Ex-proof proportional valves multicertification ATEX, IECEx, EAC

Transcription

1 Tble F600-5/E Ex-proof proportionl vlves multicertifiction ATEX, IECEx, EAC 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 ON-OFF vlves without integrl digitl drivers, see tble E120 Proportionl vlves equipped with explosion-proof solenoids vilble with following multicertifictions: Multicertifictions for solenoids group II for surfce plnts with gs, vpours nd dust environment ATEX 94/9/EC Ex II 2G Ex d IIC T4/T3 Gb Ex II 2D Ex tb IIIC T135 C/T200 C Db IECEx worldwide recognized certifiction Ex d IIC T4/T3 Gb Ex tb IIIC T135 C/T200 C Db EAC EurAsin Certifiction Ex II 2G Exd IIC T4/T3 Multicertifictions for solenoids group I for surfce, tunnels or mining plnts ATEX 94/9/EC: Ex I M2 Ex d I Mb IECEx: I M2 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. 1 EXPLOSION PROOF SOLENOIDS: MAIN DATA SOLENOID TYPE without trnsducer PROPORTIONAL with trnsducer Solenoid Multicertifiction for Group II OZA-A OZA-T code Multicertifiction for Group I (mining) OZAM-A OZAM-T Voltge VDC ±10% 12 DC, 24 DC 12 DC code VAC 50/60 Hz ±10% - Power consumption Coil insultion Protection degree 35W Clss H IP 66/67 According to IEC 144 when correctly coupled with the relevnt cble glnd PA*, see section 26 Duty fctor 100% Mechnicl construction Cble entrnce nd electricl wiring Flme proof housing clssified Ex d, ccording to EN : 2006, EN : 2007 Internl terminl bord for cble connection. Threded connection for cble entrnce, verticl (stndrd) or horizontl (option /O). See section 26 for cble glnd Method of protection Ex d Temperture clss (only for Group II) T4 (with nd without trnsducer) T3 (with nd without trnsducer) Surfce Multicertifiction for Group II 135 C 200 C temperture Multicertifiction for Group I (mining) 150 C Ambient Multicertifiction for Group II C (1) C (1) temperture Multicertifiction for Group I (mining) (1) 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 2 MAIN CHARACTERISTICS, SEALS AND HYDRAULIC FLUID - for other fluids not included in bove tble, consult our technicl office Assembly position / loction Any position for ll vlves Subplte surfce finishing Roughness index R 0,4 - fltness rtio 0,01/100 (ISO 1101) NBR sels (stndrd) = -20 C +60 C, with HFC hydrulic fluids = -20 C +50 C Sels, recommended fluid temperture FKM sels (/PE option)= -20 C +80 C HNBR sels (/BT option)= -40 C +60 C, with HFC hydrulic fluids = -40 C +50 C Recommended viscosity mm 2 /s - mx llowed rnge mm 2 /s Fluid contmintion clss ISO 4406 clss 21/19/16 NAS 1638 clss 10, in line filters of 25 μm (β10 _>75 recommended) Hydrulic fluid Suitble sels type Clssifiction Ref. Stndrd Minerl oils NBR, FKM, HNBR HL, HLP, HLPD, HVLP, HVLPD DIN Flme resistnt without wter Flme resistnt with wter FKM NBR, HNBR HFDU, HFDR HFC ISO F600

