A small needle type valve has a pressure rating of 3500 psi and a temperature rating of 900 F but the manufacturer (who is no longer around) doesn't indicate if this is a continuous service rating.

Apart from the construction and manner of operation of the closure member, are there any other differences between gate valves and needle valves? Manual or actuated... or any other distinguishing fea

I inquire needle valve manufacturers for Class 4500 pressure ratings.(For example Fujikin needle valve) If you have info about it, please inform me. Have a nice days and thank you for your supports.

I am designing a sample cooler for Condensate sample. The Tie points for sampling station are discharge and suction of Condensate pump. The condensate is at 90 C and to be cooled upto 25 C. The line r

Does anyone know who to size an orifice with the following parameters. What I am trying to find is the diameter of the orifice I need to have to drilled in a orifice plate in a swagelok fitting to all

Operations has had problems with the current actuated startup bypass valves. The fluid in this aplication is Blend Oil. There is currently a 30s shutoff actuator on a 1/4 turn ball valve. Because o

I have a very very urgent question about application of double block & bleed valves,single block & bleed valves ; where and for what working classes these are necessary ? My question is for a crude oi

I have built a low pressure fluid system for an R&D application. It is made with 1/4" pvc tubing and push connect fittings. It operates at about 10 mm Hg (about 0.20 psi) and uses a paristaltic pump r