Directionl spool vlves hnd lever operted type WMM6 rotry kno operted type WMD6 roller operted type WMR6 hydruliclly operted type WH6 3 NS6 up to 31,5 M up to 80 dm /min D SHEE - OERION MNUL WK 421 180 11.2015 LICION Directionl spool vlves re intended for chnge in direction of fluid flow in hydrulic system nd thus it llows to chnge direction of movement of receiver - mostly piston rod of cylinder or hydrulic motor s well to use functions: on nd off. Directionl spool vlves cn e mde in differently operted design versions: hnd lever operted type WMM6 rotry kno operted type WMD6/WMD6 roller operted type WMR6/WMU6 hydruliclly operted type WH6 hese directionl vlves re intended for suplte mounting in ny position in hydrulic system. DESCRIION OF OERION Generl informtion Min ore nd nnulr ports,,, re mde in the housing (1) nd re connected to its suplte connection. Directionl vlve is switched y shifting the spool (2) into one end position. Vrious control functions re dependent on shpe of the spool (2), which ffects the chnge in configurtion of connections mong ports,,, in the housing (1). 4WMM6 E - 32/F... Directionl spool vlve - hnd lever operted type WMM6 he spool (2) is shifted s result of chnging position of the hnd lever (3), y mens of pin (4). he spool return (2) to its rest is secured y springs (6) - version WMM6 / or the spool (2) is positioned y mens of the detent (5) - versions WMM6 /F. Directionl spool vlve my e equipped with throttle insert (7) plced in port - version WMM6 /. 3 5 4 2 1 7 6 4WMM6 E - 32/... ype WMM6/ WMD6/ WMR6/ WH6-1 -
DESCRIION OF OERION Directionl spool vlve - rotry kno operted type WMD6, WMD6 he spool (2) is shifted y mens of rotry kno (3) through the spindle (4) nd y mens of the spring (6). he spool is positioned y mens of detent (5). Directionl spool vlve my e provided with orifice (7) plced in port - version WMD6 /F. 4WMD6 E -32/F 3 4 5 1 2 7 6 4WMD6 E -32/F Directionl spool vlve - roller operted type WMR6/WMU6 he spool (2) is shifted y mens of the pin (3) with the roller (4) t the end of pin, through the plunger (5). Spool return (2) to its rest position is secured y the spring (6). Directionl spool vlve my e provided with orifice (7) plced in port - version WMR /. 4WMR6 E -32 4 3 5 1 2 7 6 4WMR6 E -32/ Directionl spool vlve -hydruliclly operted type WH6 4WH6 E -32 he spool (2) is shifted y mens of the pressure supplied to connections of the cps (3) nd thus it llows to move spools (4). Spool return (2) nd its centering in neutrl position (3-position directionl vlves) or fixing end (2-position directionl vlves) is secured y the springs (5) - version WH6-12/ ; hydruliclly (with oil pressure) - version WH6 /O or y mens of detent version WH6 /OF. In versions: WH6 /O nd WH6 /OF the spool position (4) is not fixed in cse of the lck of supply. Directionl spool vlve my e provided with orifice (6) plced in port - version WH6 /. 3 4 1 2 6 4WH6 E -32/ 5-2 - ype WMM6/ WMD6/ WMR6/ WH6
