Stainless steel valves for corrosive environments & water base fluids

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1 Table E135-10/E Stainless steel valves for corrosive environments & water base fluids explosion-proof soleid valves, with tex, IEEx or UL US certification and pressure relief valves LOHX(S)6-3/M-O/V Ex-proof soleid Valve body Soleid plunger Spool / poppet Spring Manual override pin able entrance Handwheel manual override Manual reset 1 STINLESS STEEL VLVES: MIN T P LOKX(S)4-3/M-O/R HX(S)4-0711/M New line of directional soleid valves and pressure relief valves in stainless steel execution for corrosive environments. Stainless steel soleids, ex-proof tex, IEEx or UL US, for hazardous areas -see section. Two 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. irectional 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. Explosion proof soleids with: -TEX 94/9/E certification, protection mode Ex II 2G, Ex d II T6//T3, Ex t 21 IP67 -IEEx worldwide recognized safety certification, Ex d II T6//T3, Ex t 21 IP67 - UL US certification, according to UL 1002 and S 22.2 n class I Group & (Group II & II to NE 505-7) HX and LOHX valves conform to SIL 3 safety level (TÜV approved). Valve execution (1) X XS Voltages TEX, IEEx escription ISO size T class (1) Input 50/60Hz Standard Option /7 Power UL US T class (1) Input Power Max flow l/min Δp Max pressure (at max flow) bar (3) bar HX4 LOHX6-O LOHX4-O LOKX4-O LOPX6-O HXS6 HXS4 LOHXS6-O LOHXS4-O LOKXS6-O LOKXS4-O LOPXS6-O 4 way, spool type 06 direct soleid valves (ISO 4401) 3 way, poppet type, 06 direct soleid valves (ISO 4401) 3 way, poppet type, 06 direct soleid valves (ISO 4401) 3 way, poppet type, piloted soleid valve T6 T6 T6 T6 T3 T3 T3 8 W 25 W 8 W 25 W 8 W 25 W 8 W (2) (2) (2) (2) 12 W 33 W 12 W 33 W 12 W 33 W 12 W see diagram at section LPX RT-MX-3 RT-MX-6 RT REX-20 HMPX-* S LIX-2531* LIMMX-2/* 2 MTERILS SPEIFITION Valve type LPXS RT-MXS-3 RT-MXS-6 RT REXS-20 HMPXS-* LIMMXS-2/* soleid housing 3 way, poppet type, hydraulic operated valve relief valve direct screw-in relief valve direct modular relief valve IN cartridge (4) valve body 06 (ISO 4401) 25 (ISO 7368) Notes: (1) XS6 and XS4 versions differ only for the coil power (see Input Power) - For TEX, IEEx certification the certified temperature class T6,, T3 is related to the max ambient temperature, from which results the max soleid surface temperature allowed in the application (see section ). The reference ambient temperature is (+45 for X*6), for higher ambient temperature ( ) the temperature class has to be degraded (option /7). For UL US certification the temperature class is related to the coil power 12W or 33 W (2) For UL US certification the temperature class corresponding to the coil power 12W is t reported in the nameplate marking. For coil power 33W the temperature class is. (3) Max pressure on T port = 110 bar (4) Optional electrohydraulic venting available on request. Valves are provided by HNR seals, which allow min ambient temperature down to -40 (max oil viscosity = 380 cst). The min ambient temperature for valves with /PE option (FPM seals) is -20 Max ambient temperature for valves without soleids is 70. internal parts for X execution + internal parts for XS execution + HX(S) ISI 630 ISI 316L ISI 316L, 420, 440, 430F arbon steel ISI 302 HNR (buna) FPM (viton) LOHX(S) LOKX(S) LOPX(S) LPX(S) RT-*X(S) HMPX(S) LIMMX(S) ISI 630 ISI 630 ISI 316L ISI 630 ISI 630 ISI 316L ISI 316L ISI 316L ISI 316L, 420, 440, 430F ISI 316L, 420, 440, 430F ISI 420 ISI 316L, 420, 630 ISI 316L, 420, 630 ISI 316L, 420, 630 arbon steel arbon steel arbon steel arbon steel arbon steel arbon steel ISI 302 ISI 302 ISI 302 ISI 302 ISI 302 ISI 302 HNR (buna) FPM (viton) HNR (buna) FPM (viton) HNR (buna) FPM (viton) HNR (buna) FPM (viton) HNR (buna) FPM (viton) HNR (buna) FPM (viton) S LIX ISI 316L ISI 630, ISI ISI 302 HNR (buna) FPM (viton) 220 2,5 40 (60 PE) 120 (150 PE) spring std seals /PE E135

