Seat spring preload check: QMY + FMM < Fn. Minimum preload force QMY = π/4·(DMW²−DMN²)·qM versus total spring force Pn×N.
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Verifies total spring force covers minimum preload plus O-ring friction.
QMY = π/4·(DMW²−DMN²)·qM on seal ring annulus.
Uses 0.6 MPa low pressure condition for O-ring friction FMM.
Defaults: 16 springs × 332 N = 5312 N total.
Instant PASS when QMY + FMM < Fn.
Shows required versus available force directly.
Enter seal ring diameters DMN, DMW.
Set minimum preload pressure qM.
Input per-spring load Pn and quantity N.
Check spring force adequacy at 0.6 MPa.
Enter your design parameters and get instant verification results.
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