6D Swing Check Valve

6D Swing Check Valve Design Calculation

Complete swing check valve (H44-type) design verification suite covering body wall thickness, seal face pressure, flange bolt load, flange bending stress, bonnet and disc wall thickness per GB standards and ASME B16.34.

6 Calculation Modules | GB + ASME Dual Verification | Reference: Valve Design Manual

Calculation Modules

🔧

Wall Thickness

Body shell wall thickness per GB formula and ASME B16.34 design verification

🔐

Seal Specific Pressure

Seal face contact pressure: qMF ≤ q ≤ [q] per Valve Design Manual criteria

🔨

Flange Bolt Strength

Middle flange bolt load, preloading force and stud tensile stress per GB and ASME

⚙

Flange Section Strength

I-I section bending stress verification at middle flange root zone

📦

Bonnet Strength

Spherical head (bonnet) wall thickness with shape coefficient K

⚫

Disc Strength

Spherical disc wall thickness with 1.7 coefficient per Valve Design Manual

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