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  • Users: wittyish
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  1. wittyish

    ASME B31.3 unlisted components

    Per ASME B31.3 paragraph 304.7.2 Unlisted components: Calculations and documentation showing compliance with paras. 304.7.2(a),(b),(c), or (d) and (e) shall be available for the owners approval. Does that mean: (a) and (e) will be okay? Or is it (a) & (b) & (c) & (e)? Thanks guys.
  2. wittyish

    MSS SP-110 with ASME 31.3 and / or 31.1

    Howdy, I need to know if a ball valve with a MSS SP-110 spec is suitable for use in either a ASME B31.1 or .3 design. MSS SP-110 is not called out specifically in the component standards table. Regards,
  3. wittyish

    Pressurized tank / safety shower

    Greetings, I'm looking for feedback on method. We have a 400 gallon tank (160psi mwp)and a safety shower with a required pressure of 30 psi. There is 5 psi of pressure loss between the tank and shower. We use 2 air cylinders (80 ft^2 @ 2200 psi) to a regulator set at 35 psi to pressurize the...
  4. wittyish

    pressurized tank / safety shower

    Greetings, I'm looking for feedback on method. We have a 400 gallon tank (160psi mwp)and a safety shower with a required pressure of 30 psi. There is 5 psi of pressure loss between the tank and shower. We use 2 air cylinders (80 ft^2 @ 2200 psi) to a regulator set at 35 psi to pressurize the...

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