2 3 EXPLOSION PROOF SOLENOIS: MIN T VLVE TYPE TEX OX/WP OKX/WP Soleid code IEEx OIX/WP OIKX/WP UL US OXUL/WP OKXUL/WP Voltage V ±10% 12, 24, 48 (1), 110, 220 code V 50/60 Hz ±10% 12, 24, 110, 230 Power TEX, IEEx 8W 25W consumption UL US 12W 33W oil insulation lass H Protection degree IP 67 ccording to IE 144 when correctly coupled with the relevant cable gland SP-PX19*, see section 17 uty factor 100% Mechanical construction Flame proof housing classified Ex d, according to EN : 2006, EN : 2007 able entrance and Internal terminal board for cable connection electrical wiring threaded connection M20x1,5 for cable entrance, vertical (standard) or Horizontal (option /O) See section 17 for cable gland Metod of protection Temperature class (surface temperature) mbient temperature TEX, IEEx UL US HXS6 LOHX(S)6 LOKXS6 LOPX(S)6 Ex d T6 ( 85 ) ( 135 ) option /7 ( 135 ) T3 ( 200 ) option /7 Not applicable TEX, IEEx UL US Notes: (1) 48 only for TEX, IEEx For alternating current supply a rectifier bridge is integrated in the soleid HX(S)4 LOHX(S)4 LOKX(S)4 ( 135 ) 3.1 ERTIFITIONS In the following are resumed the valves marking according to TEX Group II, IEEx Group II and UL US certifications. TEX, Group II = TEX identification for explosive atmospheres equipments II = Group II for surfaces plants 2 = High protection (equipment category) G = For gas, vapours and dust Ex d = Flame proof housing II = Gas group T6//T3 = Temperature class of soleid surface 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) b = Equipment protection level, high level protection for explosive ust atmospheres IP67 = Protection degree Zone 1 (gas) and 21 (dust) = Possibility of explosive atmosphere during rmal functioning Zone 2 (gas) and 22 (dust) = Low probability of explosive atmosphere EXMPLE OF NMEPLTE MRKING Notified body and certificate number Marking according to tex irective IEEx, Group II Ex d = Equipment for explosive atmospheres, flame proof housing II = Gas group T6//T3 = Temperature class of soleid surface Ex tb = ust igniction protection III = Suitable for conductive dust (applicable also III and/or III) b = Equipment protection level, high level protection for explosive ust atmospheres IP67= Protection degree EXMPLE OF NMEPLTE MRKING Notified body and certificate number Marking according to IEEx irective UL US certification lass I = Equipment for famable gas and vapours ivision 1 = Possibility of explosive atmosphere during rmal functioning Groups & = Gas group (according to UL 1002) Groups II&II = Gas group (according to NE 505-7) = Temperature class of soleid surface referred to +70 ambient temperature EXMPLE OF NMEPLTE MRKING Notified body and certificate number Marking according to UL irective

