Explosion-proof solenoid valves on/off and proportional controls - ATEX, IECEx or Rostechnadzor Russian certification
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- Milo Wilkins
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1 Tble E0-4/E Explosion-proof solenoid vlves on/off nd proportionl controls - ATEX, IECEx or Rostechndzor Russin certifiction DLHZA-T-040 vlve body ex-proof solenoid ex-proof trnsducer (only for proportionl -T vlves) threded connections for cble clmp or conduit pipe Note: For ex-proof proportionl vlves with integrl digitl drivers, see tble F600 On/off nd proportionl vlves equipped with explosion-proof solenoids vilble with following certifictions nd protection modes: Solenoids group II for surfce plnts with gs, vpours nd dust environment ATEX 94/9/EC Ex II GD Ex d IIC T6/T4/T3, Ex td A IP67 - ctegory, zone,, & IECEx worldwide recognized sfety certifiction, Ex d IIC T6/T4/T3, Ex td A IP67 Rostechndzor Russin Certifiction Ex d IIC T6/T4/T3 Solenoids group I for surfce, tunnels or mining plnts ATEX 94/9/EC, Ex I M Ex d I IECEx, EX d I Mb 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. 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. DHA nd DLOH vlves conform to SIL 3 sfety level (TÜV pproved). These solenoids re pplied to hydrulic vlves for ppliction in explosionhzrdous environments. EXPLOSION PROOF SOLENOIDS: MAIN DATA SOLENOID TYPE PROPORTIONAL without trnsducer with trnsducer ON-OFF Group II, ATEX OZA-A OZA-T OA Solenoid Group II, IECEx OZAI-A OZAI-T OAI code Group I, ATEX (mining) OZAM-A OZAM-T OAM Group II, Rostechndzor OZA/RU-A OZA/RU-T OA/RU Voltge VDC ±0% DC, 4 DC DC DC, 4DC, 8DC, 48DC, 0DC, 5DC, 0DC code VAC 50/60 Hz ±0% AC, 4AC, 0AC, 30AC () Power consumption 35W 8W Coil insultion Clss H Protection degree IP 67 According to IEC 44 when correctly coupled with the relevnt cble glnd SP-PA*, see section 6 Duty fctor 00% Mechnicl construction Flme proof housing clssified Ex d, ccording to EN : 006, EN : 007 Cble entrnce nd electricl wiring () For lternting current supply rectifier bridge is provided built-in the solenoid Internl terminl bord for cble connection Threded connection for cble entrnce, verticl (stndrd) or Horizontl (option /O). See section 6 for cble glnd EXPLOSION PROOF SOLENOIDS: TEMPERATURE DATA SOLENOID TYPE Method of protection PROPORTIONAL (with nd without trnsducer) Temperture clss (only for Group II) T4 T3 (option /7) T6 T4 (option /7) Surfce temperture Ambient temperture Ex d ON/OFF Group II, ATEX nd IECEx 35 C 00 C 85 C 35 C Group I, ATEX (mining) 50 C Rostechndzor 35 C 00 C 85 C 35 C Group II, ATEX nd IECEx C () C () C () C () Group I, ATEX (mining) Rostechndzor C C C C () The Group II solenoids re certified ccording to ATEX nd IECEx for minimum mbient temperture -40 C. In cse the complete vlve must withstnd with minimum mbient temperture of -40 C, select /BT in the model code E0
2 3 CERTIFICATIONS In the following re resumed the vlves mrking ccording to ATEX Group I, ATEX nd IECEx Group II, Rostechndzor certifictions. 