dimensions in mm / /8 max For capacity carts please see next page. 3.1

34 OVEFOW VAVES Proportional overflow/control valves made of red brass Main fields of application: Were due to canging working conditions an easy and quick adjustment of te valves is required, e.g.: - Overflow valves Bypass valves for te protection of pumps Control valves in test benc tecnology - Safety valves tat can be set and adjusted by te user, for plants tat do not ave to be tested, if frequently canging opening pressures are required. Work: If te entry pressure exceeds te set spring pressure, te valve cone opens and releases te flow troug te valve. To increase te opening pressure, te andle must be turned clockwise, by wic te pre-tension of te spring is increased. Flow diagrams: A N D C O N T O V A V E S O F E D B A S S

35 FITTINGS Diapragm safety valves made of red brass wit extra large outlet Angular sape, spring-loaded, knurled nut to lift te valve cone, bonnet can be removed witout affecting te set pressure. Te seal cap prevents unautorized canging of te pressure. Entirely made of metal, body made of red brass. No. 651 N To protect closed-circuit drinking water eaters according to TD 721 DIN 4753 and DIN Adjusted by te manufacturer to 6, 8 or 10 bar. arger quantities available for water eaters wit oter working pressures (surcarge). Tese safety valves fall under article 3 paragrap (3) of te European pressure equipment directive and must not bear a CE-mark. F O W A T E E A T E S ( S A N I T A Y G O O D S ) 1 TÜV test certificate No. 651 N = 532 Code letter W 4.0 Installation dimensions in mm Weigt in kg Capacity of water container in l Max. allowed eating power in kw From 5000 l please refer to te eating capacity up to over set pressure in bar 6, 8 or over over 5000 eating capacity in kw For cleaning instructions please see page

36 FITTINGS Diapragm safety valves made of red brass Angular sape, spring-loaded, knurled nut to lift te valve cone, bonnet can be removed witout affecting te set pressure. Te seal cap prevents unautorized canging of te pressure. Entirely made of metal, body made of red brass. No. 651 To protect closed-circuit drinking water eaters. Adjusted by te manufacturer to 6, 8 or 10 bar. arger quantities available for water eaters wit oter working pressures (surcarge). F O W A T E E A T E S ( S A N I T A Y G O O D S ) Not approved in Germany! No Installation dimensions in mm Weigt in kg Capacity of water container in l up to For cleaning instructions please see page eating capacity in Gcal/ 1 bar bar bar bar bar bar bar bar bar bar / from 8000 l te size depends on te eating capacity

37 FITTINGS Instructions and lifting of for cleaning diapragm 651 / 651 safety N valves 651 / 651 N Cleaning: If te diapragm safety valve begins to leak, tis is usually caused by some dirt on te seat and seat gasket. A good working order can be re-acieved by simply cleaning te valve on site, provided te seat gasket as not been damaged yet. First relieve te valve of te pressure (please see paragrap "lifting ). Afterwards unscrew te complete bonnet including te diapragm and seat gasket from te body wit a suitable valve fork spanner (do not use pliers). Tis will neiter affect te set pressure nor will te seal be damaged. After cleaning of seat and seat gasket wit a fine brus and a clot, return te bonnet and tigten it sligtly. Press te seat gasket back to te seat by turning te knurled nut (clockwise) to te end stop. Te valve will work properly again. ifting: ift te seat gasket from te seat by turning te knurled nut (anticlockwise). Press te seat gasket on to te seat by turning te knurled nut (clockwise) to te end stop. Te valve will function again at te set pressure. F O W A T E E A T E S ( S A N I T A Y G O O D S )

38 Valve assembly groups made of red brass FITTINGS F O W A T E E A T E S ( S A N I T A Y G O O D S ) 4.0 No. 669 Sut-off valve, dirt trap wit fine stainless steel strainer, control screw for non-return valve, nonreturn valve, diapragm safety valve, treaded connection on bot sides, drain valve. No. 672 Sutoff valve, dirt trap wit fine stainless steel strainer, pressure reducer, control screw for nonreturn valve, non-return valve, diapragm safety valve, treaded connection on bot sides, drain valve, pressure gauge. No. 669 No. 672 Weigt in kg Weigt in kg Setting by te manufacturer: pressure reducer 4.5 bar - diapragm safety valve 6 bar For oter working pressures please give details. Surcarge of 25% for dull nickel-plated version Surcarge of 40% for cromium-plated version Spare part for no. 672: complete valve insert wit built-in dirt trap for pressure reducer. For tecnical data please see pages 4.5 and

