I am new to Valves and need to know about the differences between various valve designs and when to use them.

We continually have reliability problems with industrial-grade, rubber-lined butterfly valves that we use for onstream isolation of our cooling water (sea water)exchangers. We have tried them all ---

I am building a simple flow loop to test flow capacity (water) thru valves. Is there a "building flow loops for dummies" book available?

I am finding leakage in ball valve,when it is in closed condition.The Teflon seat is loaded by spring force from either end of ball(Inlet & outlet flow).However experts opinion is at cold flow(-20 deg

I have a Homestead 126 Eccentric Plug Valve with Neoprene plug coating and seals and memory stop handle trim. I have this valve installed on the pump discharge of a condensate heating system.

I have a problem that I though you could help me with. :)I need some kind of device that closes on high pressure. What are the options?

I've been tasked with determining whether our subsea choke valves are at risk due to erosion. The design data is:flow of water = 4000 m3/day (SG = 0.96)flow of oil = 2000 m3/day (SG = 0.87)flow of NG

I am having a requirement for two nos of 1" Class 150- C.S. gate valves. Being socket welded valves, i had specified them as class 800. However I am having two different pipe wall thickness for 1" pip