3 4 SPOOL TYPE IRETIONL SOLENOI VLVES: MOEL OE H X 4 * /2 / P - M / V 24 ** /* Spool type, direct X = Stainless steel execution for all parts XS = Stainless steel execution for external parts Temperature class, see section 4 = 6 = T6 (only for XS execution ) ertification type - (omit for TEX ) /IE = Group II IEEx /UL = UL US with 1 m cables lenght, factory wired Size: 0 = 06 Valve configuration, see section , 63, 71, 75 (configurations 63 and 75 are available only with spool type 1/2) Spool type, see section 4.2 Series number Voltage code - see section Options: = soleid at side of port V = with handweel manual override 7 = for ambient temperature up to 70 (only for tex and IEEx) O = horizontal cable entrance Soleid threated connection: M = M20x1,5 UNI-4535 (6H/6g) NPT = 1/2 NPT NSI 2.1 (tapered) only for /UL Optional cable gland: P = with threaded cable gland, see section 17 omit for NR (mineral oil 4.1 Hydraulic configuration onfiguration for H Spools for H onfiguration for H Spools for H -061* * 1 2 1/ */ */ * POPPET TYPE LEK FREE IRETIONL SOLENOI VLVES: MOEL OE LOH X 6-3 / P - M O / V 24 ** /* LOH - LOK = poppet type, direct LOP = poppet type, electro-hydraulic piloted LP = as LOP but hydraulically piloted X = Stainless steel execution for all parts XS = Stainless steel execution for external parts Temperature class (t for LP*), see section 4 = (only for LOH* and LOK*) 6 = T6 (t for LOKX) 3 = three way Valve configuration, see section 5.1 = to T in rest position = P to in rest position Optional cable gland: P = with threaded cable gland, see section Series number Voltage code - see section Options: (t for LPX) R = with soleid manual reset V = with handweel manual override 7 = for ambient temperature up to 70 (only for tex and IEEx) O = Horizontal cable entrance Only for LOPXS = internal drain E = external pilot pressure ertification type: O = Group II, tex O/IE = Group II, IEEx O/UL = UL US with 1 m cables lenght, factory wired Soleid threated connection: M = M20x1,5 UNI-4535 (6H/6g) - NPT = 1/2 NPT NSI 2.1 (tapered) only for /UL 17 omit for NR (mineral oil 5.1 Hydraulic configuration LOHX(S)*-3/M-O/V LOHX(S)*-3/M-O LOKX(S)*-3/M-O/R LOKX(S)*-3/M-O P T P T P T P T LOPX(S)6-3/M-O LOPX(S)6-3/M-O LPX(S)-3 LPX(S)-3 P T X Y P T X Y P T X P T X E135

4 6 PRESSURE ONTROL VLVES: MOEL OE 6.1 Screw-in type RT MX-3 / 350 Screw-in relief cartridge See te (1): MX(S)-3 = G1/2 MX(S)-6 = M33x1,5 REX(S)-20 =M35x1,5 Pressure range: see hydraulic characteristics in table below (1): X= Stainless steel execution for all parts XS=Stainless steel execution for external parts / * / * ** / * Series number Only for PE * = factory preset regulation to be defined depending to the customer requirements (example 280 = 280 bar) Options PE = reduced leakages and certified according to 97/23/E omit for NR (mineral oil Hydraulic characteristics Valve model RT MX(S)-3 RT MX(S)-3 /PE RT MX(S)-6 RT MX(S)-6 /PE RT REX(S)-20 Max pressure setting [bar] Pressure range [bar] (1) Max flow [l/min] /50 /100 /210 /50 /100 /210 /50 /100 /210 /50 /100 /210 /350 /420 /350 /420 /350 /420 /350 / (1) The values correspond to the min and max regulation of the valve s craking pressure. RT REX(S)-20 /PE /100 /210 /100 /210 /315 /400 /315 / ,5 2, Modular type HMP X / 350 Modular pressure relief valve ISO 4401 size 06 X= Stainless steel execution for all parts XS= Stainless steel execution for external parts ** / * Series number omit for NR (mineral oil onfiguration, see section , 013, 014 Pressure rangefor HMP: 50 =50 bar 100 = 100 bar 210 = 210 bar 350 = 350 bar 6.3 ontrol cover over according to ISO 7368 LIMM X - 2 / 350 ** / * omit for NR (mineral oil X= Stainless steel execution for all parts XS= Stainless steel execution for external parts Size: 2 = 25 Pressure range 50 = 6 50 bar 100 = bar Series number 210 = bar 350 = bar 6.4 Standard cartridge valve to be coupled with LIMMX(S) cover 25 S LI X - 31 / 2 artridge according to ISO 7368 X= Stainless steel execution for all parts ** / * Series number omit for NR (mineral oil Size 25 rea ratio 1 1 Note: for LIMMXS cover, the standard SLI-25* cartridge can be used Spring cracking pressure 1 = 0,3 bar 2 = 1,2 bar 3 = 3 bar 6 = 6 bar 6.5 Hydraulic configuration RT-*X(S) HMPX(S)-011/* P1 1 1 T1 HMPX(S)-013/* P1 1 1 T1 HMPX(S)-014/* P1 1 1 T1 LIMMX(S)-2/* P T F X Y P T P T P T S LIX-2531*

