Ball valve-combinations 105 Shut-off blocks with integrated bypass and safety-lock 106 Sandwich plates 108 Accumulator safety blocks 114

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2 able of contents Ball valve-combinations 105 hut-off blocks with integrated bypass and safety-lock 106 andwich plates 108 Accumulator safety blocks 114 with integrated 2-way ball valve type RA 114 with integrated 3-way ball valve type R 120 with integrated 3-way ball valve type R 124 3

3 roduct overview hut-off blocks with integrated bypass and safety-lock andwich plates Accumulator safety blocks

4 hut-off blocks technical information hut-off blocks steel DN 10 - DN 25 andle included in delivery For handles refer to "Attachments, accessories". lease check pressure ratings of pipe fittings! Custom orders on request Dimensions in mm Weight in kg ressure in bar hut-off blocks with integrated bypass and safety-lock Body: Ball: tem: Ball seals: tem seals: steel, black oxide steel, hard chrome plated steel, zinc plated O NBR Application/function: For liquid and oily media as per the compatibility table in the technical data appendix; for insertion upline of actuator cylinders with the capability to both block the cylinder feed lines and to short-circuit them. ype of DN hread OD B B1 B2 B3 1 2 W W1 andle Weight N Article-No. D Code For cut (clamp) ring tube fittings DIN 2353 light series IO x 1, ,0 22,8 60 6, ,7 45,7 70, ,5 43,5 8, , x 1, ,0 23,5 80 9,5 17,0 46,5 76, ,0 49,5 10, , x ,5 29, , ,0 60,0 97, ,0 68,5 10, , x ,6 32, , ,8 71,8 115, ,0 74,5 10, , he previous situation: Installation of seperate ball valves in the piping system. ere a total of twelve pipe joints must be provided, using two tees. his is labor-intensive and thus expensive. In addition, the hazard of leaks rises with the number of joints. For cut (clamp) ring tube fittings DIN 2353 heavy series IO x 1, ,0 22,8 60 6, ,7 45,7 70, ,5 43,5 8, , x 1, ,0 23,5 80 9,5 17,0 46,5 76, ,0 49,5 10, , x ,5 29, , ,0 60,0 97, ,0 68,5 10, , x ,6 32, , ,8 71,8 115, ,0 74,5 10, , Our solution for the problem: Combining the three shut-off functions within a single block by incorporating three ball valve assemblies. Only four pipe s need to be made. A certain sequence in operation is achieved by cam interlocks on the ball valves: 1. block the rod end 2. open the bypass 3. block the piston end Advantages: - clear design and user-friendly arrangement - quick assembly with a reduced number of pipe s - reduced hazard of leaks - mutual interlocks for the valves give a specific operating sequence and prevent any pressure intensification in the rod end of the cylinder - switches can be attached B-female thread DIN EN IO N-female thread ANI/AE B G 3 / ,0 22,8 60 6, ,7 45,7 70, ,5 43,5 8, , G 1 / ,0 23,5 80 9,5 17,0 46,5 76, ,0 49,5 10, , G 3 / ,5 29, , ,0 60,0 97, ,0 68,5 10, , G ,6 32, , ,8 71,8 115, ,0 74,5 10, , /8-18 N , ,0 22,8 60 6, ,7 45,7 70, ,5 43,5 8, , /2-14 N ,6 53,0 23,5 80 9,5 17,0 46,5 76, ,0 49,5 10, , /4-14 N , ,5 29, , ,0 60,0 97, ,0 68,5 10, , /2 N , ,6 32, , ,8 71,8 115, ,0 74,5 10, ,

