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MSS SP 68

High Pressure Butterfly Valves with Offset Design

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Organization: MSS
Publication Date: 1 January 2017
Status: active
Page Count: 14
scope:

This Standard Practice covers design requirements, test performance, marking requirements, and nomenclature for butterfly valves designed for high pressure performance, having a seat plane offset from the plane of the stem centerline.

This Standard Practice covers flangeless (wafer-type) and single flanged (lug-type) body designs, compatible with ASME B16.5 flanges for sizes NPS 3 (DN 80) through NPS 24 (DN 600) and ASME B16.47 Series A flanges for sizes NPS 30 (DN 750) through NPS 48 (DN 1200). Reference Tables 1 and 2.

This Standard Practice covers valves having body pressure temperature ratings in accordance with ASME B16.34.

Definitions may be found in MSS SP-96.

Document History

MSS SP 68
January 1, 2017
High Pressure Butterfly Valves with Offset Design
This Standard Practice covers design requirements, test performance, marking requirements, and nomenclature for butterfly valves designed for high pressure performance, having a seat plane offset...
January 1, 2011
High Pressure Butterfly Valves with Offset Design
This standard practice covers design requirements, test performance, marking requirements, and nomenclature for butterfly valves designed for high pressure performance, having a seat plane offset...
January 1, 1997
High Pressure Butterfly Valves with Offset Design
A description is not available for this item.
January 1, 1997
High Pressure Butterfly Valves with Offset Design
This standard practice covers design requirements, test performance, marking requirements, and nomenclature for butterfly valves designed for high pressure performance, having a seat plane offset...
January 1, 1988
High Pressure-Offset Seat Butterfly Valves
A description is not available for this item.

References

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