DIB seat sealing face specific pressure: qMF ≤ q ≤ [q]. Medium force FZJQ = π/4·(DJH²−DMN²)·P, O-ring friction, spring preload combined.
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Double block & bleed seat sealing at full differential pressure condition.
FZJQ = π/4·(DJH²−DMN²)·P medium force on seat annulus.
Combines spring preload, O-ring friction FMM and medium force.
Must specific pressure (4/π)·(C+KP)·√bM for Viton AED seat.
Contact angle α projection width h/cosα seal face width.
Checks q against 35 MPa Viton AED allowable.
Enter seat loop and seal face diameters.
Input ball radius and contact angle.
Spring force Fn, material C and K.
Check qMF ≤ q ≤ [q] automatically.
Enter your design parameters and get instant verification results.
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