Do you think Full opening check valves are supposed to be installed horizontally too?Clearance between body and disc is very small for these valves compared to regular swing check valve.

Our supplier just informed us, they are going to use solid ball for a 2" floater and a hollow ball for a 3" floater.will there be any difference in performance?what is the reason they use hollow balls

I'm a new engineer for a small LPG/NH3 gas connections company.

Industrial expert's opinion is maximum torque required to actuate ball valve is "Torque ability to open under large differential pressure and to close under high flow conditions "

In my experience most low pressure applications request 2 piece floating ball valves and when not specified I've always sold the 2 piece floater.

For selection of ESD valve actuator supply, what are factors that decide whether ESD valve shall be hydraulic or pneumatic?

I am new to posting on this forum, but have been reading for a while. Very good page i must say :)Back to the question. We have some gate valves that are going to be ordered.

I am working on a project specs and it asks for butterfly valve with dry shaft design. Media is seawater. As I searched on the web, I saw that mostly concentric btv vendors are naming their product as