39 Valve assembly groups made of red brass FITTINGS F O W A T E E A T E S ( S A N I T A Y G O O D S ) 4.0 Te safety group No. 669 is used for closed-circuit drinking water eaters. Te advantage of safety groups compared to separately installed valves is tat te valves are always installed in te rigt order. Te correct order for termally controlled closed-circuit water eaters wit a capacity of more tan 10 l is sown on te next page. Diapragm safety valve can be relieved of pressure, bonnet can be removed in order to clean te seat gasket witout affecting te set pressure. Te seal cap prevents unautorized canging of te set pressure. Setting by te manufacturer: 6 bar, for oter working pressures please give details. Gaskets of eat-resistant plastic. Dirt trap of stainless steel. For water pressures above 4.5 bar it is necessary to install a pressure reducer in front of te assembly group. Please see pages 4.6 and Installation dimensions I in mm Weigt in kg for container capacity in l up to up to

40 Valve assembly groups made of red brass FITTINGS F O W A T E E A T E S ( S A N I T A Y G O O D S ) Assembly group No. 672 wit pressure reducer is used to protect closed-circuit drinking water eaters. Installation order for a termally controlled water eater wit a capacity of more tan 10 l, installed according to DIN 1988: sutoff valve control screw non-return valve 1 pressure gauge connection piece (for boilers wit a capacity of up to 1000 l) pressure gauge (for capacities of more tan 1000 l) 1 sutoff valve (not required for capacities of less tan 150 l) diapragm safety valve drain valve 1 pressure reducer. Pressure reducer wit pressure-relieved single seat valve, body made of red brass, inner parts of Ms 58, spring of anti-rust spring steel, strainer of rustresistant steel, diapragm of ig-quality plastic wit insert of fabric, collar, o-ring and seat gasket of eat resistant plastic. Primary pressure up to 25 bar secondary pressure 1 7 bar, adjusted to 4.5 bar by te manufacturer. Installation dimensions I in mm Weigt in kg for container capacity in l 1 l Diapragm safety valve can be relieved of pressure, bonnet can be removed to clean te seat gasket witout affecting te set pressure. Te seal cap prevents unautorized canging of set pressure. Adjusted to 6 bar by te manufacturer. For oter working pressures please give details / up to up to

41 FITTINGS Double cone non-return valves made of red brass No. 647 for automatic sutoff in closed-circuit piping systems F O W A T E E A T E S ( S A N I T A Y G O O D S ) 4.0 Installation dimensions in mm Weigt in kg In order to avoid socks or vibrations of te valve cone wile in use, it is essential to coose te rigt nominal size of te double cone non-return valves in relation to te rate of output. Te rates of flow sould be according to te following table: Size l /min For purpose of use and installation diagram please see page

42 FITTINGS Installation diagram for double cone non-return valves To acieve te best functional effect, te piping system sould be connected to te boiler in te lowest possible position. Te double cone non-return valve assures tis and offers te owners of water eaters te following advantages: ot water at any time. No entry of cold water into te ot water pipe. No entry of ot water into te cold water pipe, so tat water meters are protected too. Te double cone as an e l a s t i c gasket and is sock-absorbing and noiseless. Cost saving for material and fuel. Picture 1 Picture 2 F O W A T E E A T E S ( S A N I T A Y G O O D S ) Function: Picture 1 Open circulation pipe. Wen te valve is not in operation, te cold water is sut off by te l o w e r part of te valve cone. No ot water is drawn. Picture 2 ot water is drawn. Te flow of water from te cold water pipe to te boiler lifts te valve cone. Te u p p e r part of te cone blocks te circulation pipe so tat no cold water will be let in. taps 4.0 ot water pipe eturn pipe safety valve water eater cold water connection sutoff valve double cone non-return valve 4.8

43 FITTINGS Diapragm safety valves made of red brass wit extra large exit. Angular sape, spring-loaded, knurled nut to lift te valve cone, bonnet can be removed witout affecting te set pressure. Te seal cap prevents unautorized canging of te pressure. Entirely made of metal, body made of red brass. No. 651 N To protect termally protected closed-circuit water eating systems wit flow temperatures of up to 120 C and an allowed eating power of up to 2700 kw according to TD 721 DIN 4751 part 2. Sould te termostatic limiting and control unit fail, te safety valve will blow off te total eating capacity of te eat generators as ot water and steam. Te material of te diapragm and te seat gasket is resistant to media wit up to 30% glycol. TÜV tested: 2.5 and 3 bar. In order to reac te igest eating capacity according to TD 721, up to tree valves per system can be installed wit separated outlet lines. F O E A T I N G S Y S T E M S 1 TÜV test certificate No. 651 N = 516 Code letter 5.0 Installation dimensions in mm 1 Weigt in kg eating power Germany P in kw wit 2.5 and 3 bar eating power Germany Q in Kcal/ wit 2.5 and 3 bar For safety valves for oter blowing-off pressures and oter eating systems please see page 5.3. For cleaning instructions please see page

