Explosion-proof solenoid valves on/off and proportional controls - C UL US certification
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1 Tble E5-/E Explosion-proof solenoid vlves on/off nd proportionl controls - DLHZ/UL-T- vlve body ex-proof solenoid ex-proof trnsducer (only for proportionl -T vlves) threded connections for conduit pipe Explosion-proof on/off nd proportionl solenoids certified C UL US ccording to UL nd CS. n 39-9 Stndrd, Clss I, Groups C&D (Groups II & II to NEC 55-7). The solenoid cse is designed to contin the possible explosion which could be cused by the presence of the gs mixture inside the housing, thus voiding dngerous propgtion in the externl environment. DH nd DLOH vlves re conform to SIL 3 sfety level (TÜV pproved). They re lso designed to limit the externl temperture ccording to the certified clss to void the self ignition of the explosive mixture present in the environment. These solenoids re pplied to hydrulic vlves for ppliction in explosion-hzrdous environments. EXPLOSION PROOF SOLENOIDS: MIN DT SOLENOID TYPE PROPORTIONL without trnsducer with trnsducer ON-OFF Solenoid code OZUL- OZUL-T OUL Voltge VDC ±% DC, DC DC DC, DC, DC, 5DC, DC code VC 5/6 Hz ±% C, C, C, 3C () Power consumption 35W W Coil insultion Clss H Protection degree IP 67 ccording to IEC when correctly coupled with the relevnt conduit pipe Duty fctor % Mechnicl construction Flme proof housing clssified, ccording to UL nd CS. n 39-9, clss I, groups C&D (Groups II & II to NEC 55-7) Cble entrnce nd electricl wiring () For lternting current supply rectifier bridge is provided built-in the solenoid Connection / NPT (NSI.) for conduit pipe. The vlves re supplied with,7 m ( inches) cble lenght fctory wired EXPLOSION PROOF SOLENOIDS: TEMPERTURE DT SOLENOID TYPE PROPORTIONL ON/OFF Metod of protection Ex d Temperture clss with +7 C mbient temp. T Not pplicble Surfce temperture 35 C 5 C mbient temperture - +7 C 3 CERTIFICTIONS In the following is resumed the vlves mrking ccording to UL nd CS. n 39-9 certifiction Clss I Division Groups C&D Groups II&II T = Equipment for fmble gs nd vpours = Possibility of explosive tmosphere during norml functioning = Gs group (ccording to UL ) = Gs group (ccording to NEC 55-7) = Temperture clss of solenoid surfce referred to +7 C mbient temperture 3. EXMPLE OF NMEPLTE MRKING Mrking ccording to NEC 55-7 norms Mrking ccording to UL norms C UL US identifiction mrk E5
2 MODEL CODE OF SPOOL TYPE ON-OFF DIRECTIONL SOLENOID VLVES DH / UL 63 / / NPT / * DC ** /* Synthetic fluids: WG= wter-glycol PE = phosphte ester Low temperture execution: T = low temperture - C DH = spool type - direct DPH = spool type - piloted UL = with m cbles lenght, fctory wired Voltge code - see section 쪧 Vlve size (ISO ) for DH for DPH = 6 = = 6 = solenoid t side of port (for single solenoid vlves) O = horizontl cble entrnce MV = verticl hnd lever () WP = prolongued mnul override protected by metllic cp 3 = 5 Vlve configurtion, DH see section 쪫 nd DPH see section 쪬 Only for DPH: /D =Internl drin. /E =Externl pilot pressure. /H =djustble chokes (meter-out to the pilot chmbers of the min vlve). /H9 =djustble chokes (meter-in to the pilot chmbers of the min vlve). /S = Min spool stroke djustment (only for DPH-, -3). Spool type, DH see section 쪫 nd DPH see section쪬 NPT = / NPT NSI. (tpered) () Option /MV vilble only for DH, configurtion 6, 63, 7 nd spool type, /,, P, /, /P, 3, 3P,, 7 5 CONFIGURTIONS nd SPOOLS Configurtions Spools 6 Configurtions 63 6/ / / / / 67/ 9 Spools CONFIGURTIONS nd SPOOLS Configurtions 6 Spools Configurtions / / NOTES: - For DP*- re vilble only spools:, /,, /, 3,, 5, 5, 6, 7 - For DP*-6 re vilble only spools:,,, 3,, 5, 5, 6, 7,, 9, 9 Spools / 63/ / / 75