3. GROUP II, ATEX = ATEX identifiction for explosive tmospheres equipments II = Group II for surfces plnts = High protection (equipment ctegory) GD = For gs, vpours nd dust Ex d = Flme proof housing IIC = Gs group T6/T4/T3 = Temperture clss of solenoid surfce Gb = Equipment protection level, high level protection for explosive Gs tmospheres Ex tb = Equipment protection by enclosure tb IIIC = Suitble for conductive dust (pplicble lso IIIB nd/or IIIA) Db = Equipment protection level, high level protection for explosive Dust tmospheres IP67 = Protection degree Zone (gs) nd (dust) = Possibility of explosive tmosphere during norml functioning Zone (gs) nd (dust) = Low probbility of explosive tmosphere EXAMPLE OF NAMEPLATE MARKING Notified body nd certificte number Mrking ccording to Atex Directive 3. GROUP II, IECEx EXAMPLE OF NAMEPLATE MARKING Ex d = Equipment for explosive tmospheres, flme proof housing IIC = Gs group T6/T4/T3 = Temperture clss of solenoid surfce tb = Dust igniction protection IIIC = Suitble for conductive dust (pplicble lso IIIB nd/or IIIA) Db = Equipment protection level, high level protection for explosive Dust tmospheres IP67= Protection degree Mrking ccording to IECEx Notified body nd certificte number 3.3 GROUP I, ATEX (mining) EXAMPLE OF NAMEPLATE MARKING = ATEX identifiction for explosive tmospheres equipments I = Group I for mines nd surfce plnts M= High protection (equipment ctegory) d = Flme proof housing I = Gs group (Methne) Mb = Equipment protection level, high level protection for explosive tmospheres Notified body nd certificte number Mrking ccording to ATEX Directive 3.4 ROSTECHNADZOR Rostechndzor certifiction cknowledges the whole ATEX Directive 94/9/EC. For this reson the solenoids report the ATEX nmeplte in ddition to the Rostechndzor one. This certifiction is vilble only for gs environment (not for dust). EXAMPLE OF NAMEPLATE MARKING = ATEX identifiction for explosive tmospheres equipments d = Flme proof housing IIC = Gs group T6/T4/T3 = Temperture clss of solenoid surfce Mrking ccording to ATEX Directive Notified body nd certificte number Rostechndzor certifiction Note: According to EN the vlves with Atex certifiction cn be coted with nonmetllic mteril (for ex. pintened), observing the mximum thickness: Group IIC = 0, mm mx WARNING: service work provided on the vlve by the end users or not qulified personnel invlidtes the certifiction
3 4 MODEL CODE OF SPOOL TYPE ON-OFF DIRECTIONAL SOLENOID VALVES DHA / IE 0 63 / / PA - GK / 7 4DC ** /* DHA = spool type - direct DPHA = spool type - piloted Optionl certifictions (omit for Group II ATEX) RU = Rostechndzor (Russin), Group II Vlve size (ISO 440) for DHA 0 = 06 for DPHA = 0 = 6 4 = 5 6 = 3 Vlve configurtion, DHA see section nd DPHA see section Spool type, DHA see section nd DPHA see section PA = with threted cble glnd, see section 6 GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) () Not for group I, Atex (mining) () Avilble only for DHA, configurtion 6, 63, 7 nd spool type 0, 0/,, P, /, /P, 3, 3P, 4, 7 Voltge code - see section Sels mteril: omit for NBR (minerl oil & wter glycol) Low temperture execution: BT = low temperture -40 C () 7 = for mbient temperture up to 70 C (not for Group I) A = solenoid t side of port B (for single solenoid vlves) MV = verticl hnd lever (only for DHA) () O = horizontl cble entrnce () WP = prolongued mnul override protected by metllic cp Only for DPHA: /D =Internl drin. /E =Externl pilot pressure. /H =Adjustble chokes (meter-out to the pilot chmbers of the min vlve). /H9 =Adjustble chokes (meter-in to the pilot chmbers of the min vlve). /R = Pilot pressure genertor (4 br on port P) /S = Min spool stroke djustment (not for DPHA-). 5 CONFIGURATIONS nd SPOOLS for DHA vlves Configurtions Spools Configurtions Spools /A / /A / 0 67/A / CONFIGURATIONS nd SPOOLS for DPHA vlves Configurtions Spools Configurtions Spools /A / /A / 0 67/A / NOTES: - For DP*- re vilble only spools: 0, 0/,, /, 3, 4, 5, 58, 6, 7 - For DP*-6 re vilble only spools: 0,,, 3, 4, 5, 58, 6, 7, 8, 9, 9 E0
