Verify sealing specific pressure for PTFE seat: must-pressure qb, design pressure q, and allowable [q] per the Valve Design Manual.
Open Calculator →
Specific pressure check for PTFE seat material with configurable m, a, c constants.
Minimum seal pressure from material constants and design pressure to ensure seating.
Actual seal pressure from medium force over the annular seal area.
Material-specific allowable specific pressure with automatic PASS/FAIL verdict.
Seal width projection accounts for the seat contact angle geometry.
Module 2 of 8 in the Floating Ball Valve design verification suite.
Input m, a, c for PTFE seat and design pressure P.
Enter seal diameters D2, D1, width projection t, contact angle φ.
Calculate must-pressure and design specific pressure.
Automatic qb < q < [q] verification with PASS/FAIL badge.
Enter your design parameters and get instant verification results.
Open Calculator →