able E135obs/E Stainless steel valves for corrosive environments & water base fluids ex-proof solenoid valves, Multicertification EX, IEEx, E or ULUS certification UL certified valves are obsolete components - availability on request Ex-proof solenoid Valve body Solenoid plunger Spool / poppet Spring Manual override pin able entrance Handwheel manual override Manual reset DLHX(S)6-3/M/V P DLHMX(S)4-3/M/R DHX(S)4-0711/M New line of directional solenoid valves and pressure relief valves in stainless steel execution for corrosive environments. Ex-proof Stainless steel solenoids, with EX, IEEx, E Multicertification or ULUS North merican certification, for hazardous areas - see section 5, 6. wo executions are available: X stainless steel for external and internal parts, to withstand extreme and corrosive environmental conditions, and to ensure full compatibility also with water base and special fluids. XS stainless steel for external parts to withstand extreme and corrosive environmental conditions. Internal components are derived from standard valves. Directional valves are available in two basic versions: poppet type, 3-way leak free (suitable for accumulator systems) or spool type, 4-way on-off valves. DHX(S) and DLHX(S) valves are SIL compliance with IE 61508 (ÜV certified) - see section 1.1 1 SINLESS SEEL VLVES: MIN D Valve execution (1) X (5) DHX4 DLHX6 DLHX4 DLHMX4 DLHPX6 DLPX6 DLHPX DLPX R-MX-3 R-MX-6 R REX-20 HMPX-* S LIX-2531* LIMMX-2/* XS DHXS6 DHXS4 DLHXS6 DLHXS4 DLHMXS6 DLHMXS4 DLHPXS6 DLPXS6 DLHPXS DLPXS R-MXS-3 R-MXS-6 R REXS-20 HMPXS-* LIMMXS-2/* Description 4 way, spool type direct solenoid valves direct solenoid valves direct solenoid valves piloted solenoid valve piloted solenoid valve hydraulic operated valve hydraulic operated valve relief valve direct screw-in relief valve direct modular relief valve DIN cartridge (4) Voltages EX, IEEx ISO Input size D class (1) 50/60Hz Power Max flow l/min Dp (at max flow) bar see diagram at section Max pressure bar (3) no 6, 4 8 W (2) 12 W 220 11 315 no no no no 25 (ISO7368) 12 24 48 110 220 12 24 110 230 6, 4 4, 3 6, 4 4, 3 6, 4 4, 3 Notes: (1) XS6 and XS4 versions differ only for the coil power (see Input Power) - For EX, IEEx, E multicertification the temperature class 6, 4, 3 is related to the max ambient temperature, from which results the max solenoid surface temperature allowed in the application (see section 3). he reference ambient temperature is -40 +40 (+45 for X*6), for higher ambient temperature (-40 + ) the temperature class has to be degraded. For ULUS certification the temperature class is related to the coil power 12W or 33 W Special execution for ambient temperature -60 (option /) available on request (2) For ULUS certification the temperature class corresponding to the coil power 12W is not reported in the nameplate marking. For coil power 33W the temperature class is 4. (3) Max pressure on port = 110 bar (4) Optional electrohydraulic venting available on request. (5)he X valves in full stainless steel execution are factory tested by tos with mineral oil or pure water in order to avoid the contamination of the end user system. t the end of each valve model code must be specified the type of fluid to be used in the valve s testing: H for hydraulic oil or W for pure water. - 8 W 25 W 8 W 25 W 8 W 25 W - ULUS class (1) (2) 4 (2) 4 (2) 4 - Input Power 12 W 33 W 12 W 33 W 12 W 33 W - 60 10 12 25 30 6, 4 8 W 12 W 40 40 220 2,5 40 (60 PED) 120 (150 PED) 40 400 30 35 6 350 315 350 250 315 315 315 315 420 500 400 350 350 mbient temperature: Valves are provided by HNR seals, which allow min ambient temperature down to -40 (max oil viscosity = 380 cst). he min ambient temperature for valves with /PE option (FKM seals) is -20 Max ambient temperature for valves without solenoids is. 1.1 SIL compliance with IE 61508: 2010 DHX(S), DLHX(S) meets the requirements of: - S3 (systematic capability) - max SIL 2 (HF = 0 if the hydraulic system does not provide the redundancy for the specific safety function where the component is applied) - max SIL 3 (HF = 1 if the hydraulic system provides the redundancy for the specific safety function where the component is applied) E135obs
2 MERILS SPEIFIION DLHX(S) DLHMX(S) ISI 630 ISI 316L internal parts for X execution + internal parts for XS execution + solenoid housing valve body spring Valve type seals std /PE DHX(S) ISI 630 ISI 316L ISI 316L, 420, 440, 430F arbon steel ISI 302 HNR (buna) FKM (viton) ISI 316L, 420, 440, 430F arbon steel DLHPX(S) ISI 630 ISI 630 ISI 316L, 420, 440, 430F arbon steel ISI 302 DLHPX(S) ISI 630 ISI 420 arbon steel ISI 302 DLPX(S) ISI 630 ISI 630 ISI 316L, 420, 440, 430F arbon steel ISI 302 HNR (buna) FKM (viton) HNR (buna) FKM (viton) HNR (buna) FKM (viton) HNR (buna) FKM (viton) DLPX(S) R-*X(S) HMPX(S) LIMMX(S) ISI 630 ISI 316L ISI 316L ISI 316L ISI 420 ISI 316L, 420, 630 ISI 316L, 420, 630 ISI 316L, 420, 630 arbon steel arbon steel arbon steel arbon steel ISI 302 ISI 302 ISI 302 ISI 302 HNR (buna) FKM (viton) HNR (buna) FKM (viton) HNR (buna) FKM (viton) HNR (buna) FKM (viton) S LIX ISI 316L ISI 630, ISI 420 - ISI 302 HNR (buna) FKM (viton) ISI 302 3 EX-PROOF SOLENOIDS: MIN D VLVE YPE DHXS6 DLHX6 DLHXS6 DLPXS6 DLHMXS6 DLHPXS6 DLPX6 DLHPX6 DHX4 DHXS4 DLHMX4 DLHX4 DLHXS4 DLHMXS4 Solenoid Multicertification OX/WP, OXS/WP OKX/WP, OKXS/WP code ULUS OULX/WP, OULXS/WP OKULX/WP, OKULXS/WP Voltage VD ±10% 12D, 24D, 48D (1), 110D, 220D code V 50/60 Hz ±10% 12, 24, 110-120, 230-240 Power Multicertification 8W 25W consumption ULUS 12W 33W oil insulation lass H Protection degree IP /67 ccording to IE 144 when correctly coupled with the relevant cable gland PXM/M Duty factor Mechanical construction 100% Flame proof housing classified Ex d, according to EN 60079-0: 20, EN 6079-1: 2007 able entrance and electrical wiring Internal terminal board for cable connection threaded connection for cable entrance vertical (standard) or Horizontal (option /O) Metod of protection Ex d emperature class Multicertification 6 ( 85 ) 4 ( 135 ) 4 ( 135 ) 3 ( 200 ) (surface temperature) ULUS Not applicable 4 ( 135 ) mbient temperature Multicertification -40 +45-40 + -40 +40-40 + ULUS -40 + Notes: (1) 48D only for Multicertification For alternating current supply a rectifier bridge is integrated in the solenoid 4 MIN HRERISIS, SELS ND HYDRULI FLUIDS - for other fluids not included in below table, consult our technical office ssembly position / location ny position for all valves Subplate surface finishing Roughness index Ra 0,4 - flatness ratio 0,01/100 (ISO 1101) Seals, recommended fluid temperature HNR seals (standard) = -40 +60, with HF hydraulic fluids = -40 +50 FKM seals (/PE option) = -20 +80 Recommended viscosity 15 100 mm 2 /s - max allowed range 2.8 500 mm 2 /s Fluid contamination class ISO 44 class 21/19/16 NS 1638 class 10, in line filters of 25 mm (b10 _>75 recommended) Hydraulic fluid