4 7 MODEL CODE OF POPPET TYPE LEAK FREE DIRECTIONAL SOLENOID VALVES DLO H A / PA - GK - AO / 7 4DC ** /* Directionl control vlve poppet type, size 06 H = mx flow l/min K = mx flow 30 l/min = two wy (only for DLOH) 3 = three wy Vlve configurtion, see section A = open in rest position C = closed in rest position PA = with threted cble glnd, see section GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) 6 () Option /BT = low temperture -40 C lso vilble on request (not for group I Atex -mining-) Voltge code - see section 7 = for mbient temperture up to 70 C (not for Group I) O = horizontl cble entrnce (not for group I Atex) R = with check vlve on port P (only for DLOH) WP = prolongued mnul override protected by metllic cp Certifiction type AO = ATEX, Group II AO/ AO/ AO/ AO/RU = Rostechndzor (Russin), Group II Sels mteril (): omit for NBR (minerl oil & wter glycol) 8 CONFIGURATION OF DLOH/AO/* AND DLOK/AO/* DLOH-A DLOH-A/R DLOH-C DLOH-C/R DLOK-3A DLOH-3A DLOH-3A/R DLOH-3C DLOH-3C/R DLOK-3C 9 Q/Δp DIAGRAMS OF ON/OFF DIRECTIONAL CONTROLS (bsed on minerl oil ISO VG 46 t 50 C) DHA D B Flow direction Spool type P AP B A T B T P T 0 C C C C 0/,, / A A A A 3 A A C C 4, 5 D D D D A 6 A A C A 7 A A A C 8 C C B B Vlve type Flow direction P A() A T (P B) (B T) DLOH-A B DLOH-C C DLOH-3A D C DLOH-3C C A DLOK-3A G F DLOK-3C F E () For two-wy vlves pressure drop refers to P T vlve pressure drop vlve pressure drop Flow rte DLOH Flow rte 0 OPERATING LIMITS OF ON/OFF DIRECTIONAL CONTROLS (bsed on minerl oil ISO VG 46 t 50 C) D C B A A C vlve pressure drop DLOK Flow rte The digrm hve been obtined with wrm solenoids nd power supply t lowest vlue (Vnom-0%). For DHA vlves the curves refer to ppliction with symmetricl flow through the vlve (i.e. P A nd B T). In cse of symmetric flow the operting limits must be reduced. DHA DLOH INTERNAL LEAKAGE of DLOH nd DLOK less thn 5 drops/min (0,36 cm 3 /min) t mx pressure. DLOK G F E M A Inlet pressure V S Inlet pressure B Inlet pressure C D Flow rte M = Spools 0,, 8; V = Spools 4, 5. S = Spools 0/,/, 3, 6, 7; 0. Pressure limits: P, A, B = 350 br; T = 0 br Flow rte A = DLOH-3A; B = DLOH-A, DLOH-3C. C = DLOK-3A; D = DLOK-3C. Flow rte
5 MODEL CODE OF PRESSURE RELIEF VALVES AGAM 0 / 0 /0/00/00 / PA - NPT - AO / O 4 DC ** /* AGAM = pressure relief vlve: subplte mounting, see tb. C066 ARAM = pressure relief vlve: threted connections, see tb. C045 Vlve size for AGAM: 0 (ISO 664) 0 (ISO 664) 3 (ISO 664) for ARAM: 0 = G 3/4 3 = G /4 Number of the different setting pressure vlues: = one setting pressure = two setting pressure 3 = three setting pressure Vlve configurtion 0 = venting with de-energized solenoid = venting with energized solenoid = without venting Mx regulted pressure of first (second / third) setting see section PA = with threted cble clmp, see section () Option /BT = low temperture -40 C lso vilble on request (not for group I Atex -mining-) HYDRAULIC CHARACTERISTICS 6 GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) Series number Voltge Code, see section 7 = for mbient temperture up to 70 C (not for Group I) E = externl pilot O = horizontl cble entrnce (not for group I Atex) V = regulting hndweel WP = prolongued mnul override protected by metllic cp Y = externl drin Certifiction type AO = ATEX, Group II AO/ AO/ AO/ AO/RU = Rostechndzor (Russin), Group II Sels mteril (): omit for NBR (minerl oil & wter glycol) AGAM-**/0 ARAM-**/0 ARAM-**/0 AGAM-**/ AGAM-**/ ARAM-**/ AGAM-**/0 ARAM-**/0 AGAM-**/ ARAM-**/ AGAM-**/3 ARAM-**/3 Vlve model Size 0 Size 0 Size 3 Setting 50; 00; 0; 350 Mx pressure port P 350 Pressure rnge 4 50; 6 00; 7 0; Mx flow AGAM Mx flow ARAM MODEL CODE OF COVERS FOR CARTRIDGE VALVES LIDEW - / PA - GK - AO - O 4DC ** /* Cover type: LIDBH* = with solenoid vlve nd shuttle vlve for pilot selection LIDEW* = with solenoid vlve for pilot selection * = vlve configurtion (see H030 section ) Size (ISO 7368) = 6; 4 = 40; 8 = 80 (only for LIDEW); = 5; 5 = 50; 3 = 3; 6 = 63; PA = with threded cble glnd, see section 6 Voltge code - see section GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) 7 = for mbient temperture up to 70 C Certifiction type B = crtridge piloted vi port B of solenoid pilot vlve AO = Group II, ATEX E = externl ttchments X (/4" GAS) nd underneth port X AO/IE = Group II, IECEx supplied plugged (only forsizes ) AO/M = Group I, ATEX (mining) O = horizontl cble entrnce (not for group I Atex) AO/RU = Group II, Rostechndzor (Russin) WP = prolongued mnul override protected by metllic cp Note: for the code of the ISO crtridge to use with the bove covers see tb. H003, section nd tb. H030, section. () Option /BT = low temperture -40 C lso vilble on request (not for group I Atex -mining-) 4 HYDRAULIC SYMBOLS * Optionl different provision or setting of the clibrted plugs in the pilot chnnels see tble H030 sect. Sels mteril (): omit for NBR (minerl oil & wter glycol) LIDEW-* LIDEW-* LIDEW4-* LIDEW5-* LIDEW6-* LIDBHA-* LIDBHC-* LIDBHA-* LIDBHC-* E0
6 5 MODEL CODE OF PROPORTIONAL DIRECTIONAL VALVES DHZA DHZA = size 06 DKZA = size 0 DPZA = size 0 = size 6 = size 5 Optionl certifictions (omit for Group II ATEX) RU = Rostechndzor (Russin), Group II A = without integrl position trnsducer T = with integrl position trnsducer (not for DPZA) Vlve size (ISO 440) DHZA DKZA DPZA 0= size 06 = size 0 = size 0 = size 6 4= size 5 6= size 3 Configurtion, DHZA nd DKZA see section 6, DPZA see section 7 5 = externl plus centrl position, spring centered 7 = 3 position, spring centered Spool overlpping in centrl position, DHZA nd DKZA see section 6, DPZA see section 7 = P, A, B, T positive overlpping 3 = P positive overlpping; A, B, T, negtive Spool type L = liner; S = progressive; D = s S, but with P-A = Q, P-B = Q/ - / IE - T L 5 / PA - GK / 7 / * ** / * 7 = for mbient temperture up to 70 C (not for Group I) B = solenoid t side of port A (nd position trnsducer for -T version) C = position trnsducer with current feedbck 4 0 ma (only for -T) D = internl drin (only for DPZA) E = externl pilot (only for DPZA) G = pressure reducing vlve for piloting (only for DPZA) MV = verticl hnd lever (only for DHZA) () O = horizontl cble entrnce (only for -A, not for group I Atex) WP = prolongued mnul override protected by metllic cp (only for -A) Y = externl drin (only for DHZA nd DKZA) GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) PA = with threted cble glnd, see section 6 Omit for stndrd coil VDC: 4 = with 4 VDC coils (only A version) Spool size: DHZA nd DKZA see section 6, DPZA see section 7 () Option /BT = low temperture -40 C lso vilble on request only for vlves -A without integrl position trnsducer (not for group I Atex -mining-) () Option /MV vilble only for DHZA configurtion 5, 53, 7, spool type S3, S5, D3, D5, L3, L5 Sels mteril (): omit for NBR (minerl oil & wter glycol) 6 HYDRAULIC CHARACTERISTICS of DHZA nd DKZA (bsed on minerl oil ISO VG 46 t 50 C) Hydrulic symbols *7, *7/B *73, *73/B *5 *53 *5/B *53/B Vlve model DHZA-A DHZA-T DKZA-A DKZA-T Spool overlpping, 3, 3, 3, 3, 3, 3, 3 Spool type nd size () Mx flow t Δp = 0 br (P-T) t Δp = 30 br (P-T) mx permissible flow Response time () [ms] Hysteresis [%] Repetbility b L4 3 L b b b 4,5 8 S3, L3, D3 () Additionl spools nd configurtions for -T execution, see tble F7. () Response times t step signl (0% 00%) re mesured from 0% to 90% of step vlue nd re strictly referred to the vlve regultion S5, L5, D5 S3, L3, D3 S5, L5, D5 Pressure limits ports P, A, B = 350; T = 60 (50 with externl drin /Y) Δp mx P-T < 30 (A) 5% (A) ± % (A) S 8 4 < 5 (T) 0,% (T) ± 0,% (T) < 40 (A) 5% (A) ± % (A) < 0 (T) 0,% (T) ± 0,% (T) 7 HYDRAULIC CHARACTERISTICS OF DPZA (bsed on minerl oil ISO VG 46 t 50 C) Hydrulic symbols *7, *7/B *73 *5 *53 *5/B *53/B b b b b Vlve model Spool type nd size () Pressure limits Mx flow t Δp = 0 br t Δp = 30 br mx permissible flow Response time () [ms] Hysteresis [%] Repetbility L DPZA- DPZA- DPZA-4 DPZA-6 S5 D5 S3 D3 L5 S5 D5 L5 S5 D5 L5 S5 D < 80 5% ± % 00 : : : Ports P, A, B, X = 350; T = 50; Y = 0 30 : 80 5 : : < 00 5% ± % : : : (460) : 0 60 : : 80 < 0 5% ± % : : :00 () Additionl spools nd configurtions for -T execution, see tble F7. () Response times t step signl (0% 00%) re mesured from 0% to 90% of step vlue nd re strictly referred to the vlve regultion. ELECTRONIC DRIVERS TO BE USED WITH EX-PROOF PROPORTIONAL VALVES - Atos driver for proportionl vlves type -A (without trnsducer): E-ME-AC, see tb. G035 - Atos driver for proportionl vlves type -T (with trnsducer): E-ME-T, see tb. G40
7 8 MODEL CODE OF SERVOPROPORTIONAL VALVES DLHZA DLHZA = size 06 DLKZA = size 0 Optionl certifictions (omit for Group II ATEX) RU = Rostechndzor (Russin), Group II T = with integrl position trnsducer Vlve size (ISO 440) 0 = size 06 (DLHZA) = size 0 (DLKZA) / IE - T L 7 3 / PA - GK / 7 ** / * Sels mteril: omit for NBR (minerl oil & wter glycol) 7 = for mbient temperture up to 70 C (not for Group I) B = solenoid t side of port A C = position trnsducer with current feedbck 4 0 ma Y = externl drin Configurtion, see section 9 4 = spring offset with fil sfe 6 = spring offset GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) Spool overlpping in centrl position, see section 0 = P, A, B, T positive overlpping 9 PA = with threted cble glnd, see section 6 Fil sfe configurtion: = A, B, P, T with positive overlpping Spool type 3 = P positive overlpping; A, B, T negtive L = liner; T = not liner (); D = different-liner (); V = progressive; DT = s D but with non-liner regultion (); Spool size: see section 9 () Spool type D, DT nd T re vilble only for vlve with fil sfe position DLHZA-*-040 nd DLKZA-* HYDRAULIC CHARACTERISTICS (bsed on minerl oil ISO VG 46 t 50 C) Hydrulic symbols b *40-L*3 *40-D*3 *40-DT*3 *40-T*3 *40-V*3 b *40-L* *40-D* *40-DT* *40-T* *40-V* b *60-L* *60-V* *40-L*3/B *40-D*3/B *40-DT*3/B *40-T*3/B *40-V*3/B *40-L*/B *40-D*/B *40-DT*/B *40-T*/B *40-V*/B *60-L*/B *60-V*/B Vlve model Pressure limits DLHZA-T* ports P, A, B = 350; T = 0 (50 with externl drin /Y) DLKZA-T* ports P, A, B = 35; T = 0 (50 with externl drin /Y) Spool L0 L V L3 V3 L5 T5 L7 T7 V7 D7 DT7 L3 L7 T7 V7 D7 DT7 Mx flow () t Δp = 30 br t Δp = 70 br mx permissible flow Lekge [cm 3 /min] t P = 00 br () Fil sfe connections Lekge [cm 