2 3 CERTIFICATIONS In the following re resumed the vlves mrking ccording to ATEX Group I, ATEX nd IECEx Group II, EAC certifictions. 3.1 GROUP II, ATEX mrking II 2 G = Solenoid for surfce plnts with gs nd vpors environment, ctegory 2, suitble for zone 1 nd zone 2 II C = Equipment of group IIC suitble for substnces (gs) of group IIC T4/T3 = Solenoid temperture clss (mximum surfce temperture) Gb = Equipment protection level, high level protection for explosive Gs tmospheres = Mrk of conformity to the pplicble Europen directives II 2 D = Solenoid for surfce plnts with dust environment, ctegory 2, suitble for zone 21 nd zone 22 III C = Suitble for conductive dust (pplicble lso IIIB nd/or IIIA) IP66/67 = Protection degree T135 C/T200 C = Mximum surfce temperture (Dust) Db = Equipment protection level, high level protection for explosive Dust tmospheres = Mrk of conformity to the 94/9/CE directive nd to the technicl norms 3.2 GROUP II, IECEx mrking IIC = Equipment of group IIC suitble for substnces (gs) of group IIC T4/T3 = Solenoid temperture clsses (Gs) 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) T135 C/T200 C = Mximum surfce temperture (Dust) Db = Equipment protection level, high level protection for explosive Dust tmospheres IP66/67 = Protection degree Atex notified body nd certificte Mrking ccording to ATEX Directive IECEx notified body nd certificte Mrking ccording to IECEx Directive Russin notified body nd certificte Mrking ccording to ATEX Directive EXAMPLE OF NAMEPLATE MARKING 3.3 EAC mrking EAC (EurAsin Certifiction) cknowledges the whole ATEX Directive 94/9/EC. This certifiction is vilble only for gs environment (not for dust). II 2 G = Solenoid for surfce plnts with gs nd vpors environment, ctegory 2, suitble for zone 1 nd zone 2 II C = Equipment of group IIC suitble for substnces (gs) of group IIC T4/T3 = Solenoid temperture clss (mximum surfce temperture) = Mrk of conformity to the 94/9/CE directive nd to the technicl norms Note: According to EN the vlves with Atex certifiction cn be coted with non-metllic mteril (for ex. pintened), observing the mximum thickness: Group IIC = 0,2 mm mx 3.4 GROUP I, ATEX (mining) EXAMPLE OF NAMEPLATE MARKING = ATEX identifiction for explosive tmospheres equipments I = Group I for mines nd surfce plnts M2 = High protection (equipment ctegory) I = Gs group (Methne) Mb = Equipment protection level, high level protection for explosive tmospheres IP66/67 = Protection degree 3.5 GROUP I, IECEx (mining) I = Group I for mines nd surfce plnts M2 = High protection (equipment ctegory) I = Gs group (Methne) Mb = Equipment protection level, high level protection for explosive tmospheres IP66/67 = Protection degree Atex notified body nd certificte Mrking ccording to Atex Directive IECEx notified body nd certificte Mrking ccording to IECEx Directive WARNING: service work provided on the vlve by the end users or not qulified personnel invlidtes the certifiction

3 4 MODEL CODE OF PROPORTIONAL DIRECTIONAL VALVES DHZA / * - T L 5 - GK / * / * ** / * DHZA = size 06 DKZA = size 10 Optionl multicertifictions A = without integrl position trnsducer T = with integrl position trnsducer Vlve size (ISO 4401) DHZA DKZA 0= size 06 1= size 10 Configurtion, see section 5 = externl plus centrl position, spring centered 7 = 3 position, spring centered Series Sels mteril, see section : Omit for stndrd coil 12 VDC: 24 = with 24 VDC coils (only A version) B =solenoid t side of port A (nd position trnsducer for -T version) C =position trnsducer with current feedbck 4 20 ma (only for -T version) MV = verticl hnd lever (only for DHZA) (1) O =horizontl cble entrnce (only for -A, not for group I) WP = prolongued mnul override protected by metllic cp (only for -A) Y = externl drin (only for DHZA - DKZA) Spool overlpping in centrl position, see section 1 = P, A, B, T positive overlpping 3 = P positive overlpping; A, B, T, negtive Solenoid threded connection for cble glnd: GK = GK-1/2 ISO/UNI-6125 (tpered) NPT = 1/2 NPT ANSI B2.1 (tpered) Spool type L = liner; S = progressive; D = s S, but with P-A = Q, P-B = Q/2 Spool size: see section 5 (1) Option /MV vilble only for DHZA configurtion 51, 53, 71, spool type S3, S5, D3, D5, L3, L5 5 HYDRAULIC CHARACTERISTICS of DHZA nd DKZA (bsed on minerl oil ISO VG 46 t 50 C) Hydrulic symbols *71 *73 *51 *53 *51/B *53/B b b b b Vlve model DHZA-A DHZA-T DKZA-A DKZA-T Spool overlpping 1, 3 1, 3 1, 3 1, 3 1, 3 1, 3 1, 3 Spool type nd size (1) L14 L1 S2 S3, L3, D3 S5, L5, D5 S3, L3, D3 S5, L5, D5 Pressure limits ports P, A, B = 350; T = 160 (250 with externl drin /Y) Δp mx P-T Mx flow t Δp = 10 br (P-T) t Δp = 30 br (P-T) mx permissible flow Response time (2) [ms] Hysteresis [%] , < 30 (A) 5% (A) < 15 (T) 0,2% (T) < 40 (A) 5% (A) < 20 (T) 0,2% (T) Repetbility ± 1% (A) ± 0,1% (T) ± 1% (A) ± 0,1% (T) (1) Additionl spools nd configurtions for -T execution, see tble F172. (2) Response times t step signl (0% 100%) re mesured from 10% to 90% of step vlue nd re strictly referred to the vlve regultion F600

