h ev a lve c n sis ts fp il t va lve a nd m a in v alv e. h e re du ce d p res su re a ct s n th e l we r fa ce f m a in sp l (1), a nd t hr u gh n z zl e( ) als n th e up p er fa ce an d th r ug h n z le () np il t va lve p p pe t (4). I nr es tp s iti n th e pr es su re n b th sid e s ft he m ai n sp l (1 ) isi de nt ica l. Sp rin g (5 )m ai nt ain s th es p l in in iti al (p en ) p sit in. Lin es an d 1 ( 1 1 t 1 1 t 1 )a re in ter c n ec te d. W he n th ep re s ur ea t ain s th ev al ue de te rm in ed b y the t en si n f sp ri ng (6 ), the p 1 il tv 1 1 al ve (4 1 p en sa n d il fl w st hr u gh n z zl e( ). p res su re d r p is cre at ed a cr s t he n z zle, w h ich a ct s n th e up pe r an d lw e r 1 1 f ac es fs p l (1 ) an d m ve s it ca us in gt hr t tlin g f fl w f r m t 1 ( 1 1t 1, 1 t 1 ). U nr es tri cte d fl w in p s ite d ir ec ti n f r m t 1 ( t 1 1 )is e1 fe ct ed t hr u gh n n -r etu rn v al ve (7 )- d es ig n wi th n n -re tu rn v alv e UZ R 6 Z 1 1 1 1 1 1 ( UZ R 6 Z ). Z 1 1 1 1 Z Z Z ressure reducing valve, pilt perated, sandwich plate type UZRR6 NS6 up t 1,5 Ma up t 50dm /min WK 499 991 07.01 LICION he pressure reducing valve type UZRR6 is used fr reducing pressure in hydraulic systems. DESCRIION OF OERION UZRR6 - /15-1 1 1 1 6 4 5 1 (Y) UZRR6 - /15 - Z 1 1 1 1 7 (Y) he valve cnsists f pilt valve and main valve. he reduced pressure acts n the lwer face f main spl (1), and thrugh nzzle () als n the upper face and thrugh nzzle () n pilt valve pppet (4). In rest psitin the pressure n bth sides f the main spl (1) is identical. Spring (5) maintains the spl in initial (pen) psitin. Lines and 1 (1 t, 1 t ) are intercnnected. When the pressure attains the value determined by the tensin f spring (6), the pilt valve (4) pens and il flws thrugh nzzle (). pressure drp is created acrss the nzzle, which acts n the upper and lwer faces f spl (1) and mves it causing thrttling f flw frm t 1 (1 t, 1 t ). Unrestricted flw in ppsite directin frm t 1 ( t 1) is effected thrugh check valve (7) - design with check valve UZRR6 Z Z; (UZRR6 Z Z). ype UZRR6-1 - WK 499 991 07.01
ECHNICL D Hydraulic fluid Required filtr f ltrat atin Recmmended filtratin Nminal fluid viscsity Viscsity range Fluid temperature range (in a tank) mbient temperature range Maxim imum perat ating pressure Maxim imum set pressure ressure at inlet cnnectc nectin ressure at utlet cnnect c nectin Settable pressure range Maxim imum flw f Weight mineral il up t t 16 µm up t 10 µm 7 mm /s at temperature 55 C,8 up t 80 mm /s recmmended 40 C up t 55 C max -0 C up t +70 C -0 C up t +70 C 1, 1,5 Ma 1, 1,5 Ma up t t 1, 1,5 Ma 0, - 1, 1,5 Ma 5 Ma; 10 Ma; 0 Ma; 1,5 Ma 50 dm /min 1,7 kg SCHEMES Hydraulic schemes f valves type UZRR6... versin UZRR6... 1 1 1 versin UZRR6... 1 1 1 versin UZRR6... 1 1 1 versin UZRR6...Z Z... versin UZRR6...Z Z... 1 1 1 1 1 1 WK 499 991 07.01 - - ype UZRR6
OVERLL ND CONNECION DIMENSIONS versin UZRR6... 6... S 6 S 40 10 strke 156 (max) 108 1 1 1 1,5 44 18 1 O 5,5-4 hles 64 1,5 M5 depth 10-4 hles O7,6 (max) - 4hles (,,,) 44 (min) 6,55 1,75,5 19 7,8 64 (min) 10, r 0,01/100 mm 0,6 0,75 1,8 5,95 16,5 1 - Seal -ring 9,5 x 1,78-4 pcs/kit (,,, ) - Munting hles cnfiguratin f a subplate in accrdance with the standards listed belw: CEO R 11H - symbl CEO 4.-4-0 (nminal size CEO 0) ISO 4401 - symbl ISO 4401-0 0-0-0-94 fixing screws M5 x L* L - 10.9-4 pcs/kit in accrdance with N - EN ISO 476 tightening trque Md = 9 Nm - Required surface finish f a subplate NOE: (*) - Required length f the screws L is related t type and the number f hydraulic cmpnents sandwich fitted ype UZRR6 - - WK 499 991 07.01
