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Parker Hannifin VO40 - page 1
V O 4 0 O p e n - C e n t e r D i r e c t i o n a l C o n t r o l V a l v e Catalog HY17-8505/UK April 2007 ...
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II Parker Hannifin Corporation Catalog HY17-8505/UK Open-Center Directional Control V alv e V O40 Of fer of Sale Please contact your P ar ker representation f or a detailed ”Off er of Sale”. F AILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR RELA TED ITEMS CAN CA USE DEA TH, PERSONAL INJUR Y AND P ...
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III Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Contents Introduction ............................................................................................................................................................. 1 T echnical Information General Description ......................... ...
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IV Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Con versio n fact ors 1 kg = 2.2046 lb 1 N = 0.22481 lbf 1 bar = 14.504 psi 1 l = 0.21997 UK gallon 1 l = 0.26417 US gallon 1 cm 3 = 0.061024 in 3 1 m = 3.2808 f eet 1 mm = 0.03937 in 9/5 °C + 32 = °F ...
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1 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Breadth of Line Park er Hannifin is a Fortune 500 company with sales of $9 billion and ov er 400,000 customers in 43 countries. Park er is the world’ s leading supplier of motion control components and system solutions serving the mobile, industrial ...
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2 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Customer Service with A Global Reach Park er’ s worldwide network of field sales engineers and Mobile Systems Engineers (MSEs) are the best in the business. A field sales engineer works closely with you, acting as a single point of contact to e v a ...
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3 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK General Description The VO40 is an open-center directional control v alv e with the fle xibility of sectional construction. Consis- tent with this technology , it is simple in its application, reliable , easy to troub leshoot, and cost eff ective . Th ...
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4 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Specifications Pressures Inlet P ort: 300 bar (4350 PSI) T ank P or t: 50 bar (725 PSI) W ork P or ts: 300 bar (4350 PSI) Flow Rates (maximum recommended) 40 LPM (10.6 GPM) Internal Pilot Pressure Required f or solenoids – contact P arker Spool Leak ...
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5 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK 30 10 20 7.9 2.6 5.3 50 13.2 Flow 0 LPM GPM 0 43.5 3 87.0 6 130.5 9 174.0 217.5 PSI 12 15 Bar Pressure 40 10.6 Pressure Drop - Open Center P T T op Inlet to T op Outlet → T P 8 Section V alve 3 Section V alve 1 Section V alve 30 10 20 7.9 2.6 5.3 50 ...
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Parker Hannifin VO40 - page 10
6 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Circuit T ypes – P arallel Cir cuit In the open-center parallel circuit, oil flows through the open-center passage when all of the spools are in neutr al. When spools are shifted, oil is div er ted into the parallel path and av ailab le to each of t ...
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7 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK 191.0 (7.51) 27.0 (1.06) 80.9 (3.19) 15.0 (0.59) 87.0 (3.42) 92.0 (3.62) 20° A = 76.0 (3.00) + 32.0 (1.26) x No . WORK ST A TIONS B = 32.0 (1.26) + 32.0 (1.26) x No . WORK ST A TIONS 15° 15° 132.7 (5.23) 15° 15° 207.5 (8.16) 32.0 (1.26) 32.0 (1.26 ...
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Parker Hannifin VO40 - page 12
8 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Inch equivalents f or millimeter dimensions are sho wn in (**) Mechanical Jo ystic k 6.00 (0.236) 16.25 (0.640) 5.50 (0.216) ∅ 4.80 (0.189) 62.0 (REF) (2.44) 92.0 (3.62) 37.0 (1.46) ∅ 30.0 ( 1.18) ∅ Dual Actuator Pneumatic Actuator 16° 16° 16° ...
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9 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Handle Actuation vs. Spool Direction Push Handle Pull Handle • Spool Out • Energize port “B” • P ort “A” to tank • Spool In • Energize port “A” • P ort “B” to tank Left-Hand Joystic k Spool OUT - Section 1 P ower to “B” ...
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10 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK How to Or der the V O40 V alve Assembl y A specification sheet is located in the back of this book, and is also a v ailab le in an electronic Excel f or mat on our web site . This f orm should be used to configure a valv e assembly . The la y out st ...
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Parker Hannifin VO40 - page 15
11 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK V alve Assembl y – General Information The VO40 has tw o basic thread versions - UNF (SAE) or BSP . [04] – Connections Thread G 3/8 BSP Inlet, Outlet & W ork P orts. U 9/16" UNF (SAE-6) Inlet, Outlet & Work P or ts. U6 9/16" UNF ...