3 /min] Fil sfe t P = 00 br (3) Fil sfe 3 DLHZA Flow (4) Fil sfe 3 DLKZA Response time [ms] Hysteresis [%] Therml drift Notes:, , P A P B A T B T ,% 5 0,% zero point displcement < % t ΔT = 40 C <00 <00 <00 <300 <50 <500 <00 <900 <00 <00 <700 <00 <000 <500 <400 <400 <00 <400 Above performnce dt refer to vlves coupled with Atos electronic drivers, see tble G40. The flow regulted by the directionl proportionl vlves is not pressure compensted, thus it is ffected by the lod vritions.to keep costnt the regulted flow under different lod conditions, modulr pressure compenstors re vilble (see tb. D50). () For different Δp, the mx flow is in ccordnce to the digrms in section 3. () Referred to spool in neutrl position nd 50 C oil temperture. (3) Referred to spool in fil sfe position nd 50 C oil temperture. (4) Referred to spool in fil sfe position t Δp = 35 br per edge nd 50 C oil temperture. E0
8 0 MODEL CODE OF PRESSURE COMPENSATED PROPORTIONAL FLOW CONTROL VALVES QVHZA = size 06 QVKZA = size 0 QVHZA / IE - T - 06 Optionl certifictions (omit for Group II ATEX) RU = Rostechndzor (Russin), Group II A = without position trnsducer T = with integrl position trnsducer Vlve size (ISO 440) QVHZA: 06 QVKZA: 0 Mx regulted flow: QVHZA 3 = 3,5 l/min; 36 = 36 l/min; = l/min 45 = 45 l/min; 8 = 8 l/min; PA = with threted cble clmp, see section 6 QVKZA 65 = 65 l/min 90 = 90 l/min / / PA - GK /* /* ** /* Sels mteril (): omit for NBR (minerl oil & wter glycol) Omit for stndrd coil VDC: 4 = with 4 VDC coils (only A version) 7 = for mbient temperture up to 70 C (not for Group I) C = current feedbck signl 4 0 ma (only for -T versions) D = quick venting (only for -A versions) O = horizontl cble entrce (only for -A versions, not for group I Atex) WP= prolongued mnul override protected by metllic cp (only for -A versions) GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) () Option /BT = low temperture -40 C lso vilble on request only for vlves -A without integrl position trnsducer (not for group I Atex -mining-) HYDRAULIC CHARACTERISTICS (bsed on minerl oil ISO VG 46 t 50 C) Hydrulic symbols B B Note: QVHZA-A QVHZA-T In three-wy versions port P is open. P In two-wy versions port P must be plugged. QVKZA-A P QVKZA-T Port T must lwys be plugged. A A Vlve model QVHZA-A QVHZA-T QVKZA-A QVKZA-T Vlve size Mx pressure ports P, A, B Mx regulted flow Min regulted flow () Regulting Δp Mx flow on port A [cm 3 /min] 0 3, , Above performnce dt refer to vlves coupled with Atos electronic drivers. () Vlues re referred to 3-wy configurtion. In the -wy configurtion, the vlues of min regulted flow re higher. MODEL CODE OF PROPORTIONAL PRESSURE RELIEF AND COMPENSATOR VALVES RZMA / IE A 00 / 50 / PA - GK /* /* ** /* Pressure relief: RZMA = subplte size 06 HZMA = modulr size 06 AGMZA= subplte size 0, 0, 3 LIMZA = crtridge () Pressure compenstor: LICZA = crtridge () Optionl certifictions (omit for Group II ATEX) RU = Rostechndzor (Russin), Group II A = without integrl pressure trnsducer Vlve size: see section 3 for size code Mx regulted pressure: see section 3 Optionl cble glnd PA = with threted cble clmp, see section 6 () For the code of the ISO crtridge to use with LIMZA nd LICZA, see tb. F300 section. () Option /BT = low temperture -40 C lso vilble on request (not for group I Atex -mining-) Omit for stndrd coil VDC: 4 = with 4 VDC coils 7 = for mbient temperture up to 70 C (not for Group I) E = externl pilot (only for AGMZA) O = horizontl cble entrce ( not for group I Atex) P = with integrl mechnicl pressure limiter (only for LI*ZA) Y = externl drin (only for AGMZA) Solenoid threted connection: GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) Sels mteril (): omit for NBR (minerl oil & wter glycol) 3 HYDRAULIC CHARACTERISTICS RZMA-00 RZMA-030 HZMA AGMZA LIMZA LICZA Vlve model Size code Vlve size Mx regulted pressure Mx pressure t port P, A, B, X Mx pressure t port T, Y Mx flow RZMA HZMA AGMZA LIMZA LICZA ; 80;
