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MSS - SP-136

Ductile Iron Swing Check Valves

active, Most Current
Organization: MSS
Publication Date: 1 January 2020
Status: active
Page Count: 18
scope:

This Standard Practice establishes requirements for ductile iron swing check valves with flanged, threaded, mechanical-joint, push-on, grooved, and shoulder ends for general purpose. This Standard Practice covers check valves for installation in pipelines that are horizontal or in pipelines where flow is above horizontal up to vertical with flow upward.

This Standard Practice describes ductile iron swing check valves in two categories:

Class Rated Valves:

Assigned a pressure and temperature rating as prescribed in the appropriate ASME standard.

Valves Limited to Cold Working Pressure (CWP):

Limited to water service ONLY.

This Standard Practice also includes, directly or by reference, requirements for chemical and physical properties of materials, and production testing (e.g., shell and seat).

Document History

SP-136
January 1, 2020
Ductile Iron Swing Check Valves
This Standard Practice establishes requirements for ductile iron swing check valves with flanged, threaded, mechanical-joint, push-on, grooved, and shoulder ends for general purpose. This Standard...
January 1, 2014
Ductile Iron Swing Check Valves
This Standard Practice establishes requirements for ductile iron swing check valves with flanged, threaded, mechanical-joint, and push-on ends for general purpose. This Standard Practice covers check...
January 1, 2014
Ductile Iron Swing Check Valves
This Standard Practice establishes requirements for ductile iron swing check valves with flanged, threaded, mechanical-joint, and push-on ends for general purpose. This Standard Practice covers check...
February 1, 2007
Ductile Iron Swing Check Valves
This Standard Practice establishes requirements for ductile iron swing check valves with flanged, threaded, mechanical-joint, and push-on ends for general purpose. This Standard Practice covers check...

References

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