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Catalog excerpts

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Innovation and investments: a pragmatic approach Hydrocontrol has always concentrated its efforts on being a reliable, proactive partner for both large OEMs and small and medium-sized manufacturers. Hydrocontrol’s decision to take an active part in designing and developing products for earth moving machinery is not only a strategic choice but is essentially it’s vocation. Over the past forty years of activity, this decision has enabled the company to reach all the major international markets, obtain important accolades, and become one of the world leaders in the production of hydraulic...

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Living and working in the Global Market Hydrocontrol started its strategic activity of catering for the global market in 1998, since then we have opened subsidiaries in Europe, USA, China and India in order to be close and support the growth of these markets. The close proximity to the diverse markets has enabled us to understand their specific requirements, in many cases due to extreme working conditions, and by collaborating with local and global manufacturers of Mobile machinery we have found customised solutions. As a consequence of direct contact and problem solving activities with the...

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Product range General index Sectional valves Directional control valves with flow rates from 35 to 1.200 l/min Order example - sectional valve Sectional valves specifically designed for applications Tractor Mini-excavators Load-Sensing Proportional valves Directional control valves with flow rates from 40 to 130 l/min. Flow sharing pre-post compensated valves Directional control valves with flow rates from 130 to 450 l/min. Order example - flow sharing valve Monoblock valves Directional control valves with flow rates from 45 to 350 l/min. Order example - monoblock valve Monoblock valves...

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Product range Sectional valves HC-D9 Sectional valve for flow up to 35 l/min and 350 bar rated pressure. Especially suitable for miniexcavators and small machines, even with two and three pump circuits. pg. 12 HC-D3 Sectional valve for flow up to 45 l/min and 350 bar rated pressure. Especially suitable for mobile cranes and backhoe applications. pg. 14 HC-D3M Sectional valve for flow up to 55 l/min and 350 bar rated pressure. Especially suitable for mobile cranes and forest machines. pg. 16 HC-DVS10 Sectional valve for flow up to 45 l/min and 350 bar rated pressure. Especially suitable for...

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Product range Sectional valves HC-D6 Sectional valve for flow up to 100 l/min and 350 bar rated pressure. Especially suitable for backhoes, backhoe loaders and Wheel loaders. pg. 22 HC-D16 Sectional valve for flow up to 150 l/min and 350 bar rated pressure. Especially suitable for backhoes, backhoe loaders, Wheel loaders, garbage compactors, hook and skip loaders. pg. 24 HC-D12 Sectional valve for flow up to 180 l/min and 350 bar rated pressure. Especially suitable for mobile cranes, excavators, Wheel loaders, hook and skip loaders and marine cranes. pg. 26 HC-DVS20 Sectional valve for flow...

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Product range Sectional valves HC-D25 Sectional valve for flow up to 380 l/min and 350 bar rated pressure. Especially suitable for Wheel loaders, rough terrain cranes, drilling machines, marine cranes and presses. pg. 32 HC-D40 Sectional valve for flow up to 700 l/min and 350 bar rated pressure. Especially suitable for Wheel loaders, marine cranes, oil rigs and presses. pg. 34 HC-D50 Sectional valve for flow up to 1200 l/min and 250 bar rated pressure. Especially suitable for marine cranes, oil rigs and presses. pg. 36

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Product range General specifications TYPE Working sections number Parallel circuit stroke (mm) Series circuit stroke (mm) Float spool extra stroke (mm) Flow rate (l/min) RATED FLOW RATED PRESSURE Max working pressure (bar) Options chart TYPE Pilot operated pressure relief valve 2 stage pilot operated relief valve Direct acting pressure relief valve Externally piloted valve Solenoid dump valve (12 Vdc) Solenoid dump valve (24 Vdc) Main anticavitation check valve Clamping valve SPOOL ACTUATION Manual control Without lever 90° joystick control Hydraulic control Direct electric control (12-24...

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Product range Standard working conditions - Sectional valve Operating temperature range Kinematic viscosity range Max contamination level Recommended filtration level All information and diagrams in this catalogue refer to a mineral base oil VG46 at 50°C temperature (32 cSt kinematic viscosity) Fluid options Types of fluid (according to IS0 6743/4) Oil and Solutions Compatible gasket Polyglycol-based aqueous solution HFC For special applications and different fluids, please call our Technical Department. General classification Hydrocontrol sectional valves have symmetric bodies: thanks to...

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Product range Tie-rod kit classification for sectional valve (appendix “A”) Tie rod kit allows the correct assembling of sectional valves. Tie rods lenght depends on number of sections; each valve is assembled with tie rod kits including a tie rod, two nuts and two washers. Tie rod kit Tie-rod kit quantity (for sectional valve) CLAMPING TORQUE Special body classification - Sectional valve The following spools may require bodies with special machining (SPC): bodies with special machinings are not symmetrical and it is not possible to reverse spools. TYPE / SPOOL W012 (4 pos. double-acting...

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Product range Kit lever identification (appendix “B”) Hydrocontrol can supply a lever kit to be assembled on the valve’s manual controls; different lengths and threads are available. Lever kits must be ordered separately. classification lever Lever with knob Lever with knob for joystick control Lever without knob Lever lenght (mm) Lever thread Lever type Option Chart - Sectional valve TYPE / CODE

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Product range Hydraulic schematic - Sectional valve Parallel circuit When the spool is operated it intercepts the by-pass gallery by diverting the flow of oil to service port A or B. If two or more spools are actuated at the same time, the oil will power the service port that has the lower load; by throttling the spools, the flow of oil can be divided between two or more service ports. Parallel-Tandem circuit When the spool is operated it intercepts the switch gallery by diverting the flow of oil to service port A or B. The Tan- dem circuit is powered by the switch gallery thus permitting...

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All WALVOIL catalogs and technical brochures

  1. HC-SVM

    24 Pages

  2. HC-FL50

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  3. HC-M25

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  4. HC-SK6

    2 Pages

  5. HC-TR55

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  6. HC-D10

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  7. HC-M45

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  8. HC-NVD2

    2 Pages

  9. HC-MV99

    36 Pages

  10. HC-D4L

    1 Pages

  11. HC-D3L

    1 Pages

  12. HC-D6

    52 Pages

  13. HC-D4

    56 Pages

  14. HC-D3M

    52 Pages

  15. HC-D3

    52 Pages

  16. HC-D9

    40 Pages

  17. HC-SVM/SVE

    24 Pages

  18. HC - FL 50

    2 Pages

  19. HC - M 25

    2 Pages

  20. HC - SK 6

    2 Pages

  21. HC-BV50

    36 Pages

  22. HC -TR55

    36 Pages

  23. HC -M50

    40 Pages

  24. HC -D10

    36 Pages

  25. catalog

    96 Pages

  26. Flow sharing

    20 Pages

  27. data sheet

    40 Pages

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