9 4 MODEL CODE OF PROPORTIONAL PRESSURE REDUCING VALVES RZGA / * A 00 / 0 Pressure reducing: RZGA = subplte size 06 HZGA = modulr size 06 KZGA = modulr size 0 AGRCZA = subplte size 0, 0 LIRZA = crtridge Optionl certifictions (omit for Group II ATEX) RU = Rostechndzor (Russin), Group II A = without integrl trnsducer Vlve size: see section 5 for size code Mx regulted pressure: see section 5 Optionl cble glnd PA = with threted cble clmp, see section 6 / PA - GK /* /* ** /* Omit for stndrd coil VDC: 4 = with 4 VDC coils 7 = for mbient temperture up to 70 C (not for Group I) O = horizontl cble entrce (not for group I Atex) P = with integrl mechnicl pressure limiter (only for AGRCZA nd LIRZA) R = with check vlve (only for AGRCZA) GK = GK-/ ISO/UNI-65 (tpered) NPT = / NPT ANSI B. (tpered) M = M0x,5 UNI-4535 (6H/6g) Sels mteril (): omit for NBR (minerl oil & wter glycol) Note: for the code of the ISO crtridge to use with LIRZA, see tb. F300 section. () Option /BT = low temperture -40 C lso vilble on request (not for group I Atex -mining-) 5 HYDRAULIC CHARACTERISTICS RZGA-A-00 RZGA-A-033 HZGA-A-03 KZGA-A-03 AGRCZA-A LIRZA-A Vlve model Size code Vlve size Mx regulted pressure Min regulted pressure Mx pressure t port P Mx pressure t port T Mx flow RZGA HZGA KZGA AGRCZA LIRZA ; 00; 0 80; 80; 50 0, CABLE GLAND CABLE GLAND SP-PA9/* CABLE GLAND SP-PAM9/* - for vlves with mining certifiction (PG9 - IP67) The cble glnds re vilble on request certified ATEX ccording to EN nd EN PA9 cble size 7 9,5 mm PA cble size 9 mm Following codes hve to be specified for spre cble glnds: SP-PA(M)9/GK = with threted connection GK-/ ISO/UNI-65 (tpered) SP-PA(M)9/NPT= with threted connection / NPT ANSI B. (tpered) SP-PA(M)9/M = with threted connection M0x,5 UNI-4535 (6H/6g). This cble glnd must be blocked with loctite or similr or with locking nut. Note: specil cble clmps PA (PG) vilble on request only s spre prts. The vlves must be connected to the power supply using the terminl bord inside the solenoid. The cble must be suitble for the working temperture s specified in the sfety instructions delivered with the first supply of the products. Additionl equipotentil grounding cn be lso performed by the user on the externl fcility provided on the solenoid cse. Minimum section of externl ground wire = 4 mm. Minimum section of internl ground wire = the sme of supply wire. In order to rech the terminl bord inside the solenoid, the top plte of the solenoid must be removed. Solenoids re provided with threted connection for cble entrnce: GK-/" GAS (ISO/UNI 65) or M0x,5 (UNI-4535) or /"NPT (ANSI B.) E0
10 7 SOLENOIDS DIMENSIONS AND WIRING OA OAI OA/M OZA-A OZAI-A OZA/M-A OZA-T OZAI-T OZA/M-T * * only for OA nd OA/M Option /WP Option /O Option /OWP Option /O Option /MV = screw terminl for dditionl equipotentil grounding = Solenoid wiring = Position trnsducer wiring = Coil =GND 3 = Coil = Output signl = Supply -5 V 3 = Supply +5 V 4 =GND /
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