Suitable seals type lassification Ref. Standard Mineral oils Flame resistant without water Flame resistant with water HNR, FKM FKM HNR HL, HLP, HLPD, HVLP, HVLPD HFDU, HFDR HF DIN 51524 ISO 12922 5 ULUS ERIFIION ULUS marking lass I = Equipment for famable gas and vapours Division 1 = Possibility of explosive atmosphere during normal functioning Groups &D = Gas group (according to UL 1002) Groups II&II = Gas group (according to NE 505-7) 4 = emperature class of solenoid surface referred to + ambient temperature EXMPLE OF NMEPLE MRKING Notified body and certificate Marking according to UL Directive
6 MULIERIFIION EX, IEEx, E In the following are resumed the valves marking according to multicertifications for Group II and Group I (mining) GROUP II, EX, marking II 2 G = Solenoid for surface plants with gas and vapors environment, category 2, suitable for zone 1 and zone 2 Ex d = Explosion-proof equipment II = Equipment of group II suitable for substances (gas) of group II 6/4 = Solenoid temperature class (maximum surface temperature) Gb = Equipment protection level, high level protection for explosive Gas atmospheres = Mark of conformity to the applicable European directives II 2 D = Solenoid for surface plants with dust environment, category 2, suitable for zone 21 and zone 22 Ex d = Explosion-proof equipment III = Suitable for conductive dust (applicable also III and/or III) IP/67 = Protection degree 85/135 = Maximum surface temperature (Dust) Db = Equipment protection level, high level protection for explosive Dust atmospheres = Mark of conformity to the 94/9/E directive and to the technical norms GROUP II, IEEx marking Ex d = Explosion-proof equipment II = Equipment of group II suitable for substances (gas) of group II 6/4 = Solenoid temperature classes (Gas) Gb = Equipment protection level, high level protection for explosive Gas atmospheres Ex tb = Equipment protection by enclosure tb III = Suitable for conductive dust (applicable also III and/or III) 85 /135 = Maximum surface temperature (Dust) Db = Equipment protection level, high level protection for explosive Dust atmospheres IP/67 = Protection degree tex notified body and certificate Marking according to EX Directive IEEx notified body and certificate Marking according to IEEx Directive E notified body and certificate Marking according to EX Directive EXMPLE OF NMEPLE MRKING 6.1 E marking E (Eursian certification) acknowledges the whole EX Directive 94/9/E. his certification is available only for gas environment (not for dust). II 2 G = Solenoid for surface plants with gas and vapors environment, category 2, suitable for zone 1 and zone 2 Ex d = Explosion-proof equipment II = Equipment of group II suitable for substances (gas) of group II 6/4 = Solenoid temperature class (maximum surface temperature) = Mark of conformity to the 94/9/E directive and to the technical norms 7 SPOOL YPE DIREIONL SOLENOID VLVES: MODEL ODE Size: 0 = DH X 4 * - 0 63 1/2 / M / V 24D ** / * spool type - direct X = Stainless steel execution for all parts XS = Stainless steel execution for external parts emperature class, see section 1 4 = 4 6 = 6 (only for XS execution ) ertification type - = omit for Multicertification /UL = ULUS with 1 m cables lenght, factory wired Valve configuration, see section 7.1 61, 63, 71, 75 (configurations 63 and 75 are available only with spool type 1/2) Spool type, see section 4.2 Series Voltage code - see section 3 Options: = solenoid at side of port V = with handweel manual override O = horizontal cable entrance / * Seals material, see section 4: - = HNR Solenoid threated connection for cable gland: M = M20x1,5 UNI-4535 (6H/6g) for Multicertification NP = 1/2 NP NSI 2.1 (tapered) for /UL est fluid, only for X esecution: 7.1 Hydraulic configuration 1 0 onfigurations Spools onfigurations -1* -1*/ 0 2 1 0 2 1 0 2 1 2 1 2-3* -3*/ Spools 1 0 2 1 0 2-071* 0 1 6 7-075 1 2 1/2 3 E135obs
