Gasket Factors: ptfe_envelope
ASME gasket m and y factors for pressure vessel flange bolting calculations — per ASME BPVC Section VIII Div.1 Mandatory Appendix 2 Table 2-5.1 and ASME B16.20
| gasket type | facing type | m factor (dimensionless) | material | max temperature F (F) | min design seating stress psi (psi) | notes | y factor psi (psi) |
|---|---|---|---|---|---|---|---|
| ptfe_envelope | flat_face | 2.75 | ptfe_envelope_sheet_filler | 500 | 3,700 | PTFE envelope or filled PTFE; corrugated insert; per Appendix 2 suggested values | 3,700 |
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