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  1. dynamics2004

    Butterfly Valve Seat Pressure Testing

    thanks bcd for your reply and as gerhard i will over-say its short, direct and super! just to validate my understanding for the situation that these valve will experience the same load on both sides in which it wont make any difference if only one side is tested but what if we tested one valve...
  2. dynamics2004

    MSS-SP Valves Certification

    THANK You all for your kind replies, we agreed on 3.1 certification type as it more advanced than 2.2 and provides more details but Unforunetly , the point which is still holding up is the Trim Components and their correlation to API 600 requirements as till of now no clear answer is received...
  3. dynamics2004

    Butterfly Valve Seat Pressure Testing

    hello, i am new to the valves engineering market and i am trying my best to check for different matters pertaining to this field. within my reading of API-598 i noticed that the seat test for the butterfly valves (API-609 Category A) can be performed from only one side though its not marked...
  4. dynamics2004

    MSS-SP Valves Certification

    thanks all for your input...actually, as advised above I contacted the manufacturer and i am still awaiting his feedback specifically for the point of how is going to assure the quality of the trim parts but the question which is raised if 3.1 certificate is offered for both the Body and Bonnet...
  5. dynamics2004

    MSS-SP Valves Certification

    to re-write the query is the Trim related to the API valves only? please i am need of your kind help
  6. dynamics2004

    MSS-SP Valves Certification

    Hi All, I am wondering if anybody can extend his help to me as I am procuring a small size valves up to 2.5" mainly bronze, brass and Ductile/Cast Iron in compliance with the relevant MSS, however, i am requested to ask the manufacturer to provide us with EN 10204 2.2 type of certificates for...

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