8 POPPE YPE LEK FREE DIREIONL SOLENOID VLVES: MODEL ODE DLH X 6 * - 3 / M / V 24D ** / * / * DLH = direct (10 l/min) DLHM = direct (25 l/min) DLHP = hydraulic operated DLHP = solenoid piloted DLP = hydraulic operated DLP = solenoid piloted X = Stainless steel execution for all parts XS = Stainless steel execution for external parts Series Voltage code - see section 3 est fluid, only for X esecution: Seals material,see section 4: - = HNR emperature class (not for DLHP and DLP) see sect. 1 4 = 4 6 = 6 ertification type - = omit for Multicertification /UL= ULUS with 1 m cables lenght, factory wired 3 = three way Valve configuration, see section 8.1 = () to in rest position = P to () in rest position Options: (not for DLHP, DLP) R = solenoid manual reset (not combinable with /V) V = handweel manual override (not combinable with /R) O = Horizontal cable entrance Only for DLP D = internal drain E = external pilot pressure Solenoid threated connection for cable gland: M = M20x1,5 UNI-4535 (6H/6g) for Multicertification NP = 1/2 NP NSI 2.1 (tapered) for /UL 8.1 Hydraulic configuration DLHX(S)*-3* DLHX(S)*-3* DLHMX(S)*-3* DLHMX(S)*-3 DLHPX(S)*-3 DLHPX(S)*-3 P P P P P X P X DLHPX(S)-3 DLHPX(S)-3 DLPX(S)6-3 DLPX(S)6-3 DLPX(S)-3 DLPX(S)-3 P X P X P X Y P X Y P X P X 9 PRESSURE ONROL VLVES: MODEL ODE 9.1 Screw-in type R MX-3 / 350 / * / * ** / * / * Screw-in relief cartridge See note (1): MX(S)-3 = G1/2 MX(S)-6 = M33x1,5 REX(S)-20 =M35x1,5 Pressure range: see hydraulic characteristics in table below Series Seals material, see section 4: - = HNR Only for PED * = factory preset regulation to be defined depending to the customer requirements min step: 1bar - min pressure setting: 25 bar (example 280 = 280 bar) Options PED = reduced leakages and certified according to 2014/68/UE est fluid, only for X esecution: (1): X = Stainless steel execution for all parts XS = Stainless steel execution for external parts Hydraulic characteristics Valve model R MX(S)-3 R MX(S)-3 /PED R MX(S)-6 R MX(S)-6 /PED R REX(S)-20 Max pressure /50 /100 /210 /50 /100 /50 /100 /210 /100 /210 /50 /100 /210 setting [bar] /350 /420 /210 /350 /350 /420 /350 /315 /400 Pressure range [bar] (1) Max flow [l/min] 2 50 6 100 7 210 8 350 15 420 25 50 25 100 25 210 25 350 2 50 3 100 8 210 15 350 15 420 2,5 2,5 40 60 120 150 (1) he values correspond to the min and max regulation of the valve s craking pressure. R REX(S)-20 /PED /100 /210 /315 /400 25 100 100 210 3 50 5 100 6 210 25 100 100 210 210 350 8 315 10 400 210 315 315 400