5 andwich plates technical information andwich plates NG 6 N 315 Article-No Weight: 1,55 kg Opening pressure of check valve: approx. 0,3 bar Drilling pattern to DIN A6 and IO Custom orders on request Also available with blocking in A and B only Dimension sheet on request, locking device retrofittable hut-off plates and sandwich elements for interconnected systems he previous situation: Operation setting: andwich plate with the solenoid valve mounted on top he large number of control elements means large systems susceptible to malfunctions. If, for example, a solenoid valve at the central hydraulic system for an aluminium rolling mill failed, the controlled component would have to be operated manually or production would have to be suspended to change the valve. his replacement makes it necessary to depressurize the system, to prop up external loads which cylinders are supporting and to drain the fluid from the riser lines to the cylinder. Once the solenoid valve has been changed, the lines will have to be refilled and bled. Our solution for the problem: With the use of our sandwich-plate, which is bolted seperately to the control block, all the channels through the plate can be blocked and the directional-control valve can be replaced without having to depressurize or drain lines and without affecting the other control units on the same block. All channels are open during normal operation. he operating handle can be removed to prevent unauthorized actuation. Advantages: - full bore design causes no pressure drop - significant reduction in hydraulic system downtime - no need to drain fluid, bleed air or refill the system - simplified start-up and maintenance due to the ease of changing flushing plates and directional valves - pressure can be maintained in cylinders so that the supported loads do not need to be shored up - standard mounting and porting patterns allow retrofit without rework - proprietary design increases safety by utilizing separate mechanically isolated bolts for mounting the sandwich-plate and directional valve; removing the directional valve cannot accidentally loosen the sandwichplate Applications: For liquid media as per the compatibility table in the technical data appendix On request: imit switch, proximity switch, locking devices; also available in other materials and combinations Repair setting: assages inside the sandwich plate shut-off; plate remains bolted to the hydraulic control block. olenoid valve removed. V A ,75 48, ,9 8,5 15,5 W7 5,1 0,75 V A 48 A 13 A 12,7 21,5 30,2 48,2 74,5 66,5 40,5 16,8 B W7 RV RA 48 B W7 5 RV RA A: working A : Arbeitsanschluß B: working B : Arbeitsanschluß : pressure : Druckanschluß : reservoir : ankanschluß ,6 10 to bis empf. recommended Einschraublänge thread engagement

6 andwich plates NG 10 N 315 andwich plates NG 16 N 315 Article-No Weight: 4,45 kg Opening pressure of check valve: approx. 0,3 bar Drilling pattern to DIN A10 and IO Custom orders on request Also available with blocking in A and B only Dimension sheet on request, locking device retrofittable Article-No Weight: 11,7 kg Opening pressure of check valve: approx. 0,3 bar Drilling pattern to DIN A16 and IO Custom orders on request Also available with blocking in A and B only Dimension sheet on request, locking device retrofittable 106,5 91 V A 46 32,5 21,4 12 6,3 A B *) 70 RV RA V RV 99,5 63,6 W8 A V A 3,2 18,5 16, ,3 50, ,6 W8 RA RV W8 A: A working : Arbeitsanschluß B: B working : Arbeitsanschluß : pressure : Druckanschluß : reservoir : ankanschluß *): blind : Blindabdichtung sealing for potential für evtl. additional tank zusätzlichen ankanschluß B to bis empf. Einschraublänge recommended thread engagement V RV A: working B: working : pressure : reservoir : leak X: pilot Y: pilot 20 to 25 recommended thread engagement 21,4 12,

7 andwich plates NG 25 N 315 andwich plates NG 32 N 315 Article-No Weight: 25,4 kg Opening pressure of check valve: approx. 0,3 bar Drilling pattern to DIN A25 and IO Custom orders on request Also available with blocking in A and B only Dimension sheet on request, locking device retrofittable Article-No Weight: approx. 60 kg Drilling pattern to DIN A32 and IO Custom orders on request also available with blocking in A and B only Dimension sheet on request, locking device retrofittable V A: working B: working : pressure : reservoir : leak X: pilot Y: pilot V RV minimum installation clearance 184 recommended thread engagement A V A: A working : Arbeitsanschluß B B: working : Arbeitsanschluß : pressure : Druckanschluß : reservoir : ankanschluß : leak : eckanschluß X: pilot X : teueranschluß Y: pilot Y : teueranschluß V A (drilling (ochbild pattern DIN 24340) (drilling (ochbild pattern IO 4401) 76.2 X Y A B RV RA 197 minimum indest-einbaubreite installation clearance RA RV 140 X 91.1 RV 35 bis 40 recommended thread engagement empf. Einschraublänge W W17 W17 W17 33 W17 A 33 B 6 Ø

