1、?Knife Gate Valves,?“Unless indicated otherwise within this MSS Standard Practice,other standards documents referenced to herein are identified by the date of issue that was applicable to this Standard Practice at the date of approval of this MSS Standard Practice(see Annex C).This Standard Practice
2、 shall remain silent on the validity of those other standards of prior or subsequent dates of issue even though applicable provisions may not have changed.”?Excerpts of this Standard Practice may be quoted with written permission.Credit lines should read Extracted from MSS SP-148-2019 with permissio
3、n of the publisher,Manufacturers Standardization Society of the Valve and Fittings Industry.Reproduction and/or electronic transmission or dissemination is prohibited under copyright convention unless written permission is granted by the Manufacturers Standardization Society of the Valve and Fitting
4、s Industry Inc.All rights reserved.?Manufacturers Standardization Society of the Valve and Fittings Industry?Manufacturers Standardization Society of the Valve and Fittings Industry?Shell Test(Body)?Seat Test?continued on next page?continued?Standard Marking System for Valves,Fittings,Flanges,and Un
5、ions?Steel Pipeline Flanges;including Errata Sheet(2011)?Terminology for Valves,Fittings,and Their Related Components?Pressure Testing of Knife Gate Valves?Standard Marking System for Valves,Fittings,Flanges,and Unions?Steel Pipeline Flanges?Quality Standard for Steel Castings for Valves,Flanges,Fit
6、tings,and Other Piping Components Visual Method for Evaluation of Surface Irregularities?Pipe Hangers and Supports Materials,Design,Manufacture,Selection,Application,andInstallation?Terminology for Valves,Fittings,and Their Related Components?Corrosion Resistant Pipe Fittings Threaded and Socket Wel
7、ding Class 150 and 1000?Plastic Industrial Ball Valves?Valves for Cryogenic Service,including Requirements for Body/Bonnet Extensions?High Pressure Knife Gate Valves?Quality Standard Practice for Oxygen Cleaning of Valves and Fittings?Pressure Seal Bonnet Valves?Do not violate copyright laws?“The Technical Voice of the Industry”?