Explosion-proof solenoid valves on/off and proportional controls - UL certification

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1 Table E125-10/E Explosion-proof solenoid valves on/off and proportional controls - UL certification DLHZ-T-040 valve body ex-proof solenoid ex-proof transducer (only for proportional -T valves) threaded connections for cable clamp or conduit pipe Explosion-proof on/off and proportional solenoids certified according to UL 1002 Standard, Class I, Groups C&D. The solenoid case is designed to contain the possible explosion which could be caused by the presence of the gas mixture inside the housing, thus avoiding dangerous propagation in the external environment. DH and DLOH valves are conform to SIL 3 safety level (TÜV approved). They are also designed to limit the external temperature according to the certified class to avoid the self ignition of the explosive mixture present in the environment. These solenoids are applied to hydraulic valves for application in explosion-hazardous environments. 1 EXPLOSION PROOF SOLENOIDS: MIN DT SOLENOID TYPE PROPORTIONL without transducer with transducer ON-OFF Solenoid code OZUL- OZUL-T O Voltage VDC ±10% 12 DC, 24 DC 12 DC 12DC, 24DC, 110DC, 125DC, 220DC code VC 50/60 Hz ±10% 12C, 24C, 110C, 220C (1) Power consumption 35W 12W Coil insulation Class H Protection degree IP 66 ccording to IEC 144 when correctly coupled with the relevant cable gland Duty factor 100% Mechanical construction Flame proof housing classified, according to UL 1002, class I, groups C+D Cable entrance and electrical wiring (1) For alternating current supply a rectifier bridge is provided built-in the solenoid Cable gland connection 1/2 NPT (NSI 2.1). The relevant cable gland has to be provided by the costumer. The valves are supplied with 1,07 m (42 inches) cable lenght factory wired 2 EXPLOSION PROOF SOLENOIDS: TEMPERTURE DT SOLENOID TYPE PROPORTIONL ON/OFF Metod of protection Ex d Temperature class with +70 C ambient temp. T4 T6 Surface temperature 135 C 85 C mbient temperature C 3 CERTIFICTIONS In the following is resumed the valves marking according to UL 1002 certification Class I = Equipment for famable gas and vapours Division 1 = Possibility of explosive atmosphere during normal functioning Groups C&D = Gas group 3.1 EXMPLE OF NMEPLTE MRKING Marking according to UL 1002 certification UL identification mark E125

2 4 MODEL CODE OF SPOOL TYPE ON-OFF DIRECTIONL SOLENOID VLVES DH / UL /2 / NPT / * 24DC ** /* DH = spool type - direct DPH = spool type - piloted Synthetic fluids: Low temperature execution: T = low temperature -40 C Valve size (ISO 4401) for DH 0 = 06 for DPH 1 = 10 2 = 16 3 = 25 Valve configuration, DH see section 5 and DPH see section 6 Spool type, DH see section 5 and DPH see section6 NPT = 1/2 NPT NSI 2.1 (tapered) Voltage code - see section 1 (1) Option /MV available only for DH, configuration 61, 63, 71 and spool type 0, 0/2, 1, 1/2, 3, 4. For installation dimensions see table E138 = solenoid at side of port (for single solenoid valves) O = horizontal cable entrance MV = horizontal hand lever (1) WP = prolongued manual override protected by metallic cap Only for DPH: /D =Internal drain. /E =External pilot pressure. /H =djustable chokes (meter-out to the pilot chambers of the main valve). /H9 =djustable chokes (meter-in to the pilot chambers of the main valve). /S = Main spool stroke adjustment (only for DPH-2, -3). 5 CONFIGURTION OF DH VLVES -71* -750/2-751/2-630/2-631/2 (1) (1) -61* -67* -630/2/ -631/2/ (1) -61*/ -67*/ Where the symbol doesn't show the hydraulic connection (*), it depends on the central configuration of the spool; (1) Configurations 63 and 75 are available only for spool type 0/2, 1/2 and 2/2 Spools for DH valves 0 0/2 1 1/2 2 2/ CONFIGURTION OF DPH VLVES -71* -*70 -*75 -*63 -*61 -*67 -*63*/ -*61*/ -*67*/ Where the symbol doesn't show the hydraulic connection (*), it depends on the central configuration of the spool; Spools for DPH valves For all size 0 0/2 1 1/ Only for DPH-2, DPH-3 2 2/

