MSS SP-68-2011

High Pressure Butterfly Valves with Offset Design Manufacturers Standardization Society / 01-Oct-2011 / 10 pages

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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 product replaces:MSS SP-68-1997 (R2004) - High Pressure Butterfly Valves with Offset Design
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MSS SP-68-2011
MSS SP-68-1997 (R2004)