Table EX5/E Replaces E/E E5/E Exproof ISO cartridge valves multicertification TEX, IECEx, EC or North merican certification CULUS directional control, ISO 7 Functional cover Poppet Sleeve Spring Ex proof pilot valve MODEL CODE OF COVERS to be coupled with cartridge in section 5 LI D EW Y X LIDEW/*O SC LI* Directional ISO cartridge valves equipped with exproof solenoid pilot valve, certified for safe operation in hazardous environments, with potentially explosive atmosphere Certifications: Multicertification TEX, IECEx and EC for gas group II G and dust category II D Multicertification TEX and IECEx for gas group I M (mining) CULUS North merican certification for gas group C&D The flameproof solenoid enclosure prevents the propagation of accidental internal sparks or fire to the external environment The solenoid is also designed to limit its surface temperature within the classified limits LIDEW: directional control with exproof solenoid valve for pilot selection LIDH: directional control with exproof solenoid valve and shuttle valve for pilot selection Size to (ISO 7) Flow to l/min at p 5 bar Max pressure: 5 bar / M O / * DC ** / * * Cover according to ISO 7 D = directional function Optional different setting of the calibrated plugs in the pilot channels see sect EW = with pilot solenoid valve H = as EW plus shuttle valve for pilot selection Cover configuration see section LIDEW:,,,, 5, LIDH:, C,, C Size (ISO 7) = = 5 = 5 = 5 = = Series number Seals material, see section : = NR PE = FKM T = HNR () Solenoid threaded connection for cable gland fitting: GK = GK/ not for CULUS M = Mx,5 not for CULUS NPT = / NPT Certification type O =Multicertifications for Group II G / II D () O/M =Multicertifications for Group I M, TEX (mining) O/UL = CULUS North merican certification Voltage code see section 9 Options: = cartridge piloted via port of solenoid pilot valve E = external attachments X (/" GS) and underneath port X supplied plugged (only for sizes ) O = horizontal cable entrance () WP = manual override protected by metallic cap () Not for multicertification M group I (mining) () The valves with Multicertification for Group II are also certified according to Indian petroleum and Explosion Safety Certification PESO The PESO certificate can be downloaded from wwwatoscom catalog on line, technical information section The pressure at T port makes difficult the manual override operation that can be possible only if its value is lower than 5 bar EX5
VLVES CONFIGURTIONS ND HYDRULIC SYMOLS LIDEW LIDEW* LIDEW* LIDEW* LIDEW5* LIDEW* LIDH LIDH* LIDHC* LIDH* LIDHC* OPTIONS For LIDEW*, LIDH* covers (sizes ): /E = with external attachments Pp and underneath port X supplied plugged; For all the models: / = cartridge piloted via port of solenoid pilot valve; /F = prearranged for coupling to an intermediate element with poppet position detector for safety function See tab EY /WP = prolonged manual override protected by rubber cap for solenoid pilot valve See table K5 *** = Calibrated plugs different from standard ones reported in section The restrictors configuration (if different from the standard) must be indicated at the end of the model code: LIDEW /* O DC ** P Channel where the orifice has to be provided: P = channel X, port P Z = channel Z F = channel F Z = channel Z Size of the throttling hole in teths of millimeters: 5 =,5 mm =, mm 7 =,7 mm =, mm =, mm =, mm =, mm 5 =,5 mm STNDRD ORIFICES CONFIGURTION Cover LIDEW* LIDEW* LIDEW* LIDEW* Port LIDH* LIDH* LIDH* LIDH* Z (only for LIDH**) M M M M 5 7 M P M M M 5 7 M M = screw size; = calibrated orifices diameter in tenths of mm; = short calibrated hole LIDEW*5 LIDH*5 M M LIDEW* LIDH* M M
5 MODEL CODE OF SLIPIN CRTRIDGES, to be coupled with covers in section SC LI /* Cartridge valve Size (ISO 7): 5 5 High flow: = all sizes Seals material: = NR PE = FKM T = HNR Type of poppet, see section for maximum flow, = as but with dumping nose = as but with dumping nose Spring cracking pressure: =, bar for poppet, ; =, bar for poppet, ; =,5 bar for poppet, ; = bar for all poppets = 5,5 bar for all poppets TYPE OF POPPET Type of poppet Functional sketch (Hydraulic symbol) Operating pressure Size Nominal flow 5 at p 5bar (l/min) see diagrams Q/ p 5 at section 9 P P P bar max (only SCLI cartridge) 7 7 55 55 5 5 7 7 5 5 P Typical section rea ratio :p Cracking pressure Cracking pressure Spring Spring :, :,5 :, :,5, bar, bar, bar, bar,5 bar,5 bar bar,5 bar bar,5 bar bar bar bar bar,9 bar bar,9 bar, bar, bar bar, bar 9 bar 59, bar 9 bar bar, bar bar 59, bar 7 GENERL CHRCTERISTICS ssembly position / location ny position Subplate surface finishing Roughness index Ra, flatness ratio,/ (ISO ) MTTFd values according to EN ISO 9 75 years, for further details see technical table P7 mbient temperature Standard = C +7 C /PE option = C +7 C /T option = C +7 C Storage temperature range Standard = C + C /PE option = C + C /T option = C +7 C Surface protection Zinc coating with black passivation (cover and solenoid pilot valve) Compliance Explosion proof protection, see section HYDRULIC CHRCTERISTICS Functional cover operating pressure port,, X, Z, Z = 5; port Y = Rated flow see section EX5
9 ELECTRICL CHRCTERISTICS Valve type VDC ±% Voltage code () VC 5/ Hz ±% Power consumption at C Coil insulation Protection degree with relevant cable gland Duty factor LIDEW*/O LIDH*/O LIDEW*/O/M LIDH*/O/M DC, DC, DC, DC, DC, 5DC, DC C, C, C, C W class H IP/7 to DIN EN59 % LIDEW*/O/UL LIDH*/O/UL DC, DC, DC, 5DC, DC C, C, C, C W raintight enclosure, UL approved () For alternating current supply a rectifier bridge is provided builtin the solenoid For power supply frequency Hz, the nominal supply voltage of solenoids C and C must be 5/ and / respectively SELS ND HYDRULIC FLUIDS for other fluids not included in below table, consult our technical office Seals, recommended fluid temperature NR seals (standard) = C + C, with HFC hydraulic fluids = C +5 C FKM seals (/PE option) = C + C HNR seals (/T option) = C + C, with HFC hydraulic fluids = C +5 C Recommended viscosity 5 mm /s max allowed range 5 mm /s Fluid contamination class ISO class /9/ NS class, in line filters of 5 µm (β5 _>75 recommended) Hydraulic fluid Suitable seals type Classification Ref Standard Mineral oils NR, FKM, HNR HL, HLP, HLPD, HVLP, HVLPD DIN 55 Flame resistant without water FKM HFDU, HFDR Flame resistant with water NR, HNR HFC ISO 9 The ignition temperature of the hydraulic fluid must be 5 C higher than the max solenoid surface temperature () Performance limitations in case of flame resistant fluids with water: max operating pressure = bar max fluid temperature = 5 C EXPROOF SOLENOIDS CERTIFICTION DT Valve type LIDEW*/O LIDH*/O LIDEW*/O/M LIDH*/O/M LIDEW*/O/UL LIDH*/O/UL Certifications TEX IECEx EC TEX IECEx CULUS Multicertification Group II Multicertification Group I North merican CULUS Solenoid certified code Type examination certificate () O O/M O/EC TEX: CESI TEX IECEx: IECEx CES x EC: TC RU CIT 7 TEX: CESI TEX 57x IECEx: IECEx CES 7x 7 E Method of protection Temperature class Surface temperature mbient temperature () Mechanical construction Flameproof enclosure Ex d Cable entrance: threaded connection vertical (standard) or horizontal (option /O) TEX //EU Ex II G Ex d IIC T/T/T Gb Ex II D Ex tb IIIC T5 C/T C Db IECEx Ex d IIC T/T/T Gb Ex tb IIIC T5 C/T C Db EC Ex II G Exd IIC T/T T 5 C +5 C T 5 C +7 C 5 C +7 C EN 79:, EN 79: 7 GK = GK/ M = Mx,5 NPT = / NPT TEX //EU Ex I M Ex db I Mb IECEx Ex db I Mb UL Class I, DivI, Groups C & D Class I, Zone I, Groups II & II T T5 5 C C +55 C +7 C UL and UL9, CS n 9 CS n 9 / NPT NSI/SME () The type examinator certificates can be downloaded from wwwatoscom catalog on line, technical information section () The solenoids Group II and CULUS are certified for minimum ambient temperature C In case the complete valve must withstand with minimum ambient temperature of C, select /T in the model code WRNING: service work performed on the valve by the end users or not qualified personnel invalidates the certification
EX PROOF SOLENOIDS WIRING n M locking torque Nm Multicertification n M locking torque Nm CULUS certification Standard version Option /O Standard version Option /O cover with threaded connection for vertical cable gland fitting cover with threaded connection for horizontal cable gland fitting terminal board for cables wiring standard manual override screw terminal for additional equipotential grounding = Coil = GND = Coil PC poles terminal board suitable for wires cross sections up to,5 mm (max WG) cover with threaded connection for vertical cable gland fitting cover with threaded connection for horizontal cable gland fitting terminal board for cables wiring standard manual override = Coil + = GND = Coil Pay attention to coil polarity PC poles terminal board suggested cable section up to,5 mm (max WG), see section note alternative GND screw terminal connected to solenoid housing CLE SPECIFICTION ND TEMPERTURE Power supply and grounding cables have to comply with following characteristics: Multicertification Group I and Group II Power supply: section of coil connection wires =,5 mm Grounding: section of internal ground wire =,5 mm section of external ground wire = mm culus certification: Suitable for use in Class I Division, Gas Groups C rmored Marine Shipboard Cable which meets UL 9 Tinned Stranded Copper Conductors ronze braided armor Overall impervious sheath over the armor ny Listed (UVZ/ UVZ7) Marine Shipboard Cable rated V min, 5 min C,5 mm ( WG) having a suitable service temperature range of at least 5 C to + C ( /T Models require a temperature range from C to + C) Note : For Class I wiring the C,5 mm WG cable size is admitted only if a fuse lower than is connected to the load side of the solenoid wiring Cable temperature The cable must be suitable for the working temperature as specified in the safety instructions delivered with the first supply of the products Multicertification Max ambient temperature [ C] Temperature class Group I Group II Max surface temperature [ C] Group I Group II 5 C 5 C 5 C 5 C Min cable temperature 5 C T not prescribed 7 C T 9 C culus certification Max ambient temperature [ C] Temperature class Max surface temperature [ C] Min cable temperature 55 C T 5 C C 7 C T5 C C CLE GLNDS only for Multicertification Cable glands with threaded connections GK/, / NPT or Mx,5 for standard or armoured cables have to be ordered separately, see tech table K Note: a Loctite sealant type 55, should be used on the cable gland entry threads EX5
5 Q/ p DIGRMS based on mineral oil ISO VG at 5 C SC LI High flow series = poppet type and = poppet type and size size 5 size size size 5 size
COVER DIMENSIONS [mm] Multicertified and UL for cartridge cavity dimensions see tech table P Size Drawing of size 5 dotted line: example of double solenoid version Option /WP 7 95 for UL Shuttle valve Only for LIDH 7 5 Option /O 55 Notes referred to the below table: () LIDEW* LIDH*: solenoid at side of port Y of cover LIDEW* LIDH*C: solenoid at side of port X of cover Size () C D max E max F G I J K Ports PpDr Ports ZZ Seals Fastening bolts () Tightening torque [Nm] Mass [Kg] 7 5 9 OR Nr Mx5 5,95 5,7 5 5 5,5 7 7 5 OR Nr Mx5 5,5, 5 7 7 5 5 OR Nr Mx55,5,7 5 5,5 5 5 5 G / OR Nr Mx7 7,75 9, 5 7 5 5 7 G / G / OR Nr Mx,5,7 9 G / G / OR5 Nr Mx9,5, 7 RELTED DOCUMENTTION X TT9 TT5 General guideline for exproof components Safety instruction for Multicertification tex, IECEx, EC Group II Safety instruction for Multicertification tex, IECEx Group I Mining 7/