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Parker Hannifin VO40 User's Manual
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1. A x I Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information Work Sections VO40 62 Piston Head Side of Cylinder The default for this field is code M Codes A and B are only used when asymmetrical spools must be developed For example a cylinder that requires meter in for one direction and meter out for the other M Standard symmetrical spool cylinder or motor A Piston head connected with port A B Piston head connected with port B Anti Cavitation RV AC Non Adjustable 76 A B Work Port Valves Check Pressure Setting Stamped on Cap Y plug for blocking RV cavity This pertains to the work port accessory options Port not machined Y2 Relief Valve cavity plugged N2 Anti cavitation valve RV AC Non Adjustable Enter Pressure setting PSI or Bar Note RV Set at 10 LPM 2 6 GPM C2 Pilot Operated Checks Lock out valve Refer to page 16 88 A B Work Port Option No Restrictor Work port restrictors restrict flow in one direction and are free flow in the opposite direction Restrict flow out of actuator into work port Restrict flow out of work port into actuator 1 1mm 0 040 ACTUATOR N1 1mm 0 040 ACTUATOR METER OUT METER IN P2 2mm 0 080 P3 3mm 0 120 P4 4mm 0 160 N2 1mm 0 080 N3 1mm 0 120 4 1mm 0 160 90 Spacer
2. Circuit Types Tandem Circuit Priority In the open center tandem circuit oil flows through the open center passage when all of the spools are in neutral Tandem work sections are fed from the open center and the parallel path is blocked A tandem work section will give priority to an upstream work section 6 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Dimensions VO40 Inch equivalents for millimeter dimensions are shown in Assembly 9 420 4 32 0 P320 32 0 0 37 0 01 1 26 1 26 1 26 EIAN 70 0 140 0 161 8 213 6 5 51 6 37 an 2000 55 0 o 0 98 oo 88 8 27 04 1 06 76 0 3 00 32 0 1 26 x No WORK STATIONS 191 0 7 51 B 32 0 1 26 32 0 1 26 x No WORK STATIONS Spool Stroke of Work Sections 3 Position Spool 4 Position Spool 402 Float aa A 27 o qe 9 5 0 37 FLOAT STROKE 5 5 5 5 0 22 0 22 114 2 4 50 0 22 0 22 STROKE STROKE STROKE STROKE 84 0 3 31 7 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Dimensions VO40 Mechanical Joystick Inch equivalents for millimete
3. P1B Plugged M 24 T1 z Open gt Plugged Gage Port 25 T2 Open T2B Plugged 27 P2 Open P2B Plugged Cavity INLET OUTLET 2 Standard Top Inlet Outlet Ports die 26 1 Open 24 T1 Open T1B Plugged Relief 25 Not Machined Valve 27 Not Machined OUTLET Parker Hannifin Corporation Catalog HY17 8505 UK Ordering Information Inlet Cover VO40 16 Main Relief Options PS PB PN PA Adjustable main pilot operated relief Adjustment range 50 to 300 bar 725 to 4300 PSI Adjustable main pilot operated relief Tamperproof aluminum cap Adjustment range 50 to 300 bar 725 to 4300 PSI Adjustable main direct acting relief Adjustment range 60 to 207 bar 900 to 3000 PSI Adjustable main direct acting relief Tamperproof aluminum cap Adjustment range 60 to 207 bar 900 to 3000 PSI Y plug cavity machined and plugged 17 Pressure Setting Enter pressure setting PSI or Bar Note Relief valve code PN and PA max setting is 207 bar 8000 PSI 17C Relief Flow Setting Flow in LPM or GPM 13 Open Center Directional Control Valve Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information Outlet Cover VO40 The 40 outlet cover is available in two versions Standard or with pi
4. 40 valve can be supplied in combinations from one to ten work sections For each work section there is a variety of spool options actuators positioners and port accessories Work sections can have parallel series and or tandem circuitry All types can be combined in the same valve assembly All work sections with hold in neutral spools have transition checks load checks All work sections with free flow in neutral spools motor do not include transition checks load checks Contact Parker if you require a deviation from this configuration Work sections are available with or without work port option machining Integrated pilot operated checks Lock Out are available in a specially machined casting ordering code on page 20 76 A B A spacer section which provides for more spacing between sections is also available ordering code on page 20 90 Examples of work port machining options Section without RV Cavities Section with RV Cavities m Section with PO Checks The 40 Pilot Operated Check Lock Out sections provide near zero leakage and can prevent cylinder drift when the spool is in the neutral position When the spool is shifted to a power position oil is directed to one work port Return oil is momentarily blocked until pilot pressure unseats the check 3 1 1 ratio With 207 bar 3000 PSI load it will require 67 bar 968 PSI into the opposite work port to unlock The spool is a 4 way 3 position free flo