3 Directional control valve poppet type, size 06 H K 7 MODEL CODE OF POPPET TYPE, LEK FREE, DIRECTIONL SOLENOID VLVES = max flow 12 l/min = max flow 30 l/min DLO H 2 / NPT - O/UL / * 24DC ** /* 2 = two way (only for DLOH) 3 = three way Voltage code - see section 1 PE =phosphate ester Valve configuration, see section 8 = open in rest position C = closed in rest position NPT = 1/2 NPT NSI 2.1 (tapered) 8 CONFIGURTION OF DLOH/O/* ND DLOK/O/* Certification type O/ O = horizontal cable entrance R = with check valve on port P WP = prolongued manual override protected by metallic cap DLOH-2 DLOH-2/R DLOH-2C DLOH-2C/R DLOK-3 DLOH-3 DLOH-3/R DLOH-3C DLOH-3C/R DLOK-3C 9 Q/Δp DIGRMS OF ON/OFF DIRECTIONL CONTROLS (based on mineral oil ISO VG 46 at 50 C) DH D Flow direction Spool type P P T T P T 0 C C C C 0/2, 1, 1/2 3 C C 4, 5 D D D D 6 C 7 C 8 C C valve pressure drop C INTERNL LEKGE of DLOH and DLOK less than 5 drops/min (0,36 cm 3 /min) at max pressure. Flow direction P (1) T Valve type (P ) ( T) DLOH-2 DLOH-2C C DLOH-3 D C DLOH-3C C DLOK-3 G F valve pressure drop DLOH D C valve pressure drop DLOK G F E DLOK-3C F E (1) For two-way valves pressure drop refers to P T 10 OPERTING LIMITS OF ON/OFF DIRECTIONL CONTROLS (based on mineral oil ISO VG 46 at 50 C) The diagram have been obtained with warm solenoids and power supply at lowest value (Vnom-10%). For DH 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. DH DLOH DLOK M Inlet pressure V S Inlet pressure Inlet pressure C D M = Spools 0, 1, 8; V = Spools 4, 5. S = Spools 0/2,1/2, 3, 6, 7; 10.1 Max pressure in port T = 210 bar = DLOH-3; = DLOH-2, DLOH-3C. C = DLOK-3; D = DLOK-3C. E125

