Our Shop Standards are based on SMACNA guidelines for pressure
class. Copies of the various pressure classes are provided below.
Please click on the links below to view our various shop standards.
1/2" W.G. STATIC
1 W.G. STATIC POS
2" W.G. STATIC POS
3" W.G. STATIC POS
4" W.G. STATIC POS
6" W.G. STATIC POS
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