ECHNICL D Hydrulic fluid Viscosity rnge mient temperture rnge Fetures Switching force ightening torque of rotry kno Mx ngle of control cm Weight Flow section in 0 (centrl) position minerl oil Required fluid clenliness clss ISO 4406 clss 20/18/15 Nominl fluid viscosity 2 o 37 mm /s t temperture 55 C Fluid temperture rnge (in tnk) Mx operting pressure Control pressure 2 2,8 up to 380 mm /s recommended o o 40 C up to 55 C mx o o -20 C up to +70 C o o - 20 C up to +70 C type WMM6 type WMD6/WMD6 type WMR6/WMU6 type WH6 ports,, 31,5 M 16 M 31,5 M 16 M 31,5 M 6 M 31,5 M 16 M _ pressure in port 0 M 15 M ~ 20 N ~ 30 N 1,4 kg ports,, 1,4 kg _ 100-200 N 1,4 kg min 0,6-1 M mx 20 M _ 150 Ncm _ spool Q - 6 % nominl section spool W - 3 % nominl section ports,, 30 o ports,, _ version with 2 control ports 1,8 kg version with 1 control port 1,3 kg INSLLION ND OERION REQUIREMENS 1. Only fully functionl nd opertionl vlve must e used. 2. During the period of opertion must e kept fluid viscosity cc. to requirements defined in this Dt Sheet - Opertion Mnul 3. In order to ensure filure free nd sfe opertion the following must e checked: proper of the vlve clenliness of the hydrulic fluid 4. Due to heting of vlve ody to high temp., the vlve shll e plced in such wy to eliminte the risk of ccidentl contct with the vlve ody during opertion or to pply suitle covers cc. to N - EN ISO 13732-1 nd N - EN 4413 5. In order to ensure tightness of the directionl vlve lock, one should tke cre of dimension of seling rings nd vlve opertion prmeters given in this Dt Sheet - Opertion Mnul 6. person tht opertes the vlve must e thoroughly fmilir with this Dt Sheet - Opertion Mnul. ype WMM6/ WMD6/ WMR6/ WH6-3 -
DIGRMS Directionl spool vlve - hnd lever operted type...wmm6...-3x/... Grphic symols of 3-position Grphic symols of 2-position versions with, 0 WMM6...-3X/... 0 WMM6...-3X/... 0 WMM6...-3X/F... 0 WMM6...-3X/F... 0 Grphic symols of spools versions with 0, WMM6...-3X/... 0 WMM6...-3X/F... 0 0 0 0 0 0 0 E F G H J L M Q R U V W E F G H J L M Q R U V W E F G H J L M Q R U V W NOES: Flow sections in 0 (centrl) position chieved with spools: Q nd W - ccording to technicl dt on pge 3. - 4 - ype WMM6/ WMD6/ WMR6/ WH6
DIGRMS Directionl spool vlve - hnd lever operted type...wmm6...-3x/... Grphic symols of 2-position versions with, WMM6...-3X/... WMM6...-3X/F... Grphic symols of spools versions with, WMM6...-3X/... WMM6...-3X/F... C D Y Directionl spool vlve - rotry kno operted type... WMD6...-3X/... ;...WMD6...-3X/... Grphic symols of 2-position versions with, WMD6...-3X/F... WMD6...-3X/F... Grphic symols of spools C D ype WMM6/ WMD6/ WMR6/ WH6-5 -
DIGRMS Directionl spool vlve - rotry kno operted type... WMD6...-3X/... ;...WMD6...-3X/... Grphic symols of 3-position Grphic symols of 2-position versions with, 0 versions with 0, WMD6...-3X/F... WMD6...-3X/F... WMD6...-3X/F... WMD6...-3X/F... 0 WMD6...-3X/F... 0 WMD6...-3X/F... 0 Grphic symols of spools 0 0 0 0 0 0 E F G H J L M Q R U V W E F G H J L M Q R U V W E F G H J L M Q R U V W NOES: Flow sections in 0 (centrl) position chieved with spools: Q nd W - ccording to technicl dt on pge 3. - 6 - ype WMM6/ WMD6/ WMR6/ WH6
DIGRMS Directionl spool vlve - roller operted type...wmr6...-3x/... ;...WMU6...-3X/... Grphic symols of 3-position Grphic symols of 2-position WMR6...-3X/... WMU6...-3X/... 0 WMR6...-3X/... WMU6...-3X/... Grphic symols of spools Grphic symols of spools 0 0 E F G H C D J L M Q R U V W NOES: Flow sections in 0 (centrl) position chieved with spools: Q nd W - ccording to technicl dt on pge 3. ype WMM6/ WMD6/ WMR6/ WH6-7 -
DIGRMS Directionl spool vlve - hydruliclly operted type...wh6...-3x/... Grphic symols of 3-position Grphic symols of 2-position WH6...-3X/... 0 versions with, 0 WH6...-3X/... 0 versions with 0, WH6...-3X/... 0 Grphic symols of spools 0 0 0 0 0 0 E F G H J L M Q R U V W E F G H J L M Q R U V W E F G H J L M Q R U V W NOES: Flow sections in 0 (centrl) position chieved with spools: Q nd W - ccording to technicl dt on pge 3. - 8 - ype WMM6/ WMD6/ WMR6/ WH6