4 11 MODEL CODE OF PRESSURE RELIEF VLVES GM - 20 / 2 0 /210/100/100 / NPT - O/UL / * 24 DC ** /* GM = pressure relief valve: subplate mounting, see tab. C066 RM = pressure relief valve: threated connections, see tab. C045 Valve size for GM: 10 (ISO 6264) 20 (ISO 6264) 32 (ISO 6264) for RM: 20 = G 3/4 32 = G 1 1/4 Number of the different setting pressure values: 1 = one setting pressure 2 = two setting pressure 3 = three setting pressure Valve configuration 0 = venting with de-energized solenoid 1 = venting with energized solenoid 2 = without venting Max regulated pressure of first (second / third) setting see section 12 Certification type: O/ NPT = 1/2 NPT NSI 2.1 (tapered) Voltage Code, see section 1 E = external pilot O = horizontal cable entrance V = regulating handweel WP = prolongued manual override protected by metallic cap Y = external drain 12 HYDRULIC CHRCTERISTICS GM-**/10 RM-**/10 RM-**/10 GM-**/11 GM-**/22 RM-**/22 GM-**/20 RM-**/20 GM-**/21 RM-**/21 GM-**/32 RM-**/32 Size 10 Size 20 Size 32 Setting 50; 100; 210; 350 Max pressure port P 350 Pressure range 4 50; 6 100; 7 210; GM RM MODEL CODE OF COVERS FOR CRTRIDGE VLVES Certification type O/ LIDEW - 1 / NPT - O/UL - * 24DC ** /* Cover type: LIDH* = with solenoid valve and shuttle valve for pilot selection LIDEW* = with solenoid valve for pilot selection * = valve configuration (see H030 section 2) Size (ISO 7368) 1 = 16; 4 = 40; 8 = 80 (only for LIDEW); 2 = 25; 5 = 50; 3 = 32; 6 = 63; NPT = 1/2 NPT NSI 2.1 (tapered) Note: for the code of the ISO cartridge to use with the above covers see tab. H003, section 2 and tab. H030, section HYDRULIC SYMOLS Voltage code - see section 1 = cartridge piloted via port of solenoid pilot valve E = external attachments X (1/4" GS) and underneath port X supplied plugged (only forsizes ) O = horizontal cable entrance WP = prolongued manual override protected by metallic cap * Optional different provision or setting of the calibrated plugs in the pilot channels see table H030 sect. 6 LIDEW1-* LIDEW2-* LIDEW4-* LIDEW5-* LIDEW6-* LIDH1-* LIDH1C-* LIDH2-* LIDH2C-*

5 15 MODEL CODE OF PROPORTIONL DIRECTIONL VLVES DHZ DHZ = size 06 DKZ = size 10 DPZ = size 10 = size 16 = size 25 /UL - T L 5 / NPT / * /* / ** /* = without integral position transducer T = with integral position transducer (not for DPZ) Valve size (ISO 4401) DHZ DKZ DPZ 0= size 06 1= size 10 1= size 10 2= size 16 3= size 25 Configuration, DHZ and DKZ see section 16, DPZ see section 17 5 = external plus central position, spring centered 7 = 3 position, spring centered Spool overlapping in central position, DHZ and DKZ see section 16, DPZ see section 17 1 = P,,, T positive overlapping 3 = P positive overlapping;,, T, negative Spool type L = linear; S = progressive; D = as S, but with P- = Q, P- = Q/2 (2) Option /MV vailable only for DHZ. For installation dimensions see table E138 NPT = 1/2 NPT NSI 2.1 (tapered) Omit for standard coil 12 VDC: 24 = with 24 VDC coils (only version) = solenoid at side of port (only for single solenoid valves) C = position transducer with current feedback 4 20 m (only for -T) D = internal drain (only for DPZ) E = external pilot (only for DPZ) G = pressure reducing valve for piloting (only for DPZ) MV = horizontal hand lever (2) O = horizontal cable entrance (only for -) WP = prolongued manual override protected by metallic cap (only for -) Y = external drain (only for DHZ and DKZ) Spool size: DHZ and DKZ see section 16, DPZ see section HYDRULIC CHRCTERISTICS of DHZ and DKZ (based on mineral oil ISO VG 46 at 50 C) Hydraulic symbols *71, *71/ *73, *73/ *51 *53 *51/ *53/ a b a b b b a a Spool overlapping Spool type and size at Δp = 10 bar (P-T) at Δp = 30 bar (P-T) at Δp max (P-T) Response time (1) [ms] Hysteresis [%] Repeatability DHZ DKZ - -T - -T 1, 3 1, 3 1, 3 1, 3 1, 3 1, 3 L14 L1 S3, L3, D3 S5, L5, D5 S3, L3 S5, L5, D5 Pressure limits ports P,, = 350; T = 160 (250 with external drain /Y) ports P,, = 315; T = 160 (250 with external drain /Y) Δp max P-T , < 30 (-) < 15 (-T) 5%(-) 0,2% (-T) ± 1% (-) ± 0,1% (-T) (1) Response times at step signal (0% 100%) are measured from 10% to 90% of step value and are strictly referred to the valve regulation < 40 (-) < 20 (-T) 5%(-) 0,2% (-T) ± 1% (-) ± 0,1% (-T) HYDRULIC CHRCTERISTICS OF DPZ (based on mineral oil ISO VG 46 at 50 C) Hydraulic symbols *71, *71/ *73 *51 *53 *51/ *53/ a b a b b b a a Spool type and size L5 DPZ-1 S5 D5 S3 D3 DPZ-2 L5 S5 D5 L5 DPZ-3 S5 D5 Pressure limits Ports P,,, X = 350; T = 250; Y = 0 at Δp = 10 bar 100 at Δp = 30 bar 160 at Δp max = ( ) bar 190 (350) Response time (1) [ms] Hysteresis [%] Repeatability (350) < 80 5% ± 1% 100 : : (350) (150) 130 : : (150) (130) < 100 5% ± 1% (130) 180 : : (130) (1) Response times at step signal (0% 100%) are measured from 10% to 90% of step value and are strictly referred to the valve regulation (120) (120) < 120 5% ± 1% 360 : : (120) ELECTRONIC DRIVERS TO E USED WITH EX-PROOF PROPORTIONL VLVES - tos driver for proportional valves type - (without transducer): E-ME-C, see tab. G035 - tos driver for proportional valves type -T (with transducer): E-ME-T, see tab. G140 E125