44 FITTINGS Diapragm safety valves made of red brass Angular sape, spring-loaded, knurled nut to lift te valve cone, bonnet can be removed witout affecting te set pressure. Te seal cap prevents unautorized canging of te pressure. Entirely made of metal, body made of red brass. No. 651 To protect termally protected closed-circuit water eating systems wit flow temperatures of up to 120 C. Sould te termostatic limiting and control unit fail, te safety valve will blow off te total eating capacity of te eat generators as ot water and steam. Te material of te diapragm and te seat gasket is resistant to media wit up to 30% glycol. Adjusted by te manufacturer: 2.5 bar, 3 bar or 3.5 bar. Oter pressures on request (surcarge). Size also available wit pressure gauge connection (651 M). F O E A T I N G S Y S T E M S Not approved in Germany! No Installation dimensions in mm Weigt in kg Blowing-off capacity in kcal/ 2.5 bar in kcal/ 3 bar Q in kcal/ 3.5 bar kcal/ = kw For valves wit iger termal unit values, please see page 5.3, no / 4. For cleaning instructions please see page

45 FITTINGS F O E A T I N G S Y S T E M S Safety made of valves bronze bellows red brass, and wit stainless steel spring, o-ring-gasket made of glycol-resistant wit metallic EPDM. support, Angular sape, set pressure protected by seal cap, knurled nut to lift te valve cone, spring and moving parts protected. By means of te bellows te valve is back pressure compensated, meaning back pressure occuring during te blowing-off does not impair te set pressure. No To protect low-pressure steam generators according to TD 721 DIN Set pressure 1 bar or for termostatically protected closed-circuit water eating systems according to TD 721 DIN 4751 Part 1 Set pressure 1 bar. No To protect termostatically protected closed-circuit water eating systems wit flow temperatures of up to 120 C according to TD 721 DIN 4751, part 2. For all static eigts or nominal powers of more tan 350 kw as well as solar systems according to DIN 4757 part 1 and 2. Adjustment rage: 0.5 to 25 bar. To get maximum eating efficiency, 3 valves per system can be installed. Safety valves are adjusted by te manufacturer only. TÜV test certificate No = 541 Code letter D No = 665 Code letter D/G/ 5.0 Weigt in kg For capacity cart and dimensions please see next page. 5.3

46 FITTINGS Safety valves made of red brass Installation 1 dimensions in mm SW1 SW2 do Capacity cart for wit 1 bar Size kg/ steam 1 3 /2 60 / Capacity cart for bar size kg/ steam size kw To protect indirectly eated eat generators according to DIN 4751 part 2, te safety valves sould only be assessed for te flow rate of te expansion water. For blowing-off capacities please see table for 851 bf, page m 3 / of water corresponds to a eating capacity of 1000 kw. 1 1 / F O E A T I N G S Y S T E M S kw and SW do SW kw = 860 kcal/

47 FITTINGS Automatic Air Vent wit integral stop valve for eating systems up to 6 bar No. 627 Treaded socket made of brass, body and lid made of eat resistant plastic, reinforced wit glass fibre. Te lid wit floater can be completely excanged. Dimensions in mm Weigt in kg Te automatic air vent is installed in eating systems, pipelines, air separators, radiators etc. Pressure gauge F O E A T I N G S Y S T E M S for eating systems according to DIN 4751 part 2 No. 31 Body: Connection: Scale: D 3 / diameter 63 mm 1 /4 at te rear end 0.4 bar, wit red indicator at 1.5 bar, red mark at 2.5 bar, green section between 1.5 and 2.5 bar. Termo pressure gauge for eating plants according to DIN 4751 part 2 No. 32 Body: diameter 80 mm Connection: at rear end Pressure scale: 0.4 bar, wit red indicator at 1.5 bar. Temperature scale: C D