DIGRMS Directionl spool vlve - hydruliclly operted type...wh6...-3x/... Grphic symols of 2-position versions with, WH6...-3X/... WH6...-3X/O... WH6...-3X/OF... versions with, WH6...-3X/... Grphic symols of spools C D Y ype WMM6/ WMD6/ WMR6/ WH6-9 -
OVERLL ND CONNECION DIMENSIONS Directionl spool vlve - hnd lever operted type...wmm6...-3x/... ~ 40 ~ 40 20 20v 1 O9,4-4 counterores O5,3-4 holes 31 23 ~ 27,7 127 42 49,5 2 S 24 0,75 31,75 32,5 45 45 (min) 0 4 5 /0 19 27,8 40,5 73 (min) /0 6 ~ 32 3-position directionl vlves 2-position directionl vlves with spools:,c,d / E...W 2-position directionl vlves with spools:, Y / E...W M5 depth 10-4 holes O7,6 (mx) - 4 holes (,,,) 17 10,3 0,75 5,95 16,25 26,55 31,75 32,5 r 0,01/100 mm 0,63 141 40,5 17 73 1 - Hnd lever 2 - Seling o-ring 9,2 x 1,8-4 pcs/set (,,,) 3 - Overll dimension of directionl spool vlve: 3-position directionl spool vlve springs cent ered 3-position directionl spoo l vlve pos itioned with d etent (spool digrms: E,F,G,H,J,L,M,Q,R,,U,V,W - ccording to pge 4) 2-position directionl spoo l vlve pos itioned with retu rn spring 2-position directionl spoo l vlve positioned with detent (, 0 - spool digrms: E,F,G,H,J,L, M,,Q,R,,U,V,W - ccording to pge 4) ( 0, - spool digrms: E,F,G,H,J,L, M,,Q,R,,U,V,W - ccording to pge 4) (, - spool digrms:,c,d,,y- ccording to pge 5) 4 - ositions of hnd lever for different versions of 5 - orting pttern - configurtion of connection holes in suplte in ccordnce with the stndrd ISO 4401 designtion ISO 4401-03-02-0-94 (CEO 03) fixing screws M5 x 50-10.9 in ccordnce with N - EN ISO 4762-4 pcs/set - must e ordered seprtel; tightening; torque Md = 9 Nm 6 - Suplte surfce required 19 3-10 - ype WMM6/ WMD6/ WMR6/ WH6
OVERLL ND CONNECION DIMENSIONS Directionl spool vlve - rotry kno operted type... WMD6...-3X/... ;...WMD6...-3X/... 7 5 2,8 (stroke) 46 6 2,8 (stroke) O9,4-4 counterores O5,3-4 holes 23 S 24 42 57 1 185 205 2 12 3 4 2,8 0 0 /0 2,8 O43 3-position directionl vlves 2-position directionl vlves with spools:, Y / E...W 2-position directionl vlves with spools:,c,d / E...W 40,5 17 73 27,7 ~ 0,75 31,75 32,5 45 90 o /0 90 o 45 (min) 8 9 19 27,8 40,5 73 (min) M5 depth 10-4 holes O7,6 (mx) - 4 holes (,,,) 17 10,3 10 0,75 5,95 16,25 26,55 31,75 32,5 r 0,01/100 mm 0,63 1 - Rotry kno 2 - Seling o-ring 9,2 x 1,8-4 pcs/set (,,,) 3 - Overll dimension - version WMD6... 4 - Overll dimension - version WMD6... 5 - Stroke of rotry kno for 3-position directionl vlve (spools digrms: E,F,G,H,J,L,M,Q,R,,U,V,W - pge 6) 6 - Stroke of rotry kno for 2-position directionl vlve (, 0 - spools digrms:e,f,g,h, J, L, M,,Q,R,,U,V,W - pge 6,, - spools digrms:,c,d - pge 5) 7 - Stroke of rotry kno for 2-position directionl vlve ( 0, - spools digrms:e,f,g,h,j, L, M,,Q,R,,U,V,W - pge 6) 8 - ositions of rotry kno for different versions of directionl spool vlve 9 - orting pttern - configurtion of connection holes in suplte in ccordnce with the stndrd ISO 4401 designtion ISO 4401-03-02-0-94 (CEO 03) fixing screws M5 x 50-10.9 in ccordnce with N - EN ISO 4762-4 pcs/set - must e ordered seprtely; tightening torque Md = 9 Nm 10 - Suplte surfce required ype WMM6/ WMD6/ WMR6/ WH6-11 -