3 Directionl control vlve poppet type, size 6 H K 7 MODEL CODE OF POPPET TYPE, LEK FREE, DIRECTIONL SOLENOID VLVES = mx flow l/min = mx flow 3 l/min DLO H / NPT - O/UL / * DC ** /* = two wy (only for DLOH) 3 = three wy Voltge code - see section Sels mteril (): Vlve configurtion, see section = open in rest position C = closed in rest position NPT = / NPT NSI. (tpered) () Option /T = low temperture - C lso vilble on request CONFIGURTION OF DLOH/O/* ND DLOK/O/* O = horizontl cble entrnce R = with check vlve on port P (only for DLOH) WP = prolongued mnul override protected by metllic cp O/ O/UL = with m cbles lenght, fctory wired DLOH- DLOH-/R DLOH-C DLOH-C/R DLOK-3 DLOH-3 DLOH-3/R DLOH-3C DLOH-3C/R DLOK-3C 9 Q/Δp DIGRMS OF ON/OFF DIRECTIONL CONTROLS (bsed on minerl oil ISO VG 6 t 5 C) DH D Flow direction Spool type P P T T P T C C C C /,, / 3 C C, 5 D D D D 6 C 7 C C C vlve pressure drop C INTERNL LEKGE of DLOH nd DLOK less thn 5 drops/min (,36 cm 3 /min) t mx pressure. Flow direction P () T Vlve type (P ) ( T) DLOH- DLOH-C C DLOH-3 D C DLOH-3C C DLOK-3 G F vlve pressure drop DLOH D C vlve pressure drop DLOK G F E DLOK-3C F E () For two-wy vlves pressure drop refers to P T OPERTING LIMITS OF ON/OFF DIRECTIONL CONTROLS (bsed on minerl oil ISO VG 6 t 5 C) The digrm hve been obtined with wrm solenoids nd power supply t lowest vlue (Vnom-%). For DH vlves the curves refer to ppliction with symmetricl flow through the vlve (i.e. P nd T). In cse of symmetric flow the operting limits must be reduced. DH DLOH DLOK M Inlet pressure V S Inlet pressure Inlet pressure C D M = Spools,, ; V = Spools, 5. S = Spools /,/, 3, 6, 7;. Mx pressure in port T = br = DLOH-3; = DLOH-, DLOH-3C. C = DLOK-3; D = DLOK-3C. E5
4 MODEL CODE OF PRESSURE RELIEF VLVES GM GM = pressure relief vlve: subplte mounting, see tb. C66 RM = pressure relief vlve: threted connections, see tb. C5 Vlve size for GM: (ISO 66) (ISO 66) 3 (ISO 66) for RM: = G 3/ 3 = G / Number of the different setting pressure vlues: = one setting pressure = two setting pressure 3 = three setting pressure Vlve configurtion = venting with de-energized solenoid = venting with energized solenoid = without venting - / /// / NPT - O/UL / * DC ** /* Voltge Code, see section E = externl pilot O = horizontl cble entrnce V = regulting hndweel WP = prolongued mnul override protected by metllic cp Y = externl drin O/ O/UL = with m cbles lenght, fctory wired Sels mteril (): Mx regulted pressure of first (second / third) setting see section () Option /T = low temperture - C lso vilble on request NPT = / NPT NSI. (tpered) HYDRULIC CHRCTERISTICS GM-**/ RM-**/ RM-**/ GM-**/ GM-**/ RM-**/ GM-**/ RM-**/ GM-**/ RM-**/ GM-**/3 RM-**/3 Vlve model Size Size Size 3 Setting 5; ; ; 35 Mx pressure port P 35 Pressure rnge 5; 6 ; 7 ; 35 GM 6 RM MODEL CODE OF COVERS FOR CRTRIDGE VLVES Certifiction type O/UL = LIDEW - / NPT - O/UL - * DC ** /* Cover type: LIDH* = with solenoid vlve nd shuttle vlve for pilot selection LIDEW* = with solenoid vlve for pilot selection * = vlve configurtion (see H3 section ) Size (ISO 736) = 6; = ; = (only for LIDEW); = 5; 5 = 5; 3 = 3; 6 = 63; NPT = / NPT NSI. (tpered) Note: for the code of the ISO crtridge to use with the bove covers see tb. H3, section nd tb. H3, section. () Option /T = low temperture - C lso vilble on request HYDRULIC SYMOLS Voltge code - see section Optionl different provision or setting of the clibrted plugs in the pilot chnnels see tble H3 sect. Sels mteril (): = crtridge piloted vi port of solenoid pilot vlve E = externl ttchments X (/" GS) nd underneth port X supplied plugged (only forsizes...) O = horizontl cble entrnce WP = prolongued mnul override protected by metllic cp * LIDEW-* LIDEW-* LIDEW-* LIDEW5-* LIDEW6-* LIDH-* LIDHC-* LIDH-* LIDHC-*
5 5 MODEL CODE OF PROPORTIONL DIRECTIONL VLVES DHZ DHZ = size 6 DKZ = size DPZ = size = size 6 = size 5 UL = with m cbles lenght, fctory wired = without integrl position trnsducer T = with integrl position trnsducer (not for DPZ) Vlve size (ISO ) DHZ DKZ DPZ = size 6 = size = size = size 6 3= size 5 Configurtion, DHZ nd DKZ see section 6, DPZ see section 7 5 = externl plus centrl position, spring centered 7 = 3 position, spring centered Spool overlpping in centrl position, DHZ nd DKZ see section 6, DPZ see section 7 = P,,, T positive overlpping 3 = P positive overlpping;,, T, negtive Spool type L = liner; S = progressive; D = s S, but with P- = Q, P- = Q/ /UL - T L 5 / NPT / * /* / ** /* () Option /T = low temperture - C lso vilble on request () Option /MV vilble only for DHZ configurtion 5, 53, 7, spool type S3, S5, D3, D5, L3, L5 NPT = / NPT NSI. (tpered) Omit for stndrd coil VDC: = with VDC coils (only version) = solenoid t side of port (only for single solenoid vlves) C = position trnsducer with current feedbck m (only for -T) D = internl drin (only for DPZ) E = externl pilot (only for DPZ) G = pressure reducing vlve for piloting (only for DPZ) MV = verticl hnd lever () O = horizontl cble entrnce (only for -) WP = prolongued mnul override protected by metllic cp (only for -) Y = externl drin (only for DHZ nd DKZ) Spool size: DHZ nd DKZ see section 6, DPZ see section 7 Sels mteril (): 6 HYDRULIC CHRCTERISTICS of DHZ nd DKZ (bsed on minerl oil ISO VG 6 t 5 C) Hydrulic symbols *7, *7/ *73, *73/ *5 *53 *5/ *53/ Vlve model DHZ- DHZ-T Spool overlpping Spool type nd size () b L L b b b, 3, 3, 3, 3, 3, 3, 3 () dditionl spools nd configurtions for -T execution, see tble F7.. () Response times t step signl (% %) re mesured from % to 9% of step vlue nd re strictly referred to the vlve regultion. S S3, L3, D3 DKZ- DKZ-T S5, L5, D5 S3, L3, D3 S5, L5, D5 Pressure limits ports P,, = 35; T = 6 (5 with externl drin /Y) Δp mx P-T 7 5 t Δp = br (P-T) t Δp = 3 br (P-T) mx permissible flow 3, Response time () [ms] < 3 () < 5 (T) < () < (T) Hysteresis [%] 5% (),% (T) 5% (),% (T) Repetbility ± % () ±,% (T) ± % () ±,% (T) 7 HYDRULIC CHRCTERISTICS OF DPZ (bsed on minerl oil ISO VG 6 t 5 C) Hydrulic symbols *7, *7/ *73 *5 *53 *5/ *53/ b b b b Vlve model Spool type nd size () Pressure limits t Δp = br t Δp = 3 br mx permissible flow Response time () [ms] Hysteresis [%] Repetbility