8 Accumulator safety blocks with integrated 2-way ball valve type RA echnical information Accumulator safety blocks with integrated 2-way ball valve type RA ocking device available manuelle anual Entlastung relief zusätzliche Additional elektromagnetische electromagnetical Entlastung relief ecuring, isolating and depressurising hydraulic pressure accumulators: imple operation stands for absolute operational safety. Depending on the position of the handle, the passage from the system to the accumulator will be opened or closed. he accumulator block can be kept pressurised with the valve in the closed status (battery configuration). he accumulator can be relieved manually with the integrated valve. - Refer to "3-way accumulator safety blocks" if automatic relief is desired. Flexibility thanks to a modular design: he modular design concept makes the safety block particularly economical and flexible to meet customer requirements. he body is assembled at the factory with adapter fittings in accordance with your order. Applications/functions: For liquid media as per the compatibility table in the technical data appendix he accumulator safety blocks can be supplied with solenoid-operated relief valves if desired. Every block is equipped with the s required for retrofitting. Easy orde guide: RA 10 F F N 300 E Y 1 Nominal size (NG) ball valve 10 = NG = NG = NG 32 Connection thread pump () A = 2x1.5 light series (IO ) B = 36x2 light series (IO ) C = 52x2 light series (IO ) D = 4x1.5 heavy series (IO ) E = 42x2 heavy series (IO ) F = G 1 /2 (DIN EN IO 228-1) G = G1 (DIN EN IO 228-1) = G1 1 /2 (DIN EN IO 228-1) J = 1 /2-14N (ANI/AE B ) = /2N (ANI/AE B ) = 1 1 / /2N (ANI/AE B ) = other threads Connection thread tank () A = 2x1.5 light series (IO ) B = 36x2 light series (IO ) C = 52x2 light series (IO ) D = 4x1.5 heavy series (IO ) E = 42x2 heavy series (IO ) F = G 1 /2 (DIN EN IO 228-1) G = G1 (DIN EN IO 228-1) = G1 1 /2 (DIN EN IO 228-1) J = 1 /2-14N (ANI/AE B ) = /2N (ANI/AE B ) = 1 1 / /2N(ANI/AE B ) = other threads Adapter fitting for accumulator () e.g. 010 = G 3 /4A (DIN EN IO 228 1) refer to table Body material 1 = teel 4 = other material ealing material (elastomer) 1 = NBR 2 = F 3 = ED 5 = other material ressure relief valve () N = without approval = with ÜV-approval X = Delivered without pressure limiter valve opening pressure 300 = e.g. 300 bar 000 = Delivered without pressure limiter valve Relief = manual E = manual and electromagnetic V = prepared for electromagnetical relief olenoid valve design X = Delivered without solenoid valve Y = open when de-energized Z = closed when de-energized olenoid valve voltage 0 = Delivered without solenoid valve 1 = 24 V DC 2 = 230 V DC 3 = other NG = ump -version 400 bar = ank = Accumulator 1 = est gauge G 1 /4 (DIN EN IO 228-1) 2 = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 8x1.5 assembly torque Nm V = 2-way-solenoid valve cavity-thread 0x1.5 assembly torque Nm (manual relief closed) V = ressure relief = andle Code 13 (8kt8) V V Abb. Fig. 11 Fig. Abb. 22 Adapter fittings for accumulator Fig. D 1 Connection- Adapter- 1 2 D 2 thread fitting (W) G 3 /4 A ,5-17 x 3 1 G 1 A ,5-22 x 3 G 1 1 /4 A ,5-30 x 3 G 2 A ,5-48 x 3 30 x 1, , x x 1, , x 3 50 x 1, , x

