Installation of piston-type check valve
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Experts, when used in hydrogen service, must piston check valves at the outlet of reciprocating compressors be installed horizontally only? If installed vertically, what are the requirements for the valve’s internal components?
For problems of this kind, the best approach is to use the installation drawings as a standard, or follow the valve manual. Once a problem arises, you can explain it with solid reasons. The solutions to such problems obtained here usually lack a standard upon which they are based. In terms of structure, most of these valves rely on their own weight to perform the check function; in principle, the valve stem should be installed perpendicular to the horizontal direction. For reference.
For hydrogen check valves, care must be taken in selecting the material and other aspects, as explosions can occur. Which type of piston-type check valve are you referring to? Could you send a picture for me to see?
Vertical installation is required, with the medium flowing normally from bottom to top
Installed vertically, with hydrogen flowing from bottom to top.