Standards

MSS standards

MSS SP standards for valves, fittings, flanges and pipe hangers. Scope, requirements and testing. Metal supply from China.

MSS SP-100MSS SP-100: Qualification Requirements for Elastomeric Diaphragms in Nuclear Diaphragm Valves MSS SP-101MSS SP-101 Standard: Mounting dimensions and characteristics for part-turn actuators (FA flange)MSS SP-102MSS SP-102 Standard: Requirements for connecting dimensions and characteristics of multi-turn actuators MSS SP-103MSS SP-103 Standard: Technical Requirements for Wrought Copper Fittings for Polybutylene Pipes MSS SP-25Classification and Marking of Pipeline Valves According to MSS SP-25 Standard MSS SP-44MSS SP-44 Standard: Technical Specifications and Requirements for Steel Flanges MSS SP-45MSS SP-45 Standard: Technical Requirements for Drain and Bypass Connections MSS SP-55MSS SP-55 Standard: Regulations for Visual Quality Evaluation of Steel Castings for Pipeline Valves MSS SP-61MSS SP-61 Standard: Pressure Testing Requirements for Shut-off Valves MSS SP-67MSS SP-67 Standard: Technical Requirements for Butterfly Valves MSS SP-68MSS SP-68 Standard: Technical Requirements for High-Pressure Butterfly Valves MSS SP-75MSS SP-75 Standard: Butt-Weld Fittings for High-Pressure Pipelines MSS SP-78MSS SP-78 Standard: Technical requirements for gray cast iron plug valves MSS SP-79MSS SP-79 Standard: Socket-Weld Reducing Inserts MSS SP-81Technical Standard MSS SP-81: Stainless Steel Knife Gate Valves MSS SP-83MSS SP-83: Technical Standard for High-Pressure Threaded and Socket Weld Unions MSS SP-95MSS SP-95 Specification: Swaged Nipples and Bull Plugs MSS SP-97MSS SP-97 Standard for Integrally Reinforced Forged Fittings: Requirements and Characteristics

Other sections in Standards

ASTM EN DIN ISO ASME API JIS AWS MSS BS GB Other standards (SAE, AMS, UNI)

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