5. 130 5 9 9 1305 9 a FE Ve a 8 Section Valve 3 Section Valve 870 6 1 Section Valve 870 6 1 Section Valve 435 3 435 3 0 0 LPM 10 20 30 40 50 LPM 10 20 30 40 50 GPM 2 6 5 3 7 9 10 6 13 2 GPM 2 6 5 3 7 9 10 6 13 2 Flow Flow Pressure Drop P gt A Pressure Drop PSI Bar Top Inlet to Cylinder Port ei Bar Cylinder Port to Side Outlet 217 5115 217 5 15 vol wt socion vane nal et FRIE 3 Section Valve 1 Section Valve 0 130 5 9 9 130 5 8 Section Valve a 2 3 Section Valve H 87 0 6 amp 870 1 Section Valve 43 5 3 43 5 0 LPM 10 20 30 40 50 GPM 2 6 5 3 7 9 10 6 13 2 GPM Flow NOTE ISO VG 46 oil 50 C Environmental Characteristics The valve can be mounted in all conceivable directions However the mounting base should be flat and stable so that the valve is not subjected to strain While the o rings in the valve are normally of nitrile rub ber there are a number of special fluorocarbon variants Please contact Parker for further information Temperature Oil temperature working range 20 C to 90 C 68 to 194 F Filtration Filtration must be arranged so that Target Contamination Class 20 18 14 according to ISO 4406 is not exceeded For the pilot circuit Target Contamination Class 18 16 13 according to ISO 4406 must not be exceeded Hydraulic Fluids Best performance is obtained using mineral base oil of high
6. 98C Mid Inlet Relief Flow Setting Flow in GPM or LPM Darker 21 Parker Hannifin Corporation Open Center Directional Control Valve VO40 LI ONIHIN3SSV 8 1HOd NOILO3NNOO v Y 1HOd NOLLOANNOO 9 9959 5250595 QOTO 0059 9 531 0858320 Parker Hannifin Corporation jou 3ue q 15 0 HOVIN NOILO3S Wadd Bumes mols 15 1531 isa Bumes eansseig NI YILIN i PIN 3 uonoes 190205 1 5 H35VdS Suoduoiopused 999 1570 HON 5 v uod uo 1opinsey WEE NOILO3S N d dde 9 Zd dung ZZ SNOISIA3H v vod YOZ Ld dung 92 epspeeuuosid Z9 21 Ge 15972 HOM uogounjjoods 09 LL pe NOILO3S sod joods 28 INd9 Sumas 51 JO 164 Bumes 1 1 9p eg GL og Jp
7. 40 has two basic thread versions UNF SAE or 5 04 Connections Thread G 3 8 BSP Inlet Outlet amp Work Ports U 9 16 UNF SAE 6 Inlet Outlet amp Work Ports 9 16 UNF SAE 6 Work Ports 3 4 UNF SAE 8 Inlet Outlet Ports U8 3 4 UNF SAE 8 Inlet Outlet amp Work Ports 05 System Voltage To be determined when the solenoid option is released 07 Surface Treatment Paint X No Paint P Paint valve black 08 Customer Designated ID Enter Customer Part Number 11 Parker Hannifin Corporation Catalog HY17 8505 UK Ordering Information Inlet Cover Open Center Directional Control Valve VO40 The inlet cover of VO40 is available in two versions One is the standard inlet and the other is an inlet with sole noid pump unloader in development The porting location options for the standard inlet are 1 Top side inlet and outlet ports Any unused ports can be plugged 2 Top inlet and outlet ports only All inlet bodies have a gage port that comes plugged SAE 4 7 16 x20 UNF thread or 1 4 BSP The coding to specify an inlet cover is accomplished by eight fields as shown below 12 Max Pump Flow The pump inlet flow can be selected in LPM or GPM 15 Type of Inlet Standard Inlet IU Inlet with pump unload solenoid actuated in development 24 to 27 Inlet Porting Options 1 Standard Top amp Side Inlet Outlet Ports 26 1
