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Difference betwn knife & slide Gate valves 2010-10-25
A knife gate valve is just what it implies. Knife gate valves were originally designed for the pulp and paper industry. Stringy pulp would impinge between the wedge and seat of a normal gate valve and
gate valves for water and swerage valves 2010-10-22
Once you assemble the valve you should run a hydro (shell) test to 150% of the MAWP ( 427 psi for a class 150 valve, 1110 psi for a class 300 valve, etc.)
10" - 16" Manual Gate Valves "Double Seat" Trim Characte 2010-10-22
The gate valve spec. is Class 300 lbs SS body BW Sch40S Man Operated. The design conditions are T=200F and P=180 psig, in water. The Cv required is 3100.
Needle Valves vs Gate Valves 2010-10-22
Apart from the construction and manner of operation of the closure member, are there any other differences between gate valves and needle valves
Gate valve: solid or flexible wedge 2010-10-22
what are the reasons to use solid or flexible wedges in chemical service for gate valves.
Potable Water Valves 2010-10-22
Designing a potable water tank farm and I'm trying to determine whether or not the valve I want to use are acceptable.
BOV Question 2010-10-21
"The BOV/dump valve debate will rumble on throughout the worlds forums for years to come and it seems to me that no-one has the complete answer".
valve recommendation 2010-10-21
A valve used to shut off flow from a material holding tank. There is no pressure other than head pressure from the 12k gal tank. The material is a latex product.