6 18 MODEL CODE OF SERVOPROPORTIONL VLVES DLHZ /UL - T L 7 3 / NPT / * ** /* DLHZ = size 06 DLKZ = size 10 T = with integral position transducer Valve size (ISO 4401) 0 = size 06 (DLHZ) 1 = size 10 (DLKZ) Configuration, see section 19 4 = external plus central position, spring centered 6 = 3 position, spring centered Spool overlapping in central position, see section 19 0 = P,,, T zero overlapping Spool type L = linear; T = not linear; Spool size: see section 19 = solenoid at side of port C = position transducer with current feedback 4 20 m Y = external drain NPT = 1/2 NPT NSI 2.1 (tapered) Fail safe configuration: 1 =,, P, T with positive overlapping 3 = P, positive overlapping;,, T negative 19 HYDRULIC CHRCTERISTICS (based on mineral oil ISO VG 46 at 50 C) Hydraulic symbols *40-L*3/ *40-T*3/ Pressure limits Spool at Δp = 30 bar at Δp max bar Leakage [cm 3 /min] at P = 100 bar (1) Response time (2) [ms] Hysteresis [%] Thermal drift b *40-L*3 *40-T*3 ports P,, = 350; 4,5 7 *40-L*1/ *40-T*1/ DLHZ-T* T = 160 (250 with external drain /Y) ports P,, = 315; ,1% *40-L*1 *40-T*1 *60-L*1/ *60-T*1/ a a a DLKZ-T* T = 160 (250 with external drain /Y) L1 L3 L5 T5 L7 T7 L3 L7 T7 Δp max P-T < 200 < 300 < 500 < 200 < 900 < 200 < 1000 < 1500 < 400 (1) Referred to spool in center position and 50 C oil temperature. (2) Response times at step signal (0% 100%) are measured from 10% to 90% of step value and are strictly referred to valve regulation. b zero point displacement < 1% at ΔT = 40 C 15 0,1% b *60-L*1 20 MODEL CODE OF PRESSURE COMPENSTED PROPORTIONL FLOW CONTROL VLVES QVHZ / UL - T - 06 / 12 / NPT / * /* ** /* QVHZ = size 06 QVKZ = size 10 = without position transducer T = with integral position transducer Valve size (ISO 4401) QVHZ: 06 QVKZ: 10 Max regulated flow: QVHZ 3 = 3,5 l/min; 36 = 36 l/min; 12 = 12 l/min 45 = 45 l/min; 18 = 18 l/min; QVKZ 65 = 65 l/min 90 = 90 l/min C = current feedback signal 4 20 m (only for -T versions) D = quick venting O = horizontal cable entrace (only for - versions) WP= prolongued manual override protected by metallic cap (only for valves without transducer) NPT = 1/2 NPT NSI 2.1 (tapered) Omit for standard coil 12 VDC: 24 = with 24 VDC coils (only version) 21 HYDRULIC CHRCTERISTICS (based on mineral oil ISO VG 46 at 50 C) Hydraulic symbols Note: QVHZ- QVHZ-T In three-way versions port P is open. P In two-way versions port P must be plugged. QVKZ- P QVKZ-T Port T must always be plugged. QVHZ- QVHZ-T QVKZ- QVKZ-T Valve size Max pressure ports P,, 210 Max regulated flow 3, , Min regulated flow (1) [cm 3 /min] Regulating Δp on port bove performance data refer to valves coupled with tos electronic drivers. (1) Values are referred to 3-way configuration. In the 2-way configuration, the values of min regulated flow are higher.