9 Accumulator safety blocks with integrated 2-way ball valve type RA Accumulator safety blocks with integrated 2-way ball valve type RA manuelle anual Entlastung relief zusätzliche Additional elektromagnetische electromagnetical Entlastung relief manuelle anual Entlastung relief zusätzliche Additional elektromagnetische electromagnetical Entlastung relief NG 20 NG V V Adapter fittings for accumulator Adapter fittings for accumulator = ump -version 400 bar = ank = Accumulator G 1 /2 (DIN EN IO 228-1) 2 = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 35x1.5 assembly torque Nm V = 2-way-solenoid valve cavity-thread 0x1.5 assembly torque Nm (manual relief closed) V = ressure relief = andle Code 15 (8kt14) 2, ,7 x 2,8 33 x 2 Fig. 1 Ø38 Fig. 2 2, x 2 Ø38 Abb. D 1 Connection- Adapter- 1 2 D 2 thread fitting (W) G 3 /4 A ,5-17 x 3 1 G 1 A ,5-22 x 3 G 1 1 /4 A ,5-30 x 3 G 2 A ,5-48 x 3 30 x 1, , x x 1, , x 3 50 x 1, , x ,7 x 2,8 = ump -version 400 bar = ank = Accumulator 1 = est gauge G 1 /2 (DIN EN IO 228-1) 2 = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 35x1.5 assembly torque Nm V = 2-way-solenoid valve cavity-thread 0x1.5 assembly torque Nm (manual relief closed) V = ressure relief = andle Code 21 (8kt17) 2 37,2 x 3 37,2 x 3 Ø105 (4 bores) Bohrungen) Ø105 (4 bores) Bohrungen) Fig. 1 Fig. 2 Fig. D 1 Connection- Adapter- 1 2 D 2 thread fitting G 3 /4 A x 3 1 G 1 A x 3 G 1 1 /4 A x 3 G 2 A x 3 30 x 1, x x 1, x 3 50 x 1, x

10 Accumulator safety blocks with integrated 2-way ball valve type RA Accumulator safety blocks with integrated 2-way ball valve type RA manuelle anual Entlastung relief zusätzliche Additional elektromagnetische electromagnetical Entlastung relief manuelle anual Entlastung relief zusätzliche Additional elektromagnetische electromagnetical Entlastung relief NG 32 NG V 31 2 DN51 IO V 31 1/2-13UNC DN51 IO V DN38 IO V /8-11 UNC DN38 IO = ump connector DN 38 IO (metric) DN 51 IO (metric) -version 350 bar = ank connector 3 /4-16 UNF-2B = Accumulator connector DN 38 IO (metric) DN 51 IO (metric) = est gauge 1 /4-18 N = ressure relief valve cavity-thread 6x1.5 assembly torque Nm V = 2-way olenoid cavity-thread 0x1.5 assembly torque Nm (manual relief closed) V = ressure relief = andle Code 21 (8kt17) = ump DN 38 IO (UNC) DN 51 IO (UNC) -version 350 bar = ank 3 /4-16 UNF-2B = Accumulator DN 38 IO (UNC) DN 51 IO (UNC) = est gauge 1 /4-18 N = ressure relief valve cavity-thread 6x1.5 assembly torque Nm V = 2-way-solenoid valve cavity-thread 0x1.5 assembly torque Nm (manual relief closed) V = ressure relief = andhebel Code 21 (8kt17)