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Parker Hannifin VO40 - page 16
12 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK The inlet cov er of V O40 is av ailab le in two v ersions. One is the standard inlet and the other is an inlet with a sole- noid pump unloader (in de v elopment). The por ting location options f or the standard inlet are: 1) T op/side – inlet and ou ...
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Parker Hannifin VO40 - page 17
13 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK [16] - Main Relief Options PS Adjustable main pilot-operated relief . Adjustment range: 50 to 300 bar (725 to 4300 PSI). PB Adjustable main pilot-oper ated relief (T amper proof aluminum cap). Adjustment range: 50 to 300 bar (725 to 4300 PSI). PN Adju ...
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Parker Hannifin VO40 - page 18
14 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK The VO40 outlet co v er is av ailable in two v ersions: Standard or with pilot generation and regulation f or propor tional solenoid applications. The standard outlet has two por ting configurations a v ailable: 1) T op and side outlet por ts along w ...
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15 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK P o wer-Be y ond Closed-Center [33] to [35] – Outlet P or ting Options OUTLET OUTLET T ANK OPEN CENTER POWER BEY OND OUTLET OUTLET T ANK OPEN CENTER CLOSED CENTER PLUG Ordering Inf ormation – Outlet Cover ...
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Parker Hannifin VO40 - page 20
16 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK The VO40 v alv e can be supplied in combinations from one to ten work sections. F or each work section there is a variety of spool options, actuators , positioners and por t accessories. W ork sections can hav e parallel, series, and/or tandem circuit ...
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Parker Hannifin VO40 - page 21
17 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK [50] – Spool Actuators C Spring centered to neutral position. CD Spring centered with dual control. CHA2 T wo position detent – spool “IN”. Detent in neutral and “A” positions. CHB2 T wo position detent – spool “OUT”. Detent in neutr ...
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Parker Hannifin VO40 - page 22
18 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK [51] – Lever Brac ket Note: Handle Lev ers are sold separately (see PN listed belo w) SH Standard enclosed handle brac ket. SR Standard enclosed handle brac ket, b ut rotated 180 degrees . / No brack et, no handle , no boot (f emale cle vis on spool ...
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19 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK [60] – Spool Function D Doub le-acting (4-wa y) spool. W ork por ts bloc ked in the neutral position. EA Single-acting (3-wa y) spool. P or t “A” block ed in neutral. P or t “A” is activ e and P or t “B” is plugged. EB Single-acting (3-w ...
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Parker Hannifin VO40 - page 24
20 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK [62] – Piston Head Side of Cylinder The def ault f or this field is code M. Codes A and B are only used when asymmetr ical spools must be de veloped. F or e xample, a cylinder that requires meter-in f or one direction and meter-out f or the other . ...
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Parker Hannifin VO40 - page 25
21 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK The VO40 mid-inlet options are split or combined flo w . They are a v ailable with a main R V option. There is also a provision f or an outlet port on the split flow version only . The coding to specify a mid-inlet is made by three fields as sho wn ...
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22 Parker Hannifin Corporation Open-Center Directional Control V alv e V O40 Catalog HY17-8505/UK Assembl y Configuration Form PARKER HANNIFIN CORPORATION - HYDRAULICS GROUP SHEET 1 DE 1 VO40 - DIRECTIONAL STACK VALVE - DATA SHEET REVISION Date STATE: App. FILLED BY: 1 1 # 0 1 # 9 # 8 # 7 # 6 # 5 # 4 # 3 # 2 # 1 # n o i t p i r c s e d s o p s o ...
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Parker Hannifin VO40 - page 27
www .parker .com/euroh yd Covering the Industrial, Mobile and Truck markets, each catalog is paired with an interactive CD. Call for your comprehensive guides today. 00800 27 27 5374 (from AU,BE,CH,DE,EI,FR,UK only) All other countries should call one of the following: +44 1442 358 429 (English speaking service) +44 1442 358 428 (German speaking se ...
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Parker Hannifin VO40 - page 28
Cata log ue HY1 7 - 850 5 / UK POD 0 4 / 20 07 PC © Co pyrig ht 20 07 Parker Ha nni fin Co rpo rati on All r igh ts res er ved Parker Hannifi n is the w orld ’ s premier supplier of motion and con trol sy stems an d solutions , w ith sales and man ufacturin g faci lities thr oughout the w orld. For produc t infor mation an d details of y our n ...
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