Recently i came across a requirement 16 Inch to 24 Inch ANSI 600 Class Ball Valves with Solid Tungsten Carbide trims. All the quotes i have received is with Tungsten Carbide Coating and not solid Tungsten carbide. The consultant is firm on his requirement (ie Solid Tungsten Carbide).
1. Is it...
Recently i came across a requirement 16 Inch to 24 Inch ANSI 600 Class Ball Valves with Solid Tungsten Carbide trims. All the quotes i have received is with Tungsten Carbide Coating and not solid Tungsten carbide. The consultant is firm on his requirement (ie Solid Tungsten Carbide).
1. Is it...
Can anyone help how to determine the Solenoid/Air Filetr Regulator Cv required for attaining stroking speed in a Rotary Valve
I have details like this
Actuator Volumetic displacement - 165 litres
Ball Valve closing time reqd - 15 Secs
Ball Valve Opening time reqd - 15 Secs
is there any...
Can we use PTFE Gland packing in Fugitive Emission Control design (Globe Valves). I heard PTFE will fail during thermal cycle tests as prescribed in ISO 15848?
Also is double packing arrangement is a must for FE design?
Can any one send me a table that contains property of Elastomer rubbers used in Butterfly valves (mainly resistance of Elastomers to different medias, temperature withstanding.)
Can any one explain advantages or disadvantages between 1 piece, 2 piece & 3 piece body design in ball valves.
Normally Socket welded/screwed end ball valves are 3 piece in design with most of manufacturer. is it have any specific advantage?
advance thanks for replys.
We are having a Metal seated jacketed Butterfly valve for vacuum service in our Plant fromthe year 2001. Now During Physical inspection of the Valve we are finding Metal
rubbing in the Disc & Valve Seat. The valve is also in
passing condition. What could be the problem?
Thanks &...
Can any one help us in giving the full working pressure for various pressure classes such as
150#, 300#, 600#, 800#, 900#, 1500#, 2500#, 3000# (in kg/cm2 or bar)
We have recd an enquiry where The line size or valve size are not specified by the client and we are asked to size the valve based on the given flow rate, Operating Pressure and Temperature. Can any one help me to find our minimum line size?
The fluid medium to be handled is Concentrated black liquor (alkali in nature with a pH of 13) with 60% solids. Also during washing, 5% Concentrated Hydro chloric acid will pass thru these valves. Please confirm the suitability
of the ball valve and trim for the above services