11 Accumulator safety blocks with integrated 3-way ball valve type R echnical information Accumulator safety blocks with integrated 3-way ball valve type R ocking device available anual relief Additional electromagnetical relief ecuring, isolating and depressurizing hydraulic pressure accumulators: imple operation stands for absolute operational safety. Depending on the position of the handle, the passage from the system to the accumulator will be opened or with simultaneous relief of the accumulator - closed. he integrated 3-way ball valve ensures that the system will be blocked off and the accumulator pressure relieved with just a single motion; this eliminates the need for an additional relief valve. If seperate isolation of the accumulator is desired, refer to the "Accumulator 2-way safety block" information. Flexibility thanks to a modular design: he modular design concept makes the block particularly economical and flexible to meet customer requirements. he body is assembled at the factory with adapter fittings in accordance with your order. Applications/functions: For liquid media as per the compatibility table in the technical data appendix he accumulator safety blocks can be supplied with solenoid-operated relief valves if desired. Every body is equipped with the fittings required for retrofitting. When connected to large-volume accumulators the safety block can be ordered with a choke integrated into the bypass line. Easy order guide : R 10 E E N 300 E Y 1 Nominal size (NG) ball valve 6 = NG 6 10 = NG = NG 20 Connection thread pump () A = 8x1.5 light series (IO ) B = 30x2 light series (IO ) C = 2x1.5 heavy series (IO ) D = 36x2 heavy series (IO ) E = G 3 /8 (DIN EN IO 228-1) F = G 3 /4 (DIN EN IO 228-1) G = 3 /8-18 N (ANI/AE B ) = 3 /4-14 N (ANI/AE B ) J = other thread Connection thread tank ()) A = 8x1.5 light series (IO ) B = 30x2 llight series (IO ) C = 2x1.5 heavy series (IO ) D = 36x2 heavy series (IO ) E = G 3 /8 (DIN EN IO 228-1) F = G 3 /4 (DIN EN IO 228-1) G = 3 /8-18 N (ANI/AE B ) = 3 /4-14 N (ANI/AE B ) J = other thread Adapter fitting for accumulator () e.g. 500 = G 3 /4A (DIN EN IO 228 1) refer to table Body material 1 = teel 4 = other material ealing material (elastomer) 1 = NBR 2 = F 3 = ED 5 = other material Ball-bore = -shaped bore = -shaped bore ressure relief valve () N = without approval = with ÜV-approval X = Delivered without pressure limiter valve opening pressure 300 = e.g. 300 bar 000 = Delivered without pressure limiter valve Relief = manual E = manual and electromagnetic V = prepared for electromagnetical relief olenoid valve design X = Delivered without solenoid valve Y = open when de-energized Z = closed when de-energized olenoid valve voltage 0 = Delivered without solenoid valve 1 = 24 V DC 2 = 230 V DC 3 = other NG 6 = ump -version 500 bar = ank = Accumulator = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 8x1.5 assembly torque Nm V = 2-way olenoid manifold mounting drilling pattern IO (DIN A6) = andle Code 13 (8kt8) bore ,1 2 x 1,5 20 x 1,5 41 Fig. 1 Fig. 2 Fig. D 1 Connection- Adapter- 1 D 2 thread fitting (W) G 3 /4 A x 3 1 G 1 A x 3 G 1 1 /4 A x 3 G 2 A x 3 30 x 1, x x 1, x 3 50 x 1, x 3 90 Adapter fittings for accumulator 10,1 2 x 1, x 1,5 11 -bore

12 Accumulator safety blocks with integrated 3-way ball valve type R Accumulator safety blocks with integrated 3-way ball valve type R anual relief Additional electromagnetical relief anual relief Additional electromagnetical relief NG 10 -bore -bore NG 20 -bore -bore Adapter fittings for accumulator Adapter fittings for accumulator = ump -version 500 bar = ank = Accumulator = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 35x1.5 assembly torque Nm V = 2-way-solenoid valve manifold mounting drilling pattern IO (DIN A6) = andle Code 13 (8kt8) 10,1 2 x 1,5 Fig. 1 Fig x 1,5 10,1 2 x 1,5 Fig. D 1 Connection- Adapter- 1 D 2 thread fitting (W) G 3 /4 A x 3 1 G 1 A x 3 G 1 1 /4 A x 3 G 2 A x 3 30 x 1, x x 1, x 3 50 x 1, x 3 20 x 1,5 EV = ressure relief valve (selectively manualy electromagnetic) = ump -version 315 bar E-version 315 bar = ank = Accumulator = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 35x1.5 assembly torque Nm V = 2-way-solenoid valve manifold mounting drilling pattern IO (DIN A6) = andle Code 15 (8kt14) x 1,5 34 x 2 Fig. 1 Fig x 1,5 Fig. D 1 Connection- Adapter- 1 D 2 thread fitting (W) G 3 /4 A x 3 1 G 1 A x 3 G 1 1 /4 A x 3 G 2 A x 3 30 x 1, x x 1, x 3 50 x 1, x 3 34 x