8. Hydraulics Group Sales Offices Europe Austria Wiener Neustadt Tel 43 0 2622 23501 Fax 43 0 2622 66212 Austria Wiener Neustadt Resp for East Europe Tel 43 0 2622 23501 970 Fax 43 0 2622 23501 977 Belgium Nivelles Tel 32 0 67 280 900 Fax 32 0 67 280 999 Czech Republic Klecany Tel 420 284 083 111 Fax 420 284 083 112 Denmark Ballerup Tel 45 43 56 04 00 Fax 45 43 73 81 07 Finland Vantaa Tel 358 20 753 2500 Fax 358 20 753 2200 France Contamine sur Arve Tel 33 0 4 50 25 80 25 Fax 33 0 4 50 25 24 25 Germany Kaarst Tel 49 0 2131 4016 0 Fax 49 0 2131 4016 9199 Ireland Dublin Tel 353 0 1 466 6370 Fax 353 0 1 466 6376 Italy Corsico MI Tel 39 02 45 19 21 Fax 39 02 4 47 93 40 The Netherlands Oldenzaal Tel 31 0 541 585 000 Fax 31 0 541 585 459 Norway Ski Tel 47 64 91 10 00 Fax 47 64 91 10 90 Poland Warsaw Tel 48 0 22 573 24 00 Fax 48 0 22 573 24 03 Portugal Leca da Palmeira Tel 351 22 999 7360 Fax 351 22 996 1527 Slovakia Ref Czech Republic Spain Madrid Tel 34 91 675 73 00 Fax 34 91 675 77 11 Sweden Sp nga Tel 46 0 8 59 79 50 00 Fax 46 0 8 59 79 51 10 United Kingdom Warwick Tel 44 0 1926 317 878 Fax 44 0 1926 317 855 International Australia Castle Hill Tel 61 0 2 9634 7777 Fax 61 0 2 9842 5111 Canada Milton Ontario
9. 149 xew ep uonduosep sod uonduosep sod uonduosep sod 1971110 NOILOAS FEB SOd MOVLS GALVNOISAd YAWOLSNO 80 SNUNIVd 20 ANN 91 6 S1HOd ANY ANN v L ONY d 9n avauHL 8 AVS ANN v S1HOd TIV 8n DOA be VG ADVLIOAWSLSAS 60 9 ANN 91 6 SLUOd TY SNOLLO3NNOO 0 358 8 6 SLHOd TIV 5 aunssaud Wd Ag H3NOLSno 31918 ALIO NOILVOMddV YAWOLSND N d 133HS VLVG MOV LS WWNOLLOSHIC 1 1 9 NOLLVHOdHOO NISINNVH H3 5lu Vd Assembly Configuration Form Catalog HY17 8505 UK Extensive Hydraulic Product Offering Accumulators Compact Hydraulics Cylinders m Standard and custom hydraulic cylinders for industrial and mobile applications Piston bladder and di aphragm type accumulators gas bottles and KleenVent reservoir isolators Self contained with a motor gear pump reservoir inter nal valving load hold checks and relief valves Motors 4 Full line of high and low Filtration Integrated Hydrau lic Circuits ec 7 ye Solutions for complex circu its that include threaded cartridge valves integrated into
10. Tel 1 905 693 3000 Fax 1 905 876 0788 China Shanghai Tel 86 21 5031 2525 Fax 86 21 5834 8975 Asia Pacific Group Hong Kong Tel 852 2428 8008 Fax 852 2425 6896 India Mumbai Tel 91 22 5613 7081 82 85 Fax 91 22 2768 6841 6618 Japan Tokyo Tel 81 3 6408 3900 Fax 81 3 5449 7201 Latin America Group Brazil Tel 55 51 3470 9144 Fax 55 51 3470 9281 South Africa Kempton Park Tel 27 0 11 961 0700 Fax 27 0 11 392 7213 USA Cleveland industrial Tel 1 216 896 3000 Fax 1 216 896 4031 Lincolnshire mobile Tel 1 847 821 1500 Fax 1 847 821 7600 Parker Hannifin is the world s premier supplier of motion and control systems and solutions with sales and manufacturing facilities throughout the world For product information and details of your nearest Parker sales office visit us at www parker com or call free on 00800 2727 5374 Catalogue HY17 8505 UK POD 04 2007 PC Copyright 2007 Parker Hannifin Corporation All rights reserved
11. Section N Spacer Section This section connects the open center parallel path and tank cores between two adjacent work sections Tank This section is used to provide additional spacing between two work sections All other fields in the work section code can be left blank Contact Parker SER 1 OPEN for size options available CENTER PARALLEL PARALLEL PATH 20 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information Mid Inlet VO40 The VO40 mid inlet options are split or combined flow They are available with a main RV option There is also a provision for an outlet port on the split flow version only The coding to specify a mid inlet is made by three fields as shown below Mid Inlet Pelief Valve Combined Flow C3 Split Flow C5 Mid Inlet Opora Pump Port INLET iona Outlet Port INLET C5 Only PARALLEL 1 PARALLEL PATH PATH __ PATH 93 Mid Inlet Options C3 Combined Flow Port A inlet Port B is plugged and not available to tank C5 Split Flow Port inlet Port B is optional tank port 94 Main Pressure Relief Y Without pressure relief cavity machined and plugged Pressure Setting Stamped on Cap PA Direct acting relief valve non adjustable 98 Pressure Setting Enter pressure PSI or Bar
