TDS PDF

Valves for Cryogenic Service, Including Requirements for Body Bonnet Extensions. Original standard MSS SP-134-2025 in PDF full version. Additional info + preview on request

Document status: Active

Ductile Iron Swing Check Valves. Original standard MSS SP-136-2020 in PDF full version. Additional info + preview on request

Document status: Active

Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components. Original standard MSS SP-137-2013 in PDF full version. Additional info + preview on request

Document status: Replaced by St MSS SP-137-2025

Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components. Original standard MSS SP-137-2025 in PDF full version. Additional info + preview on request

Document status: Active

Copper Alloy Gate, Globe, Angle, and Check Valves for Low Pressure Low Temperature Plumbing Applications. Original standard MSS SP-139-2014 in PDF full version. Additional info + preview on request

Document status: Replaced by

Quality Standard Practice for Preparation of Valves and Fittings for Silicone-Free Service. Original standard MSS SP-140-2017 in PDF full version. Additional info + preview on request

Document status: Replaced by