48 FITTINGS Single vent valve vent combinations valve and for eating plants according to DIN 4751 part 2 Vent valve No. 900 Body made of varnised grey cast iron wit female tread connection, possible connection of automatic air vent, diapragm safety valve, pressure gauge or termo-pressure gauge, expanding camber. 1 Dimensions in mm Weigt in kg F O E A T I N G S Y S T E M S Connection tread for pressure gauge standard 1 /4, on request Connection for expanding camber at te bottom part of te body. Vent valve combinations No. 901 Consisting of: vent valve No please state dimensions! automatic air vent No /8 diapragm safety valve No. 651 N 2.5 or 3 bar, wit nipple No. 902 as no. 901 and wit pressure gauge 1 /4, no. 31 No. 903 as no. 901 and wit termo-pressure gauge, no. 32 On request vent valve combinations of and 1 can be supplied wit diapragm safety valves no. 651 N or no. 651 N. Surcarge on request

49 Filling made of valve red brass For eating systems according to DIN 4751 part 2 No. 905 FITTINGS F O E A T I N G S Y S T E M S max Ø 1 /2 50 Filling valve no. 905 is installed in te feed line to prevent damages from excess pressure during te filling of closed-circuit eating systems. Te filling of te eating system is automatically controlled by te built-in pressure reducer. Te filling valve suts off wen te set pressure is reaced and tus prevents overfilling. Te filling valve consists of: Stainless steel strainer insert, sutoff valve, pressure reducer, pressure gauge connection 1 /4 on bot sides, at te same time used as cecking screw for non-return valve, non-return valve, ose connection piece. Pressure reducer wit pressure-relieved single seat valve, body made of red brass, top and inner parts of brass, spring of anti-rust spring steel, strainer of anti-rust steel, mes size 0.25 mm, diapragm of ig-quality plastic wit insert of fabric, collar and seat gasket of eat-resistant plastic Inlet: ose connection piece Outlet: Female tread connection For use in Germany te ose connection as to be disconnected from te filling valve after filling of te plant. For use outside Germany tis valve can be supplied wit inlet screwed end, external tread at te inlet side. Please give detailed information wit your order. Inlet pressure: up to 25 bar Outlet pressure: 0.5 to 3.5 bar Weigt in kg:

50 FITTINGS Overflow valves for eating systems No. 656 To be installed between eat line and return line of te eating system. Please make sure te overflow valve is installed beind te circulation pump. Te overflow valve guarantees a constant pump pressure in te eating plant and prevents noise generation. If radiator valves are closed it ensures a minimum amount of circulating water. F O E A T I N G S Y S T E M S 82 Pump pressure [mws] turns to te rigt 6 turns to te rigt 3 turns to te rigt Knurled nut turned to te left, to end stop Flow [l/] Te body is made of red brass and te bonnet is made of brass. Terefore te overflow valve is very solid. Te material of te gasket is resistant to ot water and steam up to 140 C / /4 Inlet side: Female tread connection. Outlet side: Female tread connection. Wen delivered, te knurled nut is turned to te left, to end stop. Te adjustment sould be done by turning te knurled nut to te rigt until you get te required diagram values. ange of adjustment: bar Weigt in kg:

51 PESSUE EDUCING VAVES No. 681 Entirely made of metal, body and spring bonnet of red brass, screw joints made of brass, on bot sides, for iron pipes. If requested, wit soldered joint for copper pipes. Spring made of anti-rust spring steel. Strainers made of stainless steel, mes size /2 to = 0.6 mm, 1 and 2 = 0.75 mm. Diapragm made of ig-quality plastic wit insert of fabric, collar, o-ring and seat gasket made of eat resistant plastic. Body wit 1 /4 connection for pressure gauge on bot sides. Primary pressure up to 25 bar Secondary pressure 1 7 bar Suitable for water up to 95 C, pressure air, neutral gas, neutral and non-adesive liquids. Spare part: complete valve inserts including dirt traps. Accessories: Pressure gauge 0-10 bar, body wit a diameter of 50 mm, connection pin 1 /4 at te rear end. I N D I V I D U A I T Y F O M O E S A F E T Y Pressure wit pressure-relieved reducer of red single brass and built-in dirt trap seat valve Tested by DVGW (German Gas & Water Control Board) Sound-proofing according to DIN Grade: group I Seats - made of stainless steel 1 and 2 made of red brass. 6.0 Soldered joint f. copper pipe Weigt in kg For flow capacities see page

52 PESSUE EDUCING VAVES I N D I V I D U A I T Y F O M O E S A F E T Y Pressure wit pressure-relieved reducer made single of red seat brass valve Used for domestic water supply systems according to DIN 1988 as well as for industrial plants. d l Installation soldered joint d dimensions I in mm Installation instructions: Please install te pressure reducer wit relaxed spring, in te direction of te arrow. Wit no pressure (no consumption) please turn te screw to te rigt until te pressure gauge indicates te required end pressure. Wen adjusting please consider tat te end pressure adjusted wile tere is no consumption, due to loss by friction will drop a bit more wen water is drawn. For flow capacity please see page