12. a work section to be replaced without completely disassembling the valve assembly This is accomplished by loosening the top tie bolt and then lifting the section out of the assembly Downtime is minimized Easy conversion from a left handed to a right handed section the work section housing and spool symmetrical which enables the spool to be inserted in either end of the housing Improved spool seal life the enclosed handle assembly protects the spool and spool seal area from contamination and the potential corrosion Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Technical Information VO40 Workport Relief thie RE Valve or Plug 76 A B Spool Positioner 50 Load Check Valve E 66 Tank Connection T2 25 Tank Connection T5 35 Pump Connection P1 26 a4 Ie Tank Connection Power Beyond T3 33 Pump Connection P2 27 Tank Connection T1 24 4 m Inlet Cover 15 Tank Connection T4 34 9 99 3 Era x B Outlet Cover 30 Work Port A Section 1 Standard Handle Main Pressure SH 51 Relief 16 Specifications Inlet Port 300 bar 4350 PSI Connections Tank Port 50 bar 725 PSI Standard val ilable in 3 8 BSP DIN 3852 2 SAE 6 Work Ports 300 bar 4350 PSI S RAE 1926 1 dud Flow Rates 40 LPM 10 6 GPM P1 P2 34 16 UNF 94e 18 UNF recommended Internal P
13. is assembled onto one side of the work section and the opposite end is open and available for the addition of a handle A min of 5 5 bar 80 PSI is required The threaded ports are both 1 8 NPT Parker 17 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information Work Sections VO40 51 Lever Bracket Note Handle Levers are sold separately see PN listed below SH Standard enclosed handle bracket SR Standard enclosed handle bracket but rotated 180 degrees No bracket no handle no boot female clevis on spool LU No bracket but with boot protector at spool end female clevis on spool 5 MJL Mechanical Joystick left side version must be placed on two adjacent work sections MJR Mechanical Joystick right side version must be placed on two adjacent work sections p 7 8 Handle Rod Assembly is sold as a separate line item PN K VO40 H1 51C Spool Clevis or Handle Bracket Location This field is used to indicate the location of the handle lever and bracket assembly Harndisor adjacent to port A or port B side of the work section Clevis on B Side A Spool Clevis or Handle Bracket on port side B Spool Clevis or Handle Bracket on port B side Port B Side Outlei Inlet Cover o D Cover Port A Side Jk 52 Spool Position Indication V dE Without spool position indicator oper SD With mi
14. quality and cleanliness in the hydraulic system Hydraulic fluids of type HLP DIN 51524 oil for automatic gearboxes Type A and engine oil type API CD can be used Viscosity working range 15 380 mm s 15 380 cST Technical information in this catalog is applicable at an oil viscosity of 30 mm s 30 cST and temperature of 50 C 122 F using nitrile rubber seals Product operating limits are broadly within the above range but satisfactory operation within the specification may not be accom plished Leakage and response will be affected when used at tem perature extremes and it is up to the user to determine acceptability at these levels Performance efficiency will be reduced if outside the ideal values These extreme conditions must be evaluated by the user to establish suitability of the product s performance Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Technical Information VO40 Circuit Types Parallel Circuit In the open center parallel circuit oil flows through the open center passage when all of the spools are in neutral When spools are shifted oil is diverted into the parallel path and available to each of the selected work sections Simultaneous operation can be achieved when two or more spools are selected However since oil will take the path of least resistance the operator must meter the flow to each function to get a desired function speed
15. valve Pressure setting PSI Relief Flow Setting GPM Example Inlet Cover Sect 1 Customer has 23 l min pump flow requires a pilot operated main relief set 140 bar and wants all SAE 8 work ports Reference position 4 calls out the thread option for the entire valve assembly SAE or BSP U8 is the code for all SAE 8 size ports Note There is a separate specification sheet which utilizes metric units Reference position 12 calls out the system flow and can be listed in LPM or GPM depending on which spec sheet you are using 23 is entered for flow Reference position 15 gives you an option for a standard type inlet I or an unloader type inlet cover IU I is entered for std inlet cover Reference position 16 indicates the type of main relief valve PB is the code for a pilot operated RV Reference position 17 Enter desired relief valve setting 140 bar is entered Reference position 17C Enter desired flow for relief valve setting 23 l min is entered Reference position 24 27 calls out the inlet outlet porting machined plugged options T1 is the top tank port open T2B is code for side tank port plugged P1B is code for top inlet port plugged P2 is code for top inlet port open 10 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information VO40 Valve Assembly General Information The