L5 6 ELECTRONIC DRIVERS TO E USED WITH EX-PROOF PROPORTIONL VLVES - tos driver for proportionl vlves type - (without trnsducer): E-ME-C, see tb. G35 - tos driver for proportionl vlves type -T (with trnsducer): E-ME-T, see tb. G DPZ- DPZ- DPZ-3 S5 D5 S3 D3 L5 S5 D5 L5 S5 D5 6 < 5% ± % : 6 6 : : Ports P,,, X = 35; T = 5; Y = : 5 : : < 5% ± % 3 6 : 3 3 : 5 6 (6) () dditionl spools nd configurtions for -T execution, see tble F7. () Response times t step signl (% %) re mesured from % to 9% of step vlue nd re strictly referred to the vlve regultion < 5% ± % 36 : 6 : 3 35 : E5
6 MODEL CODE OF SERVOPROPORTIONL VLVES DLHZ DLHZ = size 6 DLKZ = size UL = with m cbles lenght, fctory wired T = with integrl position trnsducer Vlve size (ISO ) = size 6 (DLHZ) = size (DLKZ) Configurtion, see section 9 = spring offset with fil sfe 6 = spring offset /UL - T - - L 7 3 / NPT / * ** /* = solenoid t side of port C = position trnsducer with current feedbck m Y = externl drin NPT = / NPT NSI. (tpered) Sels mteril (): Spool overlpping in centrl position, see section 9 = P,,, T zero overlpping Spool type L = liner; T = not liner; () Option /T = low temperture - C lso vilble on request Fil sfe configurtion: =,, P, T with positive overlpping 3 = P, positive overlpping;,, T negtive Spool size: see section 9 9 HYDRULIC CHRCTERISTICS (bsed on minerl oil ISO VG 6 t 5 C) Hydrulic symbols *-L*3/ *-D*3/ *-DT*3/ *-T*3/ *-V*3/ Vlve model DLHZ-T* DLKZ-T* ports P,, = 35; ports P,, = 35; Pressure limits T = 6 (5 with externl drin /Y) T = 6 (5 with externl drin /Y) Δp mx P-T 7 6 Spool t Δp = 3 br mx permissible flow Lekge [cm 3 /min] t P = br () Response time [ms] Hysteresis [%] Therml drift () Referred to spool in center position nd 5 C oil temperture. b *-L*3 *-D*3 *-DT*3 *-T*3 *-V*3 L,5,% b 5,% *6-L* *6-V* L V L3 V3 L5 T5 L7 T7 V7 D7 DT7 L3 L7 T7 V7 D7 DT7, *-L* *-D* *-DT* *-T* *-V* *-L*/ *-D*/ *-DT*/ *6-L*/ *6-V*/ *-T*/ *-V*/ 6 3 zero point displcement < % t ΔT = C b < < < <3 <5 <5 < <9 < < <7 < < <5 < < < < MODEL CODE OF PRESSURE COMPENSTED PROPORTIONL FLOW CONTROL VLVES QVHZ / UL - T - 6 QVHZ = size 6 QVKZ = size UL = with m cbles lenght, fctory wired = without position trnsducer T = with integrl position trnsducer / / NPT / * /* ** /* Sels mteril (): Omit for stndrd coil VDC: = with VDC coils (only version) Vlve size (ISO ) QVHZ: 6 QVKZ: Mx regulted flow: QVHZ 3 = 3,5 l/min; 36 = 36 l/min; = l/min 5 = 5 l/min; = l/min; QVKZ 65 = 65 l/min 9 = 9 l/min () Option /T = low temperture - C lso vilble on request C = current feedbck signl m (only for -T versions) D = quick venting O = horizontl cble entrce (only for - versions) WP= prolongued mnul override protected by metllic cp (only for vlves without trnsducer) NPT = / NPT NSI. (tpered) HYDRULIC CHRCTERISTICS (bsed on minerl oil ISO VG 6 t 5 C) Hydrulic symbols Note: QVHZ- QVHZ-T In three-wy versions port P is open. P In two-wy versions port P must be plugged. QVKZ- P QVKZ-T Port T must lwys be plugged. Vlve model QVHZ- QVHZ-T QVKZ- QVKZ-T Vlve size 6 6 Mx pressure ports P,, Mx regulted flow 3, , Min regulted flow () [cm 3 /min] Regulting Δp on port bove performnce dt refer to vlves coupled with tos electronic drivers. () Vlues re referred to 3-wy configurtion. In the -wy configurtion, the vlues of min regulted flow re higher.