53 PESSUE EDUCING VAVES Determination of size and capacity of pressure reducers no. 681 I N D I V I D U A I T Y F O M O E S A F E T Y For liquids: By te elp of te diagram, te necessary diameter (DN) can be determined for a required flow rate V (m 3 /). In domestic water supply systems a flow speed of 2 m/s sould not be exceeded according to te DVGW-guidelines (DIN 1988). 6.0 For pressure air and oter gaseous media: Te usual flow speed for pressure air is m/s. For gaseous media te flow rate V always sould be stated in industrial m 3 /. If te flow rate is given in normal cubic meters, tese normal cubic meters sould be converted into industrial cubic meters before using te diagram. V(m 3 /) = Vnorm. (Nm 3 /) = V Norm pabsol. (bar) pü+1 Industrial cubic meters refer to te pressure condition of te medium beind te pressure reducer. 6.3

54 Pressure reducer new in preparation ere you will soon find information on our new pressure reducer. PESSUE EDUCING VAVES I N D I V I D U A I T Y F O M O E S A F E T Y

55 Pressure reducer new in preparation ere you will soon find information on our new pressure reducer. PESSUE EDUCING VAVES I N D I V I D U A I T Y F O M O E S A F E T Y

56 PESSUE EDUCING VAVES Pressure wit socket reducer joint, made wit of red brass pressure-relieved single seat valve No. 683 Entirely made of metal, body and spring bonnet made of red brass. Spring bonnet for sizes 3 /8 and made of brass. Body wit 1 /4 connection for pressure gauge on bot sides. Primary pressure up to 50 bar ( 30 bar). Secondary pressure 1.5 to 8 bar. Biggest reduction relation 10 : 1. Suitable for pressure air and neutral gas up to 95 C, also for water, neutral and non-adesive liquids if smaller flow capacities are sufficient. For domestic water pipes we recommend no Please see catalogue page 6.1. Determination of size and capacity of pressure reducers no. 683 air rate V (Nm 3 /) / / / delta p (bar) pressure loss secondary pressure Installation dimensions in mm Weigt in kg 3 / For setting instructions please see page 6.2. I N D I V I D U A I T Y F O M O E S A F E T Y

57 DIT TAPS Dirt made trap of red brass PN 16 No. 685 wit o-ring gasket in te screw plug, double strainer, entirely made of stainless steel. Standard version: fine strainer, mes size 0.25 mm (finer mes sizes on request, at surcarge). On request available wit only a coarse strainer (no surcarge). Mes sizes: 3 /8 up to 0.5 mm up to mm Suitable for water, oil, pressure air and neutral gas. Spare part: double strainer made of stainless steel. For maintenance and to excange te strainer insert, please keep a free space of at least 2 x from te centre of te pipe. N O N - E T U N V A V E S A N D F U T E I T E M S 7.0 Installation dimensions in mm Weigt in kg 3 /

58 DIT TAPS Non-return valve made of red brass eavier version PN 16 for vertical installation. Also suitable for ydro-automatic control. N O N - E T U N V A V E S A N D F U T E I T E M S No. 646 M Entirely made of metal, wit metallic gasket. 7.0 mm Weigt in kg

59 DIT TAPS Float wit copper valve made floater of red brass pressure resistant up to 6 bar, temperature resistant up to 120 C No. 620 Air gets out via te lateral oles at te seat screw. N O N - E T U N V A V E S A N D F U T E I T E M S 65Ø 110 No. 620 d Air gets out via a seat screw wit female tread connection, sizes 1 /4, 3 /8 or. Weigt in kg 3 / Decompression takes place wen te ball floater is in te lowest position. In tis position te air can freely escape troug te valve. After decompression, te flowing water lifts te floater and closes te valve so tat no water can escape. Ventilation takes place wen te water level as dropped and te floater releases te valve

60 DIT TAPS Air inlet valve made of brass to avoid vacuum No. 625 wit lever and adjustable weigt piece. 3 /8 mm SW Weigt in kg No. 622 spring-loaded mm SW Weigt in kg 3 / ow made level of brass signal pipe No bar, blowing-off mm SW Weigt in kg Signal made of pipe brass N O N - E T U N V A V E S A N D F U T E I T E M S to prevent steam pressure from getting too ig No. 632 adjusted to bar or bar by te manufacturer. Weigt in kg ktSW 6ktSW 6ktSW 6ktSW /2 7.4