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  • Users: BigMac23
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  1. BigMac23

    Glass for inspection window that meets CSA C22.2 No. 30

    I am currently designing an Explosion-Proof Enclosure for Use in Class I Hazardous Locations (C22.2 No. 30). This enclosure will have an inspection window in it. It will be Ø3.25in (Ø2.50in unsupported). I have tested 9mm thick tempered borosilicate glass which has failed. Does anyone have...
  2. BigMac23

    Danger of compressed air.

    I am trying to quantify the amount of potential energy created when compressing air. Specifically related to the volume of air compressed. Example: A vessel is being hydrostaticly tested (water), but has air traped inside. It is pressured to 2000psi. Scenario #1: pressurization occurs...
  3. BigMac23

    Fire Safe Valve Seals

    Does anyone know of a viable alternatives to grafoil packing or gaskets to make a valve fire safe? I am looking to see if I can get an oring type seal (shaft in a bore) that is self energizing to act as a fire safe seal. I have very little experiance in this area and may be dreaming of the...
  4. BigMac23

    Is there a surface build-up (metal spray) that meets MR0175?

    I am trying to find a method of building up the seal areas of valve bodies. Is there a metal spray process that can build-up a surface .030in and is also NACE MR0175?

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