4 6 MODEL CODE OF PROPORTIONAL DIRECTIONAL VALVES DPZA / * - T L 5 - GK / * / * ** / * DPZA = spool type - piloted Optionl multicertifictions A = without integrl position trnsducer T = with integrl position trnsducer Vlve size (ISO 4401) 1= size 10 2= size 16 4= size 25 6= size 32 Configurtion, see section 5 = externl plus centrl position, spring centered 7 = 3 position, spring centered Series Sels mteril, see section : Omit for stndrd coil 12 VDC: 24 = with 24 VDC coils (only A version) B =solenoid t side of port A (nd position trnsducer for -T version) C =position trnsducer with current feedbck 4 20 ma (only for -T version) D =internl drin E =externl pilot G =pressure reducing vlve for piloting O =horizontl cble entrnce (only for -A, not for group I) WP = prolongued mnul override protected by metllic cp (only for -A) Spool overlpping in centrl position, see section 1 = 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/2 Solenoid threded connection for cble glnd: GK = GK-1/2 ISO/UNI-6125 (tpered) NPT = 1/2 NPT ANSI B2.1 (tpered) Spool size: see section 7 HYDRAULIC CHARACTERISTICS OF DPZA (bsed on minerl oil ISO VG 46 t 50 C) Hydrulic symbols *71 *73 *51 *53 *51/B *53/B b b b b Vlve model Spool type nd size Pressure limits Mx flow t Δp = 10 br t Δp = 30 br mx permissible flow Response time (1) [ms] Hysteresis [%] Repetbility L DPZA-1 DPZA-2 DPZA-4 DPZA-6 S5 D5 S3 D3 L5 S5 D5 L5 S5 D5 L5 S5 D < 80 5% ± 1% 100 : : : 110 Ports P, A, B, X = 350; T = 250; Y = 0 (1) Response times t step signl (0% 100%) re mesured from 10% 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. G : : : < 100 5% ± 1% : : : : : : 470 < 120 5% ± 1% : : :800 F600

5 8 MODEL CODE OF SERVOPROPORTIONAL VALVES DLHZA / * - T L GK / * ** / * DLHZA = size 06 DLKZA = size 10 Optionl multicertifictions T = with integrl position trnsducer Series Sels mteril, see section : B = solenoid t side of port A C = position trnsducer with current feedbck 4 20 ma Y = externl drin Vlve size (ISO 4401) 0 = size 06 (DLHZA) 1 = size 10 (DLKZA) Configurtion, see section 9 40 = zero overlp spring offset with fil sfe 60 = zero overlp spring offset Spool type L = liner; T = not liner (1); D = different-liner (1); V = progressive; DT = s D but with non-liner regultion (1); Solenoid threded connection for cble glnd: GK = GK-1/2 ISO/UNI-6125 (tpered) NPT = 1/2 NPT ANSI B2.1 (tpered) Fil sfe configurtion: 1 = A, B, P, T with positive overlpping 3 = P positive overlpping; A, B, T negtive Spool size: see section 9 (1) 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*1 *40-D*1 *40-DT*1 *40-T*1 *40-V*1 b *60-L*1 *60-V*1 *40-L*3/B *40-D*3/B *40-DT*3/B *40-T*3/B *40-V*3/B *40-L*1/B *40-D*1/B *40-DT*1/B *40-T*1/B *40-V*1/B *60-L*1/B *60-V*1/B Vlve model Pressure limits DLHZA-T* ports P, A, B = 350; T = 210 (250 with externl drin /Y) DLKZA-T* ports P, A, B = 315; T = 210 (250 with externl drin /Y) Spool L0 L1 V1 L3 V3 L5 T5 L7 T7 V7 D7 DT7 L3 L7 T7 V7 D7 DT7 Mx flow (1) t Δp = 30 br t Δp = 70 br mx permissible flow Lekge [cm 3 /min] t P = 100 br (2) Fil sfe connections Lekge [cm 3 /min] Fil sfe 1 t P = 100 br (3) Fil sfe 3 DLHZA Flow (4) Fil sfe 3 DLKZA Response time [ms] Hysteresis [%] Therml drift Notes: 2, , P A P B A T B T ,1% 15 0,1% zero point displcement < 1% t ΔT = 40 C <100 <200 <100 <300 <150 <500 <200 <900 <200 <200 <700 <200 <1000 <1500 <400 <400 <1200 <400 Above performnce dt refer to vlves coupled with Atos electronic drivers, see tble G140. 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. D150). (1) For different Δp, the mx flow is in ccordnce to the digrms in section 13.2 (2) 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.