16. VO40 Open Center Directional Control Valve Catalog HY17 8505 UK April 2007 Catalog HY17 8505 UK Open Center Directional Control Valve VO40 N WARNING FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH PERSONAL INJURY AND PROPERTY DAMAGE This document and other information from Parker Hannifin Corporation its subsidiaries and authorized distributors provide product and or system options for further investigation by users having technical expertise It is important that you analyze all aspects of your application including consequences of any failure and review the information concerning the product or sys tem in the current product catalogue Due to the variety of operating conditions and applications for these products or systems the user through its own analysis and testing is solely responsible for making the final selection of the products and systems and assuring that all performance safety and warning requirements of the application are met The products described herein including without limitation product features specifications designs availability and pricing are subject to change by Parker Hannifin Corporation and its subsidiaries at any time without notice Offer of Sale Please contact your Parker representation for a detailed Offer of Sale Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional C
17. a single manifold Pressure and return line filters enhances machine life reduces maintenance and lowers costs up to 1700 Nm of torque Rotary Actuator Power Units Pumps Industry leader in the design and manufacture of hydrau lic rack and pinion and vane style rotary actuators Broad line of energy ef ficient hydraulic pumps that includes piston vane and gear pumps The most complete line of standard pre engineered cataloged hydraulic power units in the industry 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 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 Industrial Bulletin i HY02 8022 m Lem puel Mobile Bulletin French speaking service TUA www parker com eurohyd Electronics Remote Controls Parker s unique IOAN ap proach combines sturdy well tested hardware with intelligent flexible compu ting power Power Take Off 2 Parker Chelsea leads the speed motors provides power industry for engineering innovation and performance in auxiliary power systems Valves and Controls nn Hydraulic valves for virtual ly every hydraulic equipment application from simple to precise control Truck Bulletin HY02 8020
18. cro switch on off indicator in development 18 Parker Hannifin Corporation Catalog HY17 8505 UK Ordering Information Work Sections VO40 60 Spool Function D EA EB DM DA DB Double acting 4 way spool Work ports blocked in the neutral position Single acting 3 way spool Port blocked in neutral Port A is active and Port B is plugged Single acting 3 way spool Port blocked in neutral Port B is active and Port A is plugged Double acting 4 way spool Work ports open to tank in the neutral position Note work section with this spool does not have a transition check load check Double acting 4 way spool with a 4th position in which both work ports are connected to tank float position Work ports are blocked in the neutral position Double acting 4 way spool Work port pressure is bled to tank when the spool is in the neutral position Bleed notch is designed for 1 9 LPM 69 bar 0 5 GPM 1000 PSI Double acting 4 way spool Work port pressure is bled to tank when the spool is in the neutral position Bleed notch is designed for 0 5 1000 PSI 1 9 LPM 69 Bar Double acting 4 way spool Work port B pressure is bled to tank when the spool is in the neutral position Bleed notch is designed for 0 5 GPM 1000 PSI 1 9 LPM 69 Bar 19 Open Center Directional Control Valve T