7 22 MODEL CODE OF PROPORTIONL PRESSURE RELIEF ND COMPENSTOR VLVES RZM / UL 010 / 250 / NPT / * /* ** /* Pressure relief: RZM = subplate size 06 HZM = modular size 06 GMZ= subplate size 10, 20, 32 LIMZ = cartridge (1) Pressure compensator: LICZ = cartridge (1) Synthetic fluids (2): = without integral pressure transducer Valve size: see section 23 for size code Omit for standard coil 12 VDC: 24 = with 24 VDC coils (only version) E = external pilot (only for GMZ) O = horizontal cable entrace P = with integral mechanical pressure limiter (only for LI*Z) Y = external drain (only for GMZ) Max regulated pressure: see section 23 (1) For the code of the ISO cartridge to use with LIMZ and LICZ, see tab. F300 section 2. (2) Option /T = low temperature -40 C also available on request NPT = 1/2 NPT NSI 2.1 (tapered) 23 HYDRULIC CHRCTERISTICS RZM-01 RZM-030 HZM GMZ LIMZ LICZ Size code Valve size Max regulated pressure Max pressure at port P,,, X Max pressure at port T, Y RZM HZM GMZ LIMZ LICZ ; 180; MODEL CODE OF PROPORTIONL PRESSURE REDUCING VLVES RZG / UL 010 / 250 Pressure reducing: RZG = subplate size 06 HZG = modular size 06 KZG = modular size 10 GRCZ = subplate size 10, 20 LIRZ = cartridge = without integral transducer Valve size: see section 25 for size code Max regulated pressure: see section 25 Note: for the code of the ISO cartridge to use with LIRZ, see tab. F300 section 2. / NPT / * /* ** /* NPT = 1/2 NPT NSI 2.1 (tapered) E = external pilot (only for GRCZ) O = horizontal cable entrace (1) P = with integral mechanical pressure limiter (only for GRCZ and LIRZ) R = with check valve (only for GRCZ) Omit for standard coil 12 VDC: 24 = with 24 VDC coils (only version) 25 HYDRULIC CHRCTERISTICS RZG--010 RZG--033 HZG--031 KZG--031 GRCZ- Size code Valve size Max regulated pressure Min regulated pressure Max pressure at port P Max pressure at port T LIRZ- RZG HZG KZG GRCZ LIRZ ; 100; ; 180; 250 0, E125

8 26 SOLENOIDS DIMENSIONS ND WIRING OUL OZUL- OZUL-T YELLOW (GND) WHITE (OUT SIGNL) x y c GREEN RED+ LCK- LCK (-15v) RED (+15v) Option /WP y x c Option /O y x c Option /OWP y x c Solenoid wiring (connection 1/2 NPT) OUL-*C OUL-*DC OZUL y white = Coil (neutral) x green = GND c black = Coil y red = + x green = GND c black = - y red = Coil x green = GND c black = Coil Position transducer wiring (connection 1/2 NPT) White = Output signal lack = Supply -15 V Red = Supply +15 V Yellow = GND The valves are supplied with 1,07 m (42 inches) cable lenght, factory wired. 09/08

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