9.2 Modular type HMP X - 011 / 350 ** / * / * Modular pressure relief valve ISO 4401 size X = Stainless steel execution for all parts XS = Stainless steel execution for external parts Series Seals material, see section 4: - = HNR est fluid, only for X esecution: onfiguration, see section 9.5 011 013 014 Pressure range for HMP: 50 =50 bar 100 =100 bar 210 =210 bar 350 =350 bar 9.3 ontrol cover over according to ISO 7368 X = Stainless steel execution for all parts XS = Stainless steel execution for external parts Size: 2 = 25 LIMM X - 2 / 350 ** / * 9.4 Standard cartridge valve to be coupled with LIMMX(S) cover Pressure range 50 = 6 50 bar 100= 8 100 bar Series Seals material, see section 4: - = HNR 210= 10 210 bar 350= 15 350 bar S LI X - 25 31 / 2 ** / * / * est fluid, only for X esecution: / * artridge according to ISO 7368 X= Stainless steel execution for all parts Series Seals material, see section 4: - = HNR est fluid, only for X esecution: Size 25 rea ratio 1 1 Spring cracking pressure 1 = 0,3 bar 2 = 1,2 bar 3 = 3 bar 6 = 6 bar Note: for LIMMXS cover, the standard SLI-25* cartridge can be used 9.5 Hydraulic configuration R-*X(S) HMPX(S)-011/* P1 1 1 1 HMPX(S)-013/* P1 1 1 1 HMPX(S)-014/* P1 1 1 1 LIMMX(S)-2/* P F X Y P P P S LIX-2531* 10 LE GLNDS ND WIRING 10.1 able glands - only for Multicertification able glands with threaded connections M20x1,5 for standard or armoured cables have to be ordered separately, see tech. table K600 10.2 erminal board and solenoid wiring erminal board for Multicertification 1 = oil 2 = GND 3 = oil P 3 poles terminal board suitable for wires cross sections up to 2,5 mm 2 (max WG14) Solenoid wiring ULUS certification oil GND oil white green black D red = + green black = - Wire VLV2 UL Listed WG16, 120 /300 V 10.3 Wiring specifications Power supply: section of coil connection wires = 2,5 mm 2 for Multicertification 1,2 mm 2 for ULUS certification Grounding: section of internal ground wire = 2,5 mm 2 for Multicertification 1,2 mm 2 for ULUS certification Only for Multicertification the additional equipotential grounding can be also performed by the user on the external facility provided on the solenoid case. Section of external ground wire = 4 mm 2 For Multicertification the cable must be suitable for the working temperature as specified in the safety instructions delivered with the first supply of the products. Max ambient temperature [ ] emperature class Surface temperature [ ] able temperature 45 6 85 not prescribed 4 135 90 E135obs
11 Q/Dp DIGRMS (based on mineral oil ISO VG at 50 ) DHX(S) DLHX(S) DLHMX(S) valve pressure drop [bar] valve pressure drop [bar] valve pressure drop [bar] F E D DHX(S) Flow direction DLPX(S) SLIX-2531* P P P Spool type 0 - P- Differential pressure [bar] 1, 1/2 3 6 7 Flow direction P Valve type (P ) ( ) DLHX(S)-3 DLHX(S)-3 DLHMX(S)-3 F E DLHMX(S)-3 E D 12 OPERING LIMIS OF ON/OFF DIREIONL ONROLS (based on mineral oil ISO VG at 50 ) he diagram have been obtained with warm solenoids and power supply at lowest value (Vnom-10%). For DHX(S) valves the curves refer to application with symmetrical flow through the valve (i.e. P and ). In case of asymmetric flow the operating limits must be reduced. DHX(S)4 DHX(S)6 DLHX(S)4 D DHX4 = Spools 0,1 = Spools 1/2, 3, 6, 7 DHXS4 = Spools 0,1 D = Spools 1/2, 3, 6, 7 = Spools 0,1 = Spools 1/2, 3, 6, 7 DLHX4 = Spool 3 = Spool 3 DLHXS4 = Spools 3, 3 DLHMX(S)* DLHMX(S)6 DLPX(S)6 and DLPX(S) E D D E D minimum piloting pressure DLHMX4 = Spool 3 = Spool 3 DLHMXS4 = Spool 3 D = Spool 3 DLHMXS6 E = Spool 3, 3 DLHX6 = Spool 3 = Spool 3 DLHXS6 = Spool 3 D = Spool 3 Piloting pressure [bar] 12.1 Internal leakages for DLHX(S), DLHMX(S), DLHPX(S), DLHPX(S), DLPX(S) and DLPX(S): less than 5 drops/min (0,36 cm 3 /min) at max pressure. 12.2 Piloting pressure for DLHPX(S) and DLHPX(S) max piloting pressure = 315 bar; min piloting pressure = 90 bar for DLPX(S) and DLPX(S) max piloting pressure = 315 bar; min piloting pressure = see above diagram
