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RISMSS SP-140: Quality Standard Practice for Preparation of Valves and Fittings for Silicone-Free Service
Abstract: This Standard Practice establishes general requirements for valves and fittings for use in silicone-free service requiring an increased level of cleanliness. Specific requirements include: Cleaning, Assembly and Testing ...
MSS SP-132: Compression Packing Systems for Instrument Valves
Abstract: This Standard Practice provides requirements for valve packings, packing chambers, and associated components as they relate to the total packing assembly of instrumentation valves.
This Standard Practice is intended ...
This Standard Practice is intended ...
MSS SP-80: Bronze Gate, Globe, Angle, and Check Valves
Abstract: This Standard Practice establishes requirements for bronze gate, globe, angle, and check valves for general purpose services and provides requirements for the following:
a) Pressure-Temperature Ratings
b) Materials ...
a) Pressure-Temperature Ratings
b) Materials ...
MSS SP-120: Flexible Graphite Packing System for Rising Stem Valves – Design Requirements
Abstract: This Standard Practice establishes material and dimensional requirements for valve packing, packing chamber, packing gland, packing washer, bonnet, and the stem, as they relate to the total packing assembly.
This ...
This ...
MSS SP-69: Pipe Hangers and Supports - Selection and Application - Contents of this SP have now been incorporated into MSS SP-58-2009; however this SP is still active and available until officially withdrawn.
Abstract: This Standard Practice presents the recommended practice for the selection and application of pipe hangers and supports for all service temperatures. Note: Contents of this SP are also now part of revised ANSI/MSS SP-58-2009.
MSS SP-139: Copper Alloy Gate, Globe, Angle, and Check Valves for Low Pressure/Low Temperature Plumbing Applications
Abstract: This MSS Standard Practice establishes requirements for copper alloy gate, globe, angle, and check valves used in applications with connections and connected to materials which will not support the pressures and temperatures ...
MSS SP-100: Qualification Requirements for Elastomer Diaphragms for Nuclear Service Diaphragm Valves
Abstract: This Standard Practice delineates a method for qualification of elastomer diaphragms, in accordance with methodology and documentation as described in Appendix QR-B of ASME QME-1, that are intended for use in ASME Boiler ...
MSS SP-91: Guidelines for Manual Operation of Valves
Abstract: This Standard Practice provides guidelines for the operation of manually actuated valves as affected by the valve operator's input.
MSS SP-101: Part-Turn Valve Actuator Attachment Flange and Driving Component Dimensions and Performance Characteristics
Abstract: This standard practice is intended to provide a basis for the standardization of part-turn actuator mounting dimensions and performance characteristics necessary for their attachment to general purpose industrial valves. ...
MSS SP-51: Class 150LW Corrosion Resistant Flanges and Cast Flanged Fittings
Abstract: This Standard Practice establishes a series of cast austenitic stainless steel flanged fittings and austenitic stainless steel flanges of reduced weight with mating dimensions for assembly with ASME B16.5, Class 150 flanges, ...