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MSS SP-68-2021

High Pressure Butterfly Valves with Offset Design

standard by Manufacturers Standardization Society , 01/01/2022

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About This Item

 

Full Description

SCOPE


1.1 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.

1.2 This Standard Practice covers flangeless (wafer-type) and single flange (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.

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

1.4 For common industry terms and definitions that may appear in this Standard Practice, refer to MSS SP-96.

 

Product Details

Published:
01/01/2022
Number of Pages:
14
File Size:
1 file , 1.5 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. MSS SP-68-2021

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    High Pressure Butterfly Valves with Offset Design

    • Most Recent

  2. MSS SP-68-2017


    High Pressure Butterfly Valves with Offset Design

    • Historical Version

  3. MSS SP-68-2011


    High Pressure Butterfly Valves with Offset Design

    • Historical Version

  4. MSS SP-68-1997 (R2004)


    High Pressure Butterfly Valves with Offset Design

    • Historical Version