13 Accumulator safety blocks with integrated 3-way ball valve type R echnical information manuelle anual Entlastung relief Accumulator safety blocks with integrated 3-way ball valve type R NG V he multifunctional accumulator safety block R from Roetelmann unites all advantages of the already known 2- and 3-way pressure accumulator blocks and does provide additional functions, as well. he operation of the R accumulator safety block now is extraordinary simple, but still safe, as it is effected by just one handle and a respective detent. he -bore avoids any pressure drop during the working position. he following functions are provided: - working position with a direct passage to the accumulator - total closing of all ports, the pressure is kept in the accumulator - relief of the accumulator to the tank - total of all ports for filling the system - depressurised circulation from the pump to the tank Resulting from this great variety of functions, additional valves and ball valves are not necessary and therefore can be saved. As this principle was not known until now, the multifunctional accumulator safety block has been patented respectively. Custom orders on request ocking device available Additional zusätzliche electromagnetical elektromagnetische relief Entlastung Easy order guide: R 10 C C N 250 E Y 1 Nominal size (NG) ball valve 10 = NG = NG 20 (on request) 32 = NG 32 (on request) Connection thread pump () A = 8x1.5 light series (IO ) B = 2x1.5 heavy series (IO ) C = G 3 /8 (DIN EN IO 228-1) D = 3 /8-18 N (ANI/AE B ) E = other thread Connection thread tank () A = 8x1.5 light series (IO ) B = 2x1.5 heavy series (IO ) C = G 3 /8 (DIN EN IO 228-1) D = 3 /8-18 N (ANI/AE B ) = other thread Adapter fitting for accumulator () e.g. 500 = G 3 /4A (DIN EN IO 228 1) refer to table Body material 1 = teel 4 = other material ealing material (elastomer) 1 = NBR 2 = F 3 = ED 5 = other material ressure relief valve () N = without approval = with ÜV-approval X = Delivered without pressure limiter valve opening pressure 250 = e.g. 250 bar 000 = Delivered without pressure limiter valve Relief = manual E = manual and electromagnetic V = prepared for electromagnetical relief olenoid valve design X = Delivered without solenoid valve Y = open when de-energized Z = closed when de-energized olenoid valve voltage 0 = Delivered without solenoid valve 1 = 24 V DC 2 = 230 V DC 3 = other Ă18 Ă = ump -version 400 bar = ank = Accumulator 1 = est gauge G 1 /4 (DIN EN IO 228-1) 2 = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 8x1.5 assembly torque Nm V = 2-way-solenoid valve cavity-thread 0x1.5 assembly torque Nm = andle Code 15 (8kt14) ,1 2 x 1,5 20 x 1,5 Fig. 1 Fig Adapter fittings for accumulator Fig. D 1 Connection- Adapter- 1 D 2 thread fitting (W) G 3 /4 A x 3 1 G 1 A x 3 G 1 1 /4 A x 3 G 2 A x 3 30 x 1, x x 1, x 3 50 x 1, x 3 10,1 2 x 1, x 1,

14 Accumulator safety blocks with integrated 3-way ball valve type R Accumulator safety blocks with integrated 3-way ball valve type R NG NG V V NEW! = ump -version 400 bar = ank = Accumulator 1 = est gauge G 1 /4 (DIN EN IO 228-1) 2 = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 35 x 1.5 assembly torque Nm V = 2-way-solenoid valve cavity-thread 0 x 1.5 assembly torque Nm = andle Code 23 (8kt19) Adapter fittings for accumulator = ump G-version 400 bar = ank Abb. 1 Abb. 2 = Accumulator Fig. 1 Fig. 2 1 = est gauge Fig. D 1 Connection- Adapter- 1 D 2 G 1 /4 (DIN EN IO 228-1) thread fitting (W) 2 1 G 1 1 /4 A x 3 G 2 A x x 1, x 3 50 x 1, x 3 NEW! = ressure gauge (closed) G 1 /4 (DIN EN IO 228-1) = ressure relief valve cavity-thread 35 x 1.5 assembly torque Nm V = 2-way-solenoid valve cavity-thread 0 x 1.5 assembly torque Nm = andle Code 23 (8kt19) Adapter fittings for accumulator Fig. D 1 Connection- Adapter- 1 D 2 thread fitting (W) 1 G 2 A x x 1, x

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