I have a question regarding Yarway Automatic Recycle Valves. They all seem to say they are "flow sensing", but then seem to operate mainly on springs, while some have orifices. can anyone succinctly a

ok, so, if you have a twincharge set up on a chevy small block 400 cu. in motor, turbo feeding roots blower...  roots by itself at 4000 rpm produces 6lbs boost...turbo by itself at 4000 rpm produ

I really hope that somebody can help me. I need to find closing time for fuel system shut-off valve (Any valve but best of all would be for motor controled ball valve). Could anyone tell me how to do

We are having really very tough time while producing small metal seated ball valves in the range of 3/4" class 150(Floaters) to 2" class 300(trunnion).

I'm refurbishing a 16V cylinder head and was wondering if anyone has any tips on the details of fitting / grinding the valves. I've been advised that the optiomal sealing 'line' width (valve to seat)

I was wondering when it should close. Should it close gradually from above a certain level of inlet pressure on, or does it shuts close over a fairly short stroke of throttle, located somewhere above

Anyone knows the top three sellers for the butterfly valve in the world? How many competitors now in the USA and Euro.? Thanks for information.

there is on the market cheap alternatives to swagelok and parket fittings and conector for steel tubing . can somebody do comments