5 7 Q/Δp IGRMS (based on mineral oil ISO VG 46 at 50 ) HX(S) LOHX(S) LOKX(S) valve pressure drop [bar] valve pressure drop [bar] valve pressure drop [bar] F E HX(S) Flow direction LOPX(S) SLIX-2531* Spool type P P T T P T 0 -T P- ifferential pressure [bar] 1, 1/ Flow direction P T Valve type (P ) ( T) LOHX(S)-3 LOHX(S)-3 LOKX(S)-3 F E LOKX(S)-3 E 8 OPERTING LIMITS OF ON/OFF IRETIONL ONTROLS (based on mineral oil ISO VG 46 at 50 ) The diagram have been obtained with warm soleids and power supply at lowest value (Vm-10%). For HX(S) valves the curves refer to application with symmetrical flow through the valve (i.e. P and T). In case of asymmetric flow the operating limits must be reduced. HX(S)4 HX(S)6 LOHX(S)4 HX4 = Spools 0,1 = Spools 1/2, 3, 6, 7 HXS4 = Spools 0,1 = Spools 1/2, 3, 6, 7 = Spools 0,1 = Spools 1/2, 3, 6, 7 LOHX4 = Spool 3 = Spool 3 LOHXS4 = Spools 3, 3 LOKX(S)* LOHX(S)6 LOPX(S)6 and LPX(S) E E minimum piloting pressure LOKX4 = Spool 3 = Spool 3 LOKXS4 = Spool 3 = Spool 3 LOKXS6 E = Spool 3, 3 LOHX6 = Spool 3 = Spool 3 LOHXS6 = Spool 3 = Spool 3 Piloting pressure [bar] 8.1 Internal leakages internal leakage of LOHX(S), LOKX(S), LOPX(S) and LPX(S): less than 5 drops/min (0,36 cm 3 /min) at max pressure. 8.2 Piloting pressure for LOPX(S) and LPX(S)) max piloting pressure = 315 bar; min piloting pressure = see diagram E135

6 9 REGULTE PRESSURE VERSUS FLOW IGRM of screw-in cartridge valves (based on mineral oil ISO VG 46 at 50 ) RT MX(S)-3 RT MX(S)-6 RT REX(S)-20 Min. regulated pressure Min. regulated pressure Min. regulated pressure RT MX(S)-3 **/PE RT MX(S)-6 **/PE RT REX(S)-20 **/PE PERMITTE WORKING RNGES of screw-in cartridge valves with PEoption (shared area) RT MX(S)-3 **/PE RT MX(S)-6 **/PE 10 RT REX(S)-20 **/PE 10.1 Regulated pressure for modular valves HMPX(S)-* Min. regulated pressure Regulated pressure at port P [bar]

