How to Calculate Cv for Liquid vs Gas: What Changes and Why
The Short Answer The flow coefficient Cv is used to size valves for both liquids and gases, but the two […]
Drawings & Calculations
Drawings & Calculations
Valve structural drawings, pressure calculation, torque calculation and engineering calculation cases.
Drawings & Calculations
Check Valve Cracking Pressure: How to Pick the Opening Threshold
Check Valve Cracking Pressure: How to Pick the Opening Threshold Every check valve has a cracking pressure — the minimum […]
Drawings & Calculations
Valve Cv vs Kv: Converting Flow Coefficients Without Guesswork
Valve Cv vs Kv: Converting Flow Coefficients Without Guesswork Every control valve datasheet quotes a flow coefficient, but it may […]
Drawings & Calculations
Globe Valve Diagram: Parts, Flow Path & Symbol
Quick Answer A globe valve diagram shows the key parts: handwheel, stem, bonnet, body, disc, seat, and the S-shaped flow […]
Drawings & Calculations
Gate Valve Diagram: Parts, Symbols & Cross-Section Explained
Quick Answer A gate valve diagram shows the key parts: handwheel, stem, bonnet, body, wedge, seat rings, and packing. The […]
Drawings & Calculations
Valve Pressure Drop: How to Calculate and Reduce It
Quick Answer Valve pressure drop is the loss of pressure as fluid passes through a valve, caused by friction and […]
Drawings & Calculations
Valve Actuator Torque Calculation: Breakaway, Running & Seating Torque
Quick Answer Valve actuator torque has three components: breakaway torque (to start moving from closed), running torque (to keep moving), […]
Drawings & Calculations
Manual Valve Operation: Handwheel Torque and Gearbox Calculations
Quick Answer: How to Calculate Handwheel Torque for Manual Valves Manual valve operating torque is calculated as the sum of […]
Drawings & Calculations
How to Read Valve Symbols in P&ID Diagrams
Quick Answer: How to Read Valve Symbols in P&ID Diagrams Valve symbols on a P&ID combine three elements: the basic […]
Drawings & Calculations
Understanding Valve Dimensions: Face-to-Face and End-to-End
The Short Answer Face-to-face (F-F) is the dimension between the two sealing faces of a flanged valve — the distance […]
Drawings & Calculations