7 MODEL CODE OF PROPORTIONL PRESSURE RELIEF ND COMPENSTOR VLVES RZM / UL / 5 / NPT / * /* ** /* Pressure relief: RZM = subplte size 6 HZM = modulr size 6 GMZ= subplte size,, 3 LIMZ = crtridge () Pressure compenstor: LICZ = crtridge () UL = with m cbles lenght, fctory wired Sels mteril (): Omit for stndrd coil VDC: = with VDC coils (only version) = without integrl pressure trnsducer Vlve size: see section 3 for size code E = externl pilot (only for GMZ) O = horizontl cble entrce P = with integrl mechnicl pressure limiter (only for LI*Z) Y = externl drin (only for GMZ) Mx regulted pressure: see section 3 () For the code of the ISO crtridge to use with LIMZ nd LICZ, see tb. F3 section. () Option /T = low temperture - C lso vilble on request NPT = / NPT NSI. (tpered) 3 HYDRULIC CHRCTERISTICS RZM- RZM-3 HZM GMZ LIMZ LICZ Vlve model Size code Vlve size Mx regulted pressure Mx pressure t port P,,, X Mx pressure t port T, Y RZM HZM GMZ LIMZ LICZ ; ; MODEL CODE OF PROPORTIONL PRESSURE REDUCING VLVES RZG / UL / 5 Pressure reducing: RZG = subplte size 6 HZG = modulr size 6 KZG = modulr size GRCZ = subplte size, LIRZ = crtridge UL = with m cbles lenght, fctory wired = without integrl trnsducer Vlve size: see section 5 for size code Mx regulted pressure: see section 5 Note: for the code of the ISO crtridge to use with LIRZ, see tb. F3 section. () Option /T = low temperture - C lso vilble on request / NPT / * /* ** /* NPT = / NPT NSI. (tpered) Series number Omit for stndrd coil VDC: = with VDC coils (only version) O = horizontl cble entrce () P = with integrl mechnicl pressure limiter (only for GRCZ nd LIRZ) R = with check vlve (only for GRCZ) Sels mteril (): 5 HYDRULIC CHRCTERISTICS RZG-- RZG--33 HZG--3 KZG--3 GRCZ- LIRZ- Vlve model Size code Vlve size Mx regulted pressure Min regulted pressure Mx pressure t port P Mx pressure t port T RZG HZG KZG GRCZ LIRZ ; ; ; ; 5, E5
8 6 SOLENOIDS DIMENSIONS ND WIRING OUL OZUL- OZUL-T * * only for OUL Option /WP Option /O Option /OWP Option /MV For UL version, the vlves re supplied with m ( inches) cble lenght, fctory wired. Solenoid wiring (connection / NPT) OUL-*C OUL-*DC white = Coil (neutrl) red = + green = GND green = GND blck = Coil blck = - Position trnsducer wiring (connection / NPT) white = Output signl blck = Supply -5 V red = Supply +5 V yellow = GND OZUL red = Coil green = GND blck = Coil /
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