7 11 INSTLLTION IMENSIONS OF HX(S) [mm] horizontalcableentrance option /O ISO 4401: 2005 Mounting surface: Fastening bolts: 4 socket head screws M5x Tightening torque = 5,5 Nm Seals: 4 OR 108 Ports P,,,T: Ø = 7.5 mm (max). P = PRESSURE PORT, = USE PORT T = TNK PORT HX(S)**-06* HX(S)**-06*/V Mass: 2,9 kg Mass: 3 kg HX(S)**-07* HX(S)**-07*/V Mass: 4,6 kg Mass: 4,8 kg Factory wired cables (see section 16 for soleid wiring) 12 INSTLLTION IMENSIONS OF LOHX(S) N LOKX(S) [mm] horizontalcableentrance option /O ISO 4401: 2005 Mounting surface: Fastening bolts: 4 socket head screws M5x Tightening torque = 5,5 Nm Seals: 4 OR 108 Ports P,,,T: Ø = 7.5 mm (max). P = PRESSURE PORT, = USE PORT T = TNK PORT LOHX(S)*-3/M-O*/V LOHX(S)*-3/M-O* Mass: 3 kg Mass: 2,9 kg LOKX(S)*-3/M-O*/R LOKX(S)*-3/M-O* Mass: 3,8 kg Mass: 2,9 kg Factory wired cables (see section 16 for soleid wiring) E135

8 13 INSTLLTION IMENSIONS OF LOPX(S) N LPX(S) [mm] Mounting surface LOPX(S)6 and LPX(S) t ISO standard Fastening bolts: 4 socket head screws M10x Tightening torque = 40 Nm Seals: 3 OR 3081; 2 OR 108 Ports P,,T: Ø = 16 mm (max) Ports X, Y: Ø = 7 mm (max) LOPX(S)6-3/M-O* LOPX(S)6-3/M-O* (dotted line) LPX(S)-3 option /O option /V LPX(S)-3 Mass: 5 kg Factory wired cables (see section 16 for soleid wiring) 14 INSTLLTION IMENSIONS OF SREW IN PRESSURE RELIEF VLVES [mm] RT MX(S)-3/* dotted line only for option /PE RT MX(S)-6/* dotted line only for option /PE RT REX(S)-20 dotted line only for option /PE 55 Nm 140 Nm 60 Nm Recess dimensions for RT MX(S)-3 Recess dimensions for RT MX(S)-6 Recess dimensions for RT REX(S)-20

9 15 INSTLLTION IMENSIONS OF MOULR N RTRIGE VLVES ISO 4401: 2005 Mounting surface: Fastening bolts: M5x**-4-70 Tightening torque = 5,5 Nm Seals: 4 OR 108 Ports P,,,T: 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 16 SOLENOI WIRING Soleid wiring (TEX, IEEx) 1 = oil 2 = GN 3 = oil Soleid wiring (UL) oil GN oil white green black red green black 17 LE GLN Stainless steel cable gland PX19/M - M20x1,5 (PG9 - IP67) for valves with TEX certification Stainless steel cable gland PXIE19/M - M20x1,5 (PG9 - IP66) for valves with IEEx certification PX19/M PXIE19/M Stainless steel cable glands - available on request - are certified TEX according to EN and EN , or IEEx, according to IE , IE , IE , IE The cable glands must be blocked with loctite or similar or with a lock nut. The valves must be connected to the power supply using the terminal board inside the soleid. The cable must be suitable for the working temperature as specified in the safety instructions delivered with the first supply of the products. dditional equipotential grounding can be also performed by the user on the external facility provided on the soleid case. Minimum section of external ground wire = 4 mm 2. Minimum section of internal ground wire = the same of supply wire. In order to reach the terminal board inside the soleid, the top plate of the soleid must be removed. Soleids are provided with threated connection for cable entrance: M20x1,5 (UNI-4535) 10/13

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