6 10 MODEL CODE OF PRESSURE COMPENSATED PROPORTIONAL FLOW CONTROL VALVES QVHZA / * - T - 06 / 12 - GK / * / * ** / * QVHZA = size 06 QVKZA = size 10 Optionl multicertifictions A = without position trnsducer T = with integrl position trnsducer Vlve size (ISO 4401) QVHZA: 06 QVKZA: 10 Mx regulted flow: QVHZA 3 = 3,5 l/min; 36 = 36 l/min; 12 = 12 l/min 45 = 45 l/min; 18 = 18 l/min; QVKZA 65 = 65 l/min 90 = 90 l/min Series C = current feedbck signl 4 20 ma (only for -T version) D = quick venting (only for -A version) O = horizontl cble entrce (only for -A version, not for group I) WP= prolongued mnul override protected by metllic cp (only for -A version) Solenoid threded connection for cble glnd: GK = GK-1/2 ISO/UNI-6125 (tpered) NPT = 1/2 NPT ANSI B2.1 (tpered) Sels mteril, see section : Omit for stndrd coil 12 VDC: 24 = with 24 VDC coils (only A version) 11 HYDRAULIC CHARACTERISTICS (bsed on minerl oil ISO VG 46 t 50 C) Hydrulic symbols Note: In 3-wy versions port P is open In 2-wy versions port P must be plugged Port T must lwys be plugged Mx regulted flow Min regulted flow (1) Regulting Δp Mx flow on port A [cm 3 /min] QVHZA-A QVKZA-A Vlve model QVHZA-A QVHZA-T QVKZA-A QVKZA-T Vlve size Mx pressure ports P, A, B Above performnce dt refer to vlves coupled with Atos electronic drivers. (1) Vlues re referred to 3-wy configurtion. In the 2-wy configurtion, the vlues of min regulted flow re higher. 12 MODEL CODE OF PROPORTIONAL PRESSURE RELIEF AND COMPENSATOR VALVES Pressure relief: RZMA = subplte size 06 HZMA = modulr size 06 AGMZA= subplte size 10, 20, 32 LIMZA = crtridge (1) Pressure compenstor: LICZA = crtridge (1) Optionl multicertifictions A = without integrl pressure trnsducer Vlve size: see section for size code Mx regulted pressure: see section B A P 210 QVHZA-T QVKZA-T 3, , RZMA / * - A / GK / * / * ** / * B A P Series Omit for stndrd coil 12 VDC: 24 = with 24 VDC coils E = externl pilot (only for AGMZA) O = horizontl cble entrce (not for group I) P = with integrl mechnicl pressure limiter (only for LI*ZA, stndrd for size 1, 2, 3) Y = externl drin (only for AGMZA) Solenoid threded connection for cble glnd: GK = GK-1/2 ISO/UNI-6125 (tpered) NPT = 1/2 NPT ANSI B2.1 (tpered) Sels mteril, see section : 13 HYDRAULIC CHARACTERISTICS RZMA-010 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 ; 180; F600

7 14 MODEL CODE OF PROPORTIONAL PRESSURE REDUCING VALVES RZGA / * - A / GK / * / * ** / * Pressure reducing: RZGA = subplte size 06 HZGA = modulr size 06 KZGA = modulr size 10 AGRCZA = subplte size 10, 20 LIRZA = crtridge Optionl multicertifictions Series Sels mteril, see section : Omit for stndrd coil 12 VDC: 24 = with 24 VDC coils (only A version) A = without integrl trnsducer Vlve size: see section 15 for size code Mx regulted pressure: see section 15 O = horizontl cble entrnce (not for group I Atex) P = with integrl mechnicl pressure limiter (only for AGRCZA nd LIRZA) R = with check vlve (only for AGRCZA) Solenoid threded connection for cble glnd: GK = GK-1/2 ISO/UNI-6125 (tpered) NPT = 1/2 NPT ANSI B2.1 (tpered) Note: for the code of the ISO crtridge to use with LIRZA, see tb. F300 section 15 HYDRAULIC CHARACTERISTICS RZGA-A-010 RZGA-A-033 HZGA-A-031 KZGA-A-031 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 ; 100; ; 180; 250 0, CABLE GLANDS - only for Group II - to be ordered seprtely - see technicl tble K600 Wiring specifictions 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 2. Minimum section of internl ground wire = the sme of supply wire.

8 17 SOLENOIDS DIMENSIONS AND WIRING OZA-A OZA/M-A OZA-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 1 = Coil 2 =GND 3 = Coil 1 = Output signl 2 = Supply -15 V 3 = Supply +15 V 4 =GND 07/15