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ASME Sect. VIII Div. 1 Flange Calculations. Mandatory Appendix 2
INPUT:
Flange Outside Diameter A, in:
Flange Inside Diameter B, in:
Outside Contact Diameter of Gasket Dgo, in:
Inside Contact Diameter of Gasket Dgi, in:
Bolt Circle C, in:
Flange thickness t, in:
Flange Type:
Flange Type:
Loose flange with hub*
Loose flange-ring
For Flanges with Hub enter dim. g1, see sketch above , in:
Design Temperature, F:
Design Pressure, PSIG:
Flange Material:
Flange Material:
SA-105
SA-516Gr.70 Plate
SA-283Gr.C Plate
SA-515 Gr.70 Plate
SA-182F316L
SA-182F304L
SA-240 316L Plate
SA-240 304L Plate
Others
If Flange Material: 'Others' Enter Allowable Stress at Design temperature, KSI
If Flange Material: 'Others' Enter Modulus of Elasticity at Design temperature, KSI* 10^6
Gasket Material**:
Gasket Material
Mineral Fiber, 1/8 thk.
Mineral Fiber, 1/16 thk.
Mineral Fiber, 1/32 thk.
Spiral-wound metal, mineral fiber filled, carbon.
Spiral-wound metal, mineral fiber filled, stainless.
Spiral-wound metal, mineral fiber filled, monel.
Spiral-wound metal, mineral fiber filled, nickel-based alloys.
Flat metal, jacketed mineral fiber filled, Soft aluminum.
Flat metal, jacketed mineral fiber filled, Soft copper or brass.
Flat metal, jacketed mineral fiber filled, Iron or soft steel.
Flat metal, jacketed mineral fiber filled, Monel.
Flat metal, jacketed mineral fiber filled, 4-6% chrome.
Flat metal, jacketed mineral fiber filled, Stainless steels.
Flat metal, jacketed mineral fiber filled, Nickel-base alloys.
Solid flat metal, Soft aluminum.
Solid flat metal, Soft copper or brass.
Solid flat metal, Iron or soft steel.
Solid flat metal, Monel.
Solid flat metal, 4-6% chrome.
Solid flat metal, Stainless steels.
Solid flat metal, Nickel-base alloys.
Others
If Gasket Material: 'Others' Enter gasket factor m (table 2.5.1)
If Gasket Material: 'Others' Enter gasket minimum design seating stress y (table 2.5.1), psi:
Nominal bolt diameter, in:
1/2
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2
1-5/8
1-3/4
1-7/8
2
2-1/4
2-1/2
2-3/4
3
3-1/4
3-1/2
3-3/4
4
Bolt Material:
Bolt Material:
SA-193B7
SA-193B8 Temper 1
SA-193B8M Temper 1
Others
If Bolt Material: 'Others' Enter bolt allowable stress at design temperature, ksi:
If Bolt Material: 'Others' Enter bolt allowable stress at atmospheric temperature, ksi:
Number of Bolts:
Height of Fillet Weld Between Flange-Ring Back Face and Shell/Nozzle:
*-Sect.VIII Div.1, Table 2-7(b) Mandatory Appendix 2: Flanges with hub are calculated without considering the hub.
**-Sect.VIII Div.1, Table 2-5.1 Mandatory Appendix 2.
Enter flange outside diameter.
