Posted by pete 23 on March 03, 2013 at 14:06:11 from (74.47.40.242):
In Reply to: Gresen 3 Spool Valve posted by IAtractorKid on March 03, 2013 at 11:39:33:
There are so many different valves out there hard to say for sure. But, I feel the valve should have a centering spring on all three, (spring back to center). If it has float it should have a seperate detent in end cap to hold it in the float positon but spring to center when pulled back out of float. Open center valve you can blow into inlet right on through to outlet with all valves centered. Closed the flow will be blocked when blowing into inlet. As far as relief valve pressure, hard to tell, might be around 1500 to 1800 psi. Would have to put a gauge in any work port and dead head that port or T into input port and dead head any valve. Far as 3/4 inch pipe fitting they will handle that flow no problem.
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