If the equipment’s flat cover is a convex-flange cover connected to a concave-flange, does the calculated thickness of the flat cover include the sealing surface?

2024-06-09View Original

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If the equipment’s flat cover is a convex-flange cover connected to a concave-flange, does the calculated thickness of the flat cover include the sealing surface?

Reply #22024-06-09

The calculated flat cover thickness includes the sealing surface. .

Reply #32024-06-10

The software determines that the calculation is valid by comparing the effective thickness with the calculated thickness, requiring the effective thickness to be ≥ the calculated thickness. The effective thickness is obtained by subtracting the additional amount from the nominal thickness. The nominal thickness mark for the flat cover can be determined with reference to the value of C for the flange cover.

Reply #42024-06-11

The calculated flat cover thickness does not include the sealing surface.

Reply #52024-06-13

Just check the standards to find out, ah

Reply #62024-06-28

Standard GB/T 150.3-2011, P139 is quite clear

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