MSS SP 68
High Pressure Butterfly Valves with Offset Design
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| Organization: | MSS |
| Publication Date: | 1 January 1997 |
| Status: | inactive |
| Page Count: | 12 |
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/ANSI B16.5 flanges for sizes NPS 3 (DN 80) through NPS 24 (DN 600) and ASME/ANSI 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/ANSI B16.34.
Definitions may be found in MSS SP 96.
Document History
January 1, 2021
High Pressure Butterfly Valves with Offset Design
A description is not available for this item.
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...
MSS SP 68
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, 1997
High Pressure Butterfly Valves with Offset Design
A description is not available for this item.
January 1, 1988
High Pressure-Offset Seat Butterfly Valves
A description is not available for this item.