13 REGULED PRESSURE VERSUS FLOW DIGRM of screw-in cartridge valves (based on mineral oil ISO VG at 50 ) R MX(S)-3 R MX(S)-6 R REX(S)-20 Min. regulated pressure Min. regulated pressure Min. regulated pressure R MX(S)-3 **/PED R MX(S)-6 **/PED R REX(S)-20 **/PED PERMIED WORKING RNGES of screw-in cartridge valves with PED option (shared area) R MX(S)-3 **/PED R MX(S)-6 **/PED 14 R REX(S)-20 **/PED 14.1 Regulated pressure for modular valves HMPX(S)-* Min. regulated pressure Regulated pressure at port P [bar] E135obs
15 INSLLION DIMENSIONS OF DHX(S) [mm] horizontal cable entrance option /O 115 31.75 0.75 ø5.5 40.5 30.2 12.7 5.1 15.5 25.9 31 ISO 4401: 2005 Mounting surface: 4401-03-02-0-05 Fastening bolts: 4 socket head screws M5x50-4- ightening torque = 5,5 Nm Seals: 4 OR 108 Ports P,,,: Ø = 7.5 mm (max). P = PRESSURE POR, = USE POR = NK POR DHX(S)**-* DHX(S)**-*/V 111 Mass: 2,9 kg 11 150 Mass: 3 kg 11 DHX(S)**-07* DHX(S)**-07*/V 111 Mass: 4,6 kg 111 150 Mass: 4,8 kg 150 Factory wired cables for UL certification (see section 10 for solenoid wiring) 16 INSLLION DIMENSIONS OF DLHX(S) ND DLHMX(S) [mm] horizontal cable entrance option /O 113.5 31.75 0.75 ø5.5 40.5 30.2 12.7 5.1 15.5 25.9 31 ISO 4401: 2005 Mounting surface: 4401-03-02-0-05 Fastening bolts: 4 socket head screws M5x50-4- ightening torque = 5,5 Nm Seals: 4 OR 108 Ports P,,,: Ø = 7.5 mm (max). P = PRESSURE POR, = USE POR = NK POR DLHX(S)*-3/M/V DLHX(S)*-3/M 150 Mass: 3 kg 111 Mass: 2,9 kg DLHMX(S)*-3/M/R DLHMX(S)*-3/M 96.5 156 12.5 Mass: 3,8 kg 12.5 111 Mass: 2,9 kg Factory wired cables for UL certification (see section 10 for solenoid wiring)
17 INSLLION DIMENSIONS OF DLHPX(S) ND DLHPX(S) [mm] ISO 4401: 2005 Mounting surface: 4401-03-02-0-05 Fastening bolts: 4 socket head screws M5x75-4- ightening torque = 5,5 Nm Seals: 4 OR 108 Ports P,,,: Ø = 7.5 mm (max). DLHPX(S)-3 31.75 0.75 ø5.5 5.1 15.5 12.7 30.2 40.5 22 25.9 31 P = PRESSURE POR = USE POR = not present = NK POR X = PILO POR DLHPX(S)-3 18 INSLLION DIMENSIONS OF DLPX(S) ND DLPX(S) [mm] Mounting surface DLPX(S)6 and DLPX(S) not ISO standard Fastening bolts: 4 socket head screws M10x-4- ightening torque = 40 Nm Seals: 3 OR 3081; 2 OR 108 Ports P,,: Ø = 16 mm (max) Ports X, Y: Ø = 7 mm (max) 50 25 9 105 P 35 40 61 80 12.5 14 DLPX(S)6-3/M DLPX(S)6-3/M (dotted line) DLPX(S)-3 22 85 105 25 215 88 50 105 25 180 option /O option /V DLPX(S)-3 88 181 22 153 153 50 75 25 3.5 22 17.5 45 17.5 22 3.5 109 Mass: 5 kg 109 DLHPX(S)-3 DLHPX(S)-3 118.5 137 17.5 109.3 45 109.3 22 192.8 200.8 3.5 Factory wired cables for UL certification (see section 10 for solenoid wiring) 115 25 105 50 180 Mass: 5 kg Factory wired cables for UL certification (see section 10 for solenoid wiring) 125 E135obs
19 INSLLION DIMENSIONS OF SREW IN PRESSURE RELIEF VLVES [mm] R MX(S)-3/* R MX(S)-6/* R REX(S)-20 20 dotted line only for option /PED 20 43 dotted line only for option /PED 79.3 20 51 dotted line only for option /PED 42.5 55 Nm 140 Nm 60 Nm ø26 ø26 Note: for cavity dimensions see table 010 section 11 ø38.2 20 INSLLION DIMENSIONS OF MODULR ND RRIDGE VLVES ISO 4401: 2005 Mounting surface: 4401-03-02-0-05 Fastening bolts: M5x**-4- ightening torque = 5,5 Nm Seals: 4 OR 108 Ports P,,,: Ø = 7.5 mm (max) HMPX(S)-011/* LIMMX(S)-2/* Mass: 1,4 kg Mass: 2,2 kg over interface dimensions for LIMMX(S)-2 HMPX(S)-013/* Mass: 1,2 kg Recess dimensions for S LIX-25 HMPX(S)-014/* Mass: 1,2 kg 05/17