19. d quality The hydraulic valves we manufacture comply with relevant ISO CSA CE and AMEX standards In addition Parker hydraulic valves and valve manifolds are fully tested and certified before being released to the customer You can expect Parker hydraulic valves to work the first time every time Open Center Directional Control Valve VO40 Customer Service with A Global Reach Parker 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 evaluate applications and design solutions MSEs support field sales efforts by managing difficult design problems and complex circuit design You also benefit from Parker Mobile Technology Centers that are staffed by specially trained distributors who provide only the highest levels of customer service These one stop shops offer complete hydraulic systems design for mobile applications as well as technology services such as diag nostics troubleshooting computer design testing and integration of electronic controls Finally our thousands of depend able distributors are strategically located in your markets They carry inventory to meet specific local market needs and they ensure that products arrive when and where they are needed You can count on Parker distributors to minimize downtime To locate your nearest di
20. es can be designed to accommodate resistive loads meter in and nega tive loads meter out To accommodate multiple pump circuits split flow and combined flow mid inlets are available LI i Mull p Benefits Enhanced metering especially during simultaneous operation this is accomplished by having notches in the three critical areas of the spool open center parallel path and tank Improved simultaneous metering having a transition check in each work section ensures that a load does not dip downward when metering two or more work sections Repeatability consistent metering from valve to valve is achieved by flycutting all of the critical cast lands This means that the notch position relative to the spool stroke is controlled and predictable The result is consistent machine control Reduced operator fatigue the open center core is a split wing or Y core design which provides for a consistent lever force when selecting the spool from neutral to both power positions Reduced function drift low internal leakage accomplished thru the use of contemporary honing technology Also for those functions requiring near zero drift pilot operated checks are available Small footprint port accessories are installed vertical to the spool allowing the handle to be positioned closer to the valve bogy Ease of service the bottom two stud assemblies are slotted enabling
21. ilot Required for solenoids Spool Leakage Max 6 mL min 172 bar 2500 PSI from work port Oil temp 50 122 F and viscosity T3 34 16 UNF 9 18 UNF PB1 Outlet 34 16 UNF 94e 18 UNF 36 19 Welde Pet 9 98 19 to tank 40 cSt Weights are approximate due to number of variations Work Ports Work 34 16 UNF 246 18 UNF available Sections Inlet with relief 1 92 kg 4 2 Ibs SER 7 e 20 UNF 7 20 UNF Outlet 1 88 kg 4 1 Ibs PC Work Work section with reliefs and 1 93 kg 4 3 Ibs Hyd Conn 746 20 UNF 74e 20 UNF manual actuator BT Work or Work section and manual actuator 1 98 kg 4 4 Ibs Ye NPT NPT without reliefs Work Section PO Checks with 2 1 kg 4 6 Ibs manual actuator Joystick assembly 0 8 kg 1 8 Ibs 4 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Technical Information VO40 Performance Curves Pressure Drop Open Center Pressure Drop Open Center par Es Side Inlet to Side Outlet Top Inlet to Top Outlet 217 5115 217 5115 isle olo 1 174 0 12 174 0 12
22. kage components are designed and tested for mobile applications to help increase machine uptime The IQAN valve drivers offer superior control of propor tional hydraulic functions resulting in increased machine productivity Non programmers find IQAN s programming interface easy to use reducing development time Fur thermore excellent diagnostic tools and remote modem connection help cut field service time Total Machine Motion Control You can turn to us for all your mobile motion control solutions We offer stand alone valves as well as custom designed manifolds with integrated directional control valves No matter what type of system you choose Parker solutions provide top notch performance and reli ability Our systems are optimized to reduce complexity size cost and fluid leakage Therefore working with Parker can significantly cut your machine build time Parker Hannifin Corporation Catalog HY17 8505 UK Introduction State of the Art Manufacturing Parker is committed to using lean manufacturing to eliminate waste while streamlining processes Lean technology helps us meet customer request dates quickly and cost effectively We also rely on state of the art equipment and technology such as computer aided machining to ensure product quality We regularly invest in our ISO 9001 certified manufacturing facilities because we are committed to meeting all international standards for safety an
