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hydraulic valve help !

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hydraulic valve help !

Unread postAuthor: matti » Wed Aug 03, 2016 11:15 am

I'm working with system that would need a FAST reciprocating hydraulic cylinder. Valve would need to work with no electrical power.. only way to make it is to use pilot operated valves.. I think :lol: We actually have a cylinder that can run fast and we need it to go 600 strokes / min.

BUT.. most valves break down after some time or cannot be operated at those speeds at all (600cycles/min). Valve that I would need to find is normal 2 position directional control valve for the cylinder (pilot operated probably) but have any of you seen fast enough valve for doing this :roll:

valve need to be able to flow over 150l / min and pressure of about 200-250bar :D

Please let me know if any of you know a manufacturer of fast hydraulic valves

This is for a project at work and I will try to help with it :bounce:
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matti
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Re: hydraulic valve help !

Unread postAuthor: jimmy101 » Fri Aug 05, 2016 11:32 am

A diesel fuel injector is faster than that (they run up to about 4,000 cycles/sec) but the flow and input pressure (~20 ATM?) probably isn't high enough. There are some very high pressure diesel injectors (up to 10K ATM).
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Re: hydraulic valve help !

Unread postAuthor: jackssmirkingrevenge » Sat Aug 06, 2016 8:07 am

Maybe a reciprocating pop-off?



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Re: hydraulic valve help !

Unread postAuthor: matti » Sun Aug 07, 2016 12:32 pm

thanks, but I would need something like 4/2 or 5/2 directional control valve to drive the cylinder :roll:
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