OVERLL ND CONNECION DIMENSIONS versins: UZRR6... 6...; UZRR RR6....Z... S 6 S 15,5 40 10 strke 156 (max) 108 1 1 1 1,5 44 1 O 5,5-4 hles 64 1,5 M5 depth 10-4 hles O7,6 (max) - 4hles (,,,) 44 (min) 4 19 7,8 64 (min) 10, r 0,01/100 mm 0,6 0,75 1,8 5,95 16,5 6,55 1,75,5 1 - Seal -ring 9,5 x 1,78-4 pcs/kit (,,, ) - Check valve in line - 1 - nly fr versin UZRR6 Z Z - Munting hles cnfiguratin f a subplate in accrdance with the standards listed belw: CEO R 11H - symbl CEO 4.-4-0 (nminal size CEO 0) ISO 4401 - symbl ISO 4401-0 0-0-0-94 fixing screws M5 x L* L - 10.9-4 pcs/kit in accrdance with N - EN ISO 476 tightening trque Md = 9 Nm 4 - Required surface finish f a subplate NOE: (*) - Required length f the screws L is related t type and the number f hydraulic cmpnents sandwich fitted WK 499 991 07.01-4 - ype UZRR6
OVERLL ND CONNECION DIMENSIONS versins: UZRR6... 6...; UZRR RR6....Z... S S 6 15,5 40 1 108 156 (max) strke 10 44 1 1 1,5 1 64 1,5 O 5,5-4 hles M5 depth 10-4 hles O7,6 (max) - 4hles (,,,) 44 (min) 4 19 7,8 64 (min) 10, r 0,01/100 mm 0,6 0,75 1,8 5,95 16,5 6,55 1,75,5 1 - Seal -ring 9,5 x 1,78-4 pcs/kit (,,, ) - Check valve in line - 1 - nly fr versin UZRR6 Z - Munting hles cnfiguratin f a subplate in accrdance with the standards listed belw: CEO R 11H - symbl CEO 4.-4-0 (nminal size CEO 0) ISO 4401 - symbl ISO 4401-0 0-0-0-94 fixing screws M5 x L* L - 10.9-4 pcs/kit in accrdance with N - EN ISO 476 tightening trque Md = 9 Nm 4 - Required surface finish f a subplate NOE: (*) - Required length f the screws L is related t type and the number f hydraulic cmpnents sandwich fitted ype UZRR6-5 - WK 499 991 07.01
ERFORMNCE CURVES measured at viscsity ν = 41 mm /s and temperature t = 50 C Char aracter acterist stic curc urves f f pressure reduct uctin 1,5 Characteristic curves f pressure reductin in relatin t flw rate fr different pressure settings 5 0 p [Ma Ma] 1 15 10 5 0 10 0 0 40 50 Q [dm /min] Char aracter acterist stic curc urves f f flw f resistan ance Characteristic curves f flw resistance p(q) acrss the check valve, flw directin: 1 ( 1) 1,4 1, 1,0 p [Ma Ma] 0,8 0,6 0,4 0, 0 5 10 15 0 5 0 5 40 Q [dm /min / min] 45 50 WK 499 991 07.01-6 - ype UZRR6
HOW O ORDER UZRR Nminal size (NS) NS6 = 6 6 * Series number (0-9) - cnnectin and installatin dimensins unchanged = X series = Settable pressure range up t 5 Ma = 50 up t 10 Ma = 100 up t 0 Ma = 00 up t 1,5 Ma = 15 djustment element set screw with internal hexagn = Cnnectin (accrding t schemes n page ) Reductin in line = Reductin in line = Reductin in line = Reductin in line + check valve = Z Reductin in line + check valve = Z Sealing NR (fr fluids n mineral il base) FKM (fr fluids n phsphate ester base) = n cde = V Further requirements in clear text (t be agreed with the manufacturer) NOES: he pressure reducing valve shuld be rdered accrding t the abve cding. he symbls in bld are the preferred versins available in shrt delivery time. Cding example: UZRR6 - /15 - ype UZRR6-7 - WK 499 991 07.01
SULES ND FIXING SCREWS Subplates must be rdered accrding t catalgue sheet WK 496 480. Subplate symbls: G 41/01 - threaded cnnectins G 1/4 G 4/01 - threaded cnnectins G /8 G 50/01 - threaded cnnectins G 1/ G 41/0 - threaded cnnectins M14 x 1,5 G 4/0 - threaded cnnectins M16 x 1,5 Subplates and screws fixing the pressure reducing valve M5 x L*- L 10, 0,9-4 pcs/kit in accrdance with N - EN ISO 476 must be rdered separately. ightening trque Md = 9 Nm NOES: (*) - Required length f the screws L is related t type and the number f hydraulic cmpnents sandwich fitted. he subp ubplate symbl in bld b is s the t preferred versin availab able in shrt delivery time. t ONR Wadwice S.. ul. Wjska lskieg 9 4-100 Wadwice tel. +48 488 1 00 fax.+48 488 1 0 www.pnar-wadwice.pl WK 499 991 07.01-8 - ype UZRR6