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  1. Darkangel1974

    DIN standard for valve testing

    Sir Anegri, thank you for your help sir , acc. to the certificate issued by the manufacturer it is 3230 B0, the valves that i test ranges from DN 15 up to DN 50 the medium the we use for testing is nitrogen. It is very hard for me to cope with standard of this thing because the contractor did...
  2. Darkangel1974

    DIN standard for valve testing

    Good day sir/madam I,m presently working as a Mechanical Technician and one of my Job is Valve testing the standard we use here is of german standard or DIN i want to know if leakage rate 1 is consider to be 1 bubbles /sec or per min thank for the reply in advance

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