Reference Codes and Standards
The following is a list of commonly used valve standards in the…
Valve Terminology – IV
Safety-relief valve: A pressure-relief valve characterized by rapid opening pop action, or…
Valve Terminology – III
Half stellited: A valve is termed half stellited when only the seating…
Valve Terminology – II
Cavitation: This occurs when the fluid pressure at the vena contracta falls…
Valve Terminology
Actuator: A device that operates a valve by utilizing electricity, pneumatics, hydraulics,…
Selection and Application of Valves
Valves are an essential part of any piping system that conveys liquids,…
Acronyms and Abbreviations
AAEAmerican Association of EngineersACIAmerican Concrete InstituteACRIAir Conditioning and Refrigeration InstituteA-EArchitect-engineerAECAmerican Engineering CouncilAESCAmerican…
Other Pipe Ratings
Manufacturer’s Rating Based upon a unique or proprietary design of a pipe,…
Piping Classification
It is usual industry practice to classify the pipe in accordance with…


