API 6D
Ball Valves
API 6D Ball Valve Calculation Checklist
A complete step-by-step breakdown of the 27 calculations required for an API 6D compliant ball valve.
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API 609
Butterfly Valves
Sizing Butterfly Valves per API 609
Learn how to calculate shell thickness, stem sizing, gland flange checks, and torque with API 609.
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V-CALC
Automation
Automating Multi-Standard Valve Compliance
How V-Calc eliminates spreadsheet errors and ensures API/ASME compliance automatically.
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Advanced calculation series for API 6D valves.
API 6D Swing Check
Preventing Cracking Pressure Surprises
How to ensure hinge-pin sizing, cracking pressure and seat loading stay within tolerance.
Read more →API 6D Gate
Stem Thrust, Torque & MAST Trio
Full explanation of thrust, torque, and MAST calculations for gate valves.
Read more →API 6D Plug
Balancing Stem Bearings & Closure Loads
Avoid common under-designed plug valve failures using proper stress envelopes.
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