OVERLL ND CONNECION DIMENSIONS Directionl spool vlve - roller operted type... WMR6...-3X/... ;...WMU6...-3X/... 74,5 57 O9,4-4 counterores O5,3-4 holes O16 S 24 5,6 42 50 2 1 23 6 5 2,8 (stroke) 5,6 (stroke) 3 ~151 (mx) 4 7 27,7 ~ 31,75 32,5 45 30v(mx) 40,5 17 73 12 0,75 8 45 (min) 0 2,8 5,6 9 1 19 27,8 40,5 73 (min) 2-position directionl vlves 3-position directionl vlves cklsh (not included in the opertion of directionl vlve) M5 depth 10-4 holes O7,6 (mx) - 4 holes (,,,) 17 10,3 0,75 r 0,01/100 mm 0,63-12 - 10 5,95 16,25 26,55 31,75 32,5 1 - in with roller - position for vlve type WMR6... 2 - in with roller - position for vlve type WMU6... 3 - Seling ringo-ring 9,2 x 1,8-4 pcs/set (,,,) 4 - Overll dimension of directionl spool vlve: type WMR6... (2 nd 3-position versions) type WMU6... (2 nd 3-position versions) 5 - Stroke of roller for 3-position directionl spool vlve (spools digrms: E,F,G,H,J,L,M,Q,R,,U,V,W - pge 7) 6 - Stroke of roller for 2-position vlve(spools digrms:,c,d - pge 7) 7 - Mx ngle of control cm 8 - osition of pin with roller for different versions of directionl vlves (type WMR6... nd WMU6...) 9 - orting pttern - configurtion of connection holes in suplte in ccordnce with the stndrd ISO 4401 designtion ISO 4401-03-02-0-94 (CEO 03) fixing screwsm5 x 50-10.9 in ccordnce with N - EN ISO 4762-4 pcs/set - must e ordered seprtely; tightening torque Md = 9 Nm 10 - Suplte surfce required ype WMM6/ WMD6/ WMR6/ WH6
OVERLL ND CONNECION DIMENSIONS Directionl spool vlve - hydruliclly operted type...wh6...-3x/... O15,5-2 counterores G1/8-2 holes 1 O9,4-4 counterores O5,3-4 holes 6 7 1 3 2 125 S 24 ~ 27,7 23 42 50 31,75 32,5 38 40,5 17 9 0,75 5 125 4 158 45 (min) 7 19 27,8 40,5 73 (min) M5 depth 10-4 holes O7,6 (mx) - 4 holes (,,,) 10,3 8 0,75 17 (min) 5,95 16,25 26,55 31,75 32,5 r 0,01/100 mm 0,63 1 - Cp with control port 2 - Cp with control port 3 - Seling o-ring 9,2 x 1,8-4 pcs/set (,,,) 4 - Overll dimension of directionl spool vlve: 3-position directionl spool vlve springs centere d (spools digrms: E,F,G,H,J,L,M,Q,R,,U,V,W - pge 8) 2-position directionl spool vlve without return springs nd w ithout detent 2-position directionl spool vlve without return springs wit h detent (:, - spools digrms:,c,d - pge 9) 5 - Overll dimension of directionl spool vlve: 2-position directionl spool vlve spring posit ioned (, - spools digrms:,c,d - pge 9; :, 0 - spools digrms: E,F,G,H,J, L,M,,Q,R,,U,V,W - pge 8) 6 - Overll dimension of directionl spool vlve: 2-position directionl spool vlve spring positioned (:, - spools digrms:, Y - pge 9; : 0, - spools digrms: E,F,G,H,J, L,M,,Q,R,,U,V,W - pge 8) 7 - orting pttern - configurtion of connection holes in suplte in ccordnce with the stndrd ISO 4401 designtion ISO 4401-03-02-0-94 (CEO 03) fixing screwsm5 x 50-10.9 in ccordnce with N - EN ISO 4762-4 pcs/set - must e ordered seprtely; tightening torque Md = 9 Nm 8 - Suplte surfce required ype WMM6/ WMD6/ WMR6/ WH6-13 -
ERFORMNCE CURVES 2 o mesured t viscosity ν = 41 mm /s nd temperture t = 50 C Flow resistnce curves type WMM6...; WMM6.../F... type WMD6.../F...; WMD6.../F... type WMR6...; WMU6... type WH6...; WH6.../O...; WH6.../OF... Chrcteristic curves p(q) for ll for vrious spool types C D E F G H J L M Q R U V W Y - 3 3 1 5 3 2 5 2 1 1 2 2 1 5 5 3 1 1 5-3 3 1 5 3 3 3 4 1 1 4 3 1 5 3 1 2 1 5 - - - 3 3 1 3 6 2 2 2 3 3 2 4 6 3 1 2 3 - - - 1 3 1 5 6 2 1 2 3 5 1 6 3 1 2 3 Operting limits curves type WMM6... Flow curves p-q for directionl spool vlve type WMM6... - versions with vrious spools springs centered 1 2 3 4 5 E1, M, E, J, L, Q, U, W, C, D, Y, G, H, R, V F, - 14 - ype WMM6/ WMD6/ WMR6/ WH6