23. lot generation and regulation for proportional solenoid applications The standard outlet has two porting configurations available 1 Top and side outlet ports along with machining for conversion to power beyond or closed center 2 Top outlet only The coding to specify an outlet is made by four fields as shown below 30 Type of Outlet US Standard USP With pilot pressure generation to be used on solenoid valves in development 33 to 35 Outlet Porting Options 1 Top and Side Oulet Ports 2 Top Oulet Port Only 34 T4 Open Plugged 34 T4 Open T4B Plugged 33 T3 Port Open T3B Port Plugged CT Closed Center Plug ST Power Beyond Sleeve PT Pressure Buildup Valve 35 5 Open T5B Plugged 33 Not Machined 35 Not Machined OUTLET OUTLET LL TLET TANK OU TANK LU OPEN OUTLET CENTER OPEN CENTER L 14 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information Outlet Cover VO40 33 to 35 Outlet Porting Options Power Beyond Closed Center OUTLET OUTLET Li Li OUTLET OUTLET TANK TANK LI OPEN POWER OPEN CLOSED CENTER BEYOND CENTER PLUG 15 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information Work Sections VO40 The
24. of this book and is also available in an electronic Excel format on our web site This form should be used to configure a valve assembly The layout starts from the inlet cover on the left work sections and mid inlets in the middle and the outlet cover on the far right Each field will require an entry and the fields are represented with a position reference to help guide you to the option codes listed in the catalog pages 11 to 21 Inlet Cover Portion of Spec Sheet Code Position Reference Customer Information Section Number starting with the Inlet Cover CUSTOMER CITY STATE lore FILLED BY G ALL PORTS 3 8 BSP 04 CONNECTIONS U ALL PORTS 9 16 UNF SAE 6 THREAD U8 ALL PORTS 3 4 UNF SAE 8 U6 P AND T 3 4 UNF AND WORK PORTS 9 16 UNF 2 STACK POS 1 47 51 BIC or tarate caion Spool function Piston head side ense f ____ 88A Restrictor on port A e E _ _ p Max Inlet flow GPM Type of Inlet Main relief valve Pressure setting PSI Relief Flow Setting Tank connection T1 Tank connection T2 Pump connection P1 N 7 Pump connection P2 P N SECTION P N MCH CAST 88B SPACER SECTION Spacer Section MID INLET Mid Inlet type 94 Main relief
25. ontrol Valve Contents VO40 TTE TEE D T orem 1 Technical Information cpi Mem 3 pee 3 cgi m 3 cael 4 i n 4 Bop le ai m 4 Penoimante CUVE m 5 Ernvronnenmal TEN GU iei iater aa a A i AA EEEE 5 YPE Tm 6 Dimens OS M 7 8 Hande ys Spool e eae ene ree et ere ms 9 Ordering Information m 10 11 WANE ge t 12 13 gig c 14 15 jc RE 16 20 gi 21 Assembly se cnin me 22 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve VO40 Conversion factors 1 kg 2 2046 Ib 1N 0 22481 Ibf 1lbar 14 504 psi 11 0 21997 UK gallon 11 0 26417 US gallon 1cm 0 061024 in 1m 3 2808 feet 1mm 0 03937 in 9 5 C 32 F IV Parker Hannifin Corpora
26. r dimensions are shown in Dual Actuator 62 0 REF 2 44 Handle Rod 42 8 1 a of N 5 TESTS 8 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Technical Information VO40 Handle Actuation vs Spool Direction Push Handle TANK TANK Spool Out Energize port B OPEN OPEN Port A to tank LEE CENTER PARALLEL Pull Han PARALLEL ull Handle A E PATH Lo PATH Note Circuit reflects spool position not handle Spool In Energize port A e Port B to tank position Upstream View Section 1 Section 2 Inlet Cover Workport B Workport A Left Hand Joystick Right Hand Joystick Spool OUT Section 1 Spool OUT Section 2 Power to B Port Power to B Port Spool OUT Section 2 Spool IN Section 2 Spool IN Section 1 4 Spool OUT Section 1 Power to B Port Power to A Port Power to A Port Power to B Port Spool IN Section 1 Spool IN Section 2 Power to A Port Power to A Port 9 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information VO40 How to Order the VO40 Valve Assembly A specification sheet is located in the back
