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Industry Standards & Regulations

 

Standards, Codes & Specs

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS)

More than 70 standards documents from the MSS for the valve and fittings industry.

Access most up-to-date MSS Standards with IHS

  • The Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) creates and improves industry, national and international codes and standards for:

    • Valves 
    • Valve actuators 
    • Pipe fittings 
    • Valve modification 
    • Flanges 
    • Pipe hangers 
    • Associated seals

    Design, maintenance, and construction personnel involved with process piping in the petroleum, petrochemical, food, beverage and utility industries use standards from MSS to assure interoperability, compliance and operation.

    The MSS collection includes standards addressing:

    • Flanges of valves and fittings 
    • Corrosion resistant materials 
    • Joint connections 
    • Pipe hangers and supports 
    • Valve pressure testing 
    • Socket welding 
    • Threaded ends 
    • Quality for steel castings

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