ERFORMNCE CURVES 2 o mesured t viscosity ν = 41 mm /s nd temperture t = 50 C Operting limits curves type WMM6.../F... Flow curves p-q for directionl spool vlve type WMM6.../F... - versions with vrious spools positioned with detent 1 2 3 4 5 6 7 8 9 E1, M, H, C, D, Y E, J, Q, L, U, W, G, F V R type WMD6.../F... type WMD6.../F... Flow curves p-q for directionl spool vlve type: WMD6.../F...; WMD6.../F... versions with vrious spools positioned with detent 1 2 3 4 5 6 7 8 E1, M, H, C, D, E, Q, U, W J, L G, F V R ype WMM6/ WMD6/ WMR6/ WH6-15 -
ERFORMNCE CURVES 2 o mesured t viscosity ν = 41 mm /s nd temperture t = 50 C Operting limits curves type WMR6... type WMU6... Flow curves p-q for directionl spool vlve type: WMR6...; WMU6... - versions with vrious spools springs centered 1 2 3 4 5 6 7 8 C, D, E, E1, H, M, Q, U, W F, G J, L R V type WH6... type WH6.../O... type WH6.../OF... Flow curves p-q for directionl spool vlve type: WH6...; WH6.../O...; WH6.../OF... versions with spools springs centered, positioned with detent nd without detent p = 0,6 M p = 1 M 1, 1, 2 C, D, Y 8 C, D Y, E, G, H, J 3 E, J, L, U, M, Q, V, W 8 L, U, M, Q, V, W 4 F, E 9 F, 5 10 R 6 G, H 11 7 - - 8 /O, C/O, D/O 8 /O, C/O, D/O, /OF, C/OF, D/OF - 16 - ype WMM6/ WMD6/ WMR6/ WH6
HOW O ORDER Numer of service ports 3-wy - for spools, = 3 4-wy - for the other spools = 4 ype of opertion hnd lever operted = WMM rotry kno operted = WMD lockle rotry kno operted = WMD roller operted (roller positioning ccording to pge12) = WMR roller operted (roller positioning ccording to pge12) = WMU hydruliclly operted = WH Nominl size (NS) NS6 = 6 Spool type spool digrms for directionl spool vlve: type WMM - ccording to pge 4, 5 type WMD/WMD - ccording to pge 5, 6 type WMR/ WMU - ccording to pge 7 type WH - ccording to pge 8, 9 6 * Series numer (30-39) - connection nd instlltion dimensions unchnged = 3X series 32 = 32 Spool positioning spring centering- possile for type: WMM, WMR/WMU, WH = no designtion with detent - possile for type: WMM, WMD/WMD = F without return springs, without detent - possile for type WH = O without return springs, with detent - possile for type WH = OF hrottle insert (in port ) without throttle insert = no designtion throttle insert φ 0,8 = 08 throttle insert φ 1,0 = 10 throttle insert φ 1,2 = 12 Seling NR (for fluids on minerl oil se) FKM (for fluids on phosphte ester se) = no designtion = V Further requirements in cler text (to e greed with the mnufcturer) Directionl spool vlve should e ordered ccording to the ove coding. he symols in old re preferred versions in short delivery time. Coding exmples: 4WMM6 E -32/08; 4WMD6 E -32/F 08; 4WMR6 E -32/08; 4WH6 E -32/08 ype WMM6/ WMD6/ WMR6/ WH6-17 -
SULES ND FIXING SCREWS Supltes must e ordered ccording to the dt sheet WK 496 480. Supltes: G 341/01 - threded connection G 1/4 G 342/01 - threded connection G 3/8 G 502/01 - threded connection G1/2 G 341/02 - threded connection M14 x1,5 G 342/02 - threded connection M16 x1,5 Supltes nd fixingscrewsm5 x 50-10,9-4 pcs/set must e ordered seprtely. ightening torque for screws Md = 9 Nm Suplte symol in old is the preferred version ville in short delivery time. EXMLES OF LICION IN HYDRULIC SYSEM Directionl spool vlve - hnd lever operted type WMM6 4WMM6 J... M Directionl spool vlve - hydruliclly operted type WH6 3URED4 3URED4 4WH6 J... M ONR Wdowice S.. ul. Wojsk olskiego 29 34-100 Wdowice tel. +48 33 488 21 00 fx.+48 33 488 21 03 www.ponr-wdowice.pl - 18 - ype WMM6/ WMD6/ WMR6/ WH6