27. stributor for the latest information on the 40 Directional Control Valve or our entire mobile valve line up visit us at www parker com eurohyd Parker Hannifin Corporation Catalog HY17 8505 UK Technical Information Open Center Directional Control Valve VO40 General Description The 40 is an open center directional control valve with the flexibility of sectional construction Consis tent with this technology it is simple in its application reliable easy to troubleshoot and cost effective The global design reflects the performance and quality ex pected by today s machine designers Spools have me tering notches in the three critical areas open center parallel path and tank which optimizes simultaneous metering Contemporary honing technology is used to deliver low work port to tank leakage Additionally each work section has a transition check to ensure that a load does not dip during simultaneous operation of these features plus those listed below were intend ed to take machine controllability to the next level Operation The 40 incorporates traditional open center technol ogy It is usually interfaced with a constant flow pump whose flow is routed directly to tank when the spools are in neutral When one or more spools are selected flow is directed to the actuators The throttling of that flow depends upon the spool position and the design of the metering notches Spool notch
28. tion Catalog HY17 8505 UK Introduction Open Center Directional Control Valve VO40 Breadth of Line Parker Hannifin is a Fortune 500 company with sales of 9 billion and over 400 000 customers in 43 countries Parker is the world s leading supplier of motion control components and system solutions serving the mobile industriale 7 4 and aerospace markets Parker is your single source for any hydraulic valve require ment We provide a wide selection of open center and load sense s lt directional control valves for any construction off highway or on highway application Many of our open center valves can be adapted and used as closed center constant pressure and constant pressure unloaded valves Each of these technologies offers unique features for improved machine performance over traditional open center control valves When remote control is required Parker provides a broad line of pilot controllers that are compact and pressure matched with our control valves to provide consistent and optimized machine control There are a variety of electric switch handle options available for additional function control by the operator Parker s premier IQAN electron ics packages range from simple stand alone controllers to large multiple CAN bus systems with color displays For example IQAN interfaces with new electronic diesel engines over the SAE J1939 CAN bus Pac
29. w spool which prevents system pressure leakage from building up and unlocking the PO checks The coding to specify a work section is made by 11 fields as shown below 47 Work Section Circuitry P Parallel Circuitry T Tandem Circuitry Provides priority to upstream sections S Series Circuitry In development Darker 16 Parker Hannifin Corporation Catalog HY17 8505 UK Open Center Directional Control Valve Ordering Information Work Sections VO40 50 Spool Actuators C CD C Spring centered to neutral position CD Spring centered with dual control CHA2 Two position detent spool IN Detent in neutral and positions Two position detent spool OUT Detent in neutral and B positions CHB3 Three position detent B2A Spring centered with IN detent Detent in A position and spring centering to neutral position B2B Spring centered with OUT detent Detent in B position and spring centering to neutral position B2C Spring centered with detent in two positions A amp B CB Spring centered with detent in fourth position used with float spool PC Hydraulic Remote Actuator Proportional EC Solenoid Operated Proportional in development ED Solenoid Operated On Off ACP Pneumatic actuator single ended The pneumatic actuator for the 40 allows the spool to be operated by a pneumatic signal The pneumatic actuator
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