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Calculators › 150LB Butterfly Valve › Disc Center Thickness
Butterfly Valve / Valve Design Manual

150LB Butterfly Valve Disc Thickness

Disc center thickness from empirical formula b=0.054D*H^(1/3) including water hammer head. Formula: b = 0.054 * D * H^(1/3)

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Standard: Valve Design Manual | Formula: b = 0.054 * D * H^(1/3)
150LB Butterfly Valve Disc Thickness

Why This Calculator

Empirical Formula

Proven b = 0.054*D*H^(1/3) formula from Valve Design Manual.

Water Hammer Head

Includes dynamic water hammer pressure head in thickness calculation.

Velocity Head

Accounts for flow velocity effects on required disc thickness.

Ratio Verification

Checks b/D ratio within acceptable engineering range 0.15-0.35.

Auto Pass/Fail

Instant judgment on disc thickness adequacy.

Instant Result

Real-time calculation with no page reload required.

How It Works

Enter Disc Size

Input disc diameter D and design pressure P.

Set Flow Conditions

Input pipe flow area, velocity, and closing time.

Calculate Head

Compute water hammer head H from dynamic conditions.

Verify Thickness

Check calculated b vs. actual and verify b/D ratio.

Who Is It For

Valve Design EngineersR&D TeamsManufacturing EngineersQuality Inspectors

Key Highlights

Empirical FormulaWater HammerRatio CheckAuto Judgment

Ready to Calculate?

Enter your design parameters and get instant verification results.

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