EXLOSION ROOF DIRECIONL CONROL VLVE YE ED SERIE X NEC SNDRD CRCERISICS Hydrulic : Cetop. Mximum pressure in service : r. Nominl Flow mx. : 0 l/mn.(see tle) Directionl control vlves re solenoid operted directionl spool vlves. Electric : rotection Index: I. Directive NEC 00 or NEC 0 (tch certifiction y certified uthority) rotection mode : Clss I div group C & D Clss I div group C et D Clss I Zone Exd II+H ED E X/US700 -DC- HD DESCRIION OF FONCION Directionl control vlves type ED re solenoid operted directionl spool vlves. hey control strt, stop nd direction of n oil flow. hese vlves siclly consist of the housing (), one or two solenoids (), the control spool (), nd return springs (). In unoperted condition the control spool () is held in the neutrl or strting position y the return springs () (except for type O nd OF). he opertion of the control spool is y mens of oil immersed solenoids (). he force of the solenoid () cts vi the plunger () on the control spool () nd pushes it from its rest position into the required end position. When the solenoid is de-energised (), the control spool () is returned to its originl y the return springs (). n hnd emergency utton, llows movement of the control spool () without solenoid energistion. YE : ED _ X/ O Only for symoles, C et D these re directionl vlves with switching positions nd solenoids without locking. When the solenoid is energised there is no medin position (without return springs). YE : ED _ X/ OF Only for symoles, C et D these re directionl vlves with switching positions nd solenoids without locking. When the solenoid is energised there is no medin position (with return springs). Crdridge hrottle : ED _ X/ xx Use of the crdridge throttle is necessry when, ecuse of the given operting conditions, flow lrger thn tht llowed y the vlve operting limits rise during spool cross-over. NO/E 0-/08- () ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com --
GENERLIY OF FONCION It is in n oil th nd cn e powered y direct current. Its mechnicl impct resistnce meets the stndrds for explosion-proof equipment. olymerized it cn operte in tropicl climtes. he plunger operte in oil to reduce friction, dissipte hed nd cushions nd drives control spool. Direct curent solenoid hs the dvntges of : - slow movement of the control spool. - energized mintennce of the control vlve in intermediry position, is not detrimentl to the solenoid. -Insensitivity to undervoltge nd even rief overvoltge, overlod or mechnicl stop. ELECRIC CONNEXION For Clss I Zone Junction in ox he terminl ox () cn e oriented in steps of 80 on the solenoid housing (). he electricl connector on the outlet terminl ox () cn e rrnged horizontlly (on terminl ox )suitle for cle glnd. One erth connection () is ville inside or outside the terminl ox. Model H, H,... (ox) Horizontl connection. rotection On terminl strip () inside the explosion proof terminl () ox suitle for 0. to. mm² (WG0 to WG) he terminl ox is produced in luminium s stndrd, ut production in SEEL possile on request. -- ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com
ELECRIC CONNEXION For Clss I div nd div Junction On Femle ped Flnge Connection with threded rigid conduit pproved in group II only. Sel integrted in the housing. It is produced ccording to the "d" protection mode using certified type of rigid conduit (threded tue). Sel integrted in the housing. Erth connexion (). he led wire length normlly supplied is. meter. ctive led wires (7). Erth led wire (8). Other lengths to order. ville with either horizontl (H) or verticl (I) electricl output. Model "I" (Flnge) 7 Model "H" (Flnge) 7 8 8 ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com --
HYDRULIC CODE ED X service ports service ports D Y OF O D D Middle position Norml position E J G Hydrulic housing series numer. X he ove refer to symols D, Y only. Without return spring, with locking control spool. Without return spring. With return springs : No code OF O he ove refer to E, J, G,... Ect. With one solenoid side. With one solenoid side. With one solenoid side nd side.: No code For use when the flow is greter thn the vlve cpcity, fitted in line. hrottle Ø 0.8 MM : hrottle Ø,0 MM : hrottle Ø, MM : Without throttle : No code 08 0 hydrulic piloted outside side hydrulic piloted inside side hydrulic piloted outside side hydrulic piloted inside side hydrulic piloted outside side nd hydrulic piloted inside side nd Without hydrulic piloted : No code HE-X HI-X HE-X HI-X HE-X HI-X -- ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com
ELECRIC CODE US700 - - No code : Wires length. meter Wires length meters (only for tped flnge) * S No Code * S X-0 X-0 Stndrd temp +0 C emp. Declss +0 C emp. decls +0 C See tle pge luminium ox (Stndrd) Steel ox D With ox. No code. : tped flnge : /" N : M 0 x.0 H I H Horizontl connection on the ox. Only Clss Zone For tped flnge,wire lg.m (Verticl). Only Only For tped flnge,wire lg.m (Horizontl). Clss Div& C V Control pushutton unch operting with locking position Screw Control No code : Without control pushutton Side of Vlve. C V Control pushutton unch operting with locking position Screw Control No code : Without control pushutton Side of Vlve.... emperture rnge see tle on pge DC Solenoid energized in direct current. Solenoid power supply in Volt.,,, 8,... See tle on pge for correspondnce with the temperture rnge,,. US700 Explosion proof protection (tch certifiction y certified uthority) ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com --
CRCERISICS GENERLIY Mounthing position Weight HYDRULIC ressure drop Hydrulic fluid Fluid temperture rnge Viscosity rnge Degree of pollution - vlve with solenoid (kg) - vlve with solenoids (kg) Mximum operting pressure : orts,,. r C mm /s Optionl - Horizontl prefered.7 kg. kg Up to... r r Up to...00 r With spool type nd, port must e used s drin port, if the operting pressure lies ove 00 r. see operting curves of pressure drop Minerl oils -0 C...+70 C,8...80 Clss 9 under NS 8 ELECRIC Continous voltges ville V/DC 8 emperture rnge with miente 0 C emperture rnge with miente 0 C emperture rnge with miente 0 C ower requirement V rotection index Duty cycle Mximum coil temperture Outlet connection on terminl ox or tped flnge. I 00% 0 C...7. / N-M0x. clssifiction code Clss I div & div group C & D or Clss I Zone tch certifiction y certified uthority -- ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com
HYDRULIC VRIION SYMOLS 0 0 = /O.. 0 0 =. = /OF.. 0 0 =. = = E ) = E- = C = F = D = G = 9 = H = J = L = = M = Y = = Q = R = = U = V = W ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com -7-
HYDRULIC VLVE CONNECION HYDRULIC VLVE CONNECION CEO HYDRULIC VLVE CONNECION CEO WIH HYDRULIC COMMND 0,0 7,80 9 0,0 x M x Ø 0,0 7,80 9 0,0 x M,,,0 HI HI,,,0 0,7 x Ø.0,9 0,7 x Ø.0,9 CURVES OF RESSURE DRO CURVE 7 : SYMOL "R" IN SWICHING OSIION : - CURVE 8 : SYMOL "G" IN NEUL OSIION : - RESSURE DRO ( r) 0 8 0 0 0 0 7 8 0 9 0 0 FLOW Q( L/mn) Mesured t V : mm ² /S, t : 0 C 0 70 80 SYMOL C D E F G H J L M Q R U V W Y -> 0 FLOW DIRECION -> 0 -> - - 9 9 9 -> - - 9 9-9 -8- ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com
DIMENSIONS (In MM) CONNECION WIH OX ND ERMINL LOCK positions 8 8 00, 77,, 8, 9, 8, 9, 0, 9,8, 0, 0,,8 positions, 9, 8, : ex d type connection ox : Solenoid housing side : Solenoid housing side : Without pushutton housing : Control pushutton : Hydrulic housing 7 : fixing screws M x 0 DIN 9-0.9, to e ordered seprtely 8 : rectngulr sels 9,8 x, x,78 MNUL YE WIHOU SOLENOID 7 ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com -9-
DIMENSIONS (In MM) CONNECION WIH H YE HREDED FLNGE positions 8 8 Wire lg 00 mm 97, 77,, 0, positions sns Commnde Mnuelle 9,8, 0, CONNECION WIH I YE HREDED FLNGE, : Horizontl type connection flnge : Solenoid housing side : Solenoid housing side : Without pushutton housing : Control pushutton : Hydrulic housing 7 : fixing screws M x 0 DIN 9-0.9, to e ordered seprtely 8 : rectngulr sels 9,8 x, x,78 80,,8 8 : Verticl type connection flnge : Solenoid housing side : Solenoid housing side : Without pushutton housing : Control pushutton : Hydrulic housing 7 : fixing screws M x 0 DIN 9-0.9, to e ordered seprtely 8 : rectngulr sels 9,8 x, x,78-0- ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com
DIMENSIONS (In MM) unch operting with locking position. 9. SOLENOID WIH HYDRULIC OEROR INSIDE ND OUSIDE,0 0 9 77, 00,, /"G HYDRULIC ILOED OUSIDE SIDE 0,0 /"G HYDRULIC ILOED OUSIDE SIDE,80 7,0 ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com --
SCREW CONROL 7,0 ONE HLF URN O CIVED HE SOLENOID 0, 00, -- ZE CNORD - Rue NOURISS - 70 F-07 DIJON Cedex él : 0 80 9 0 00 - Fx : 0 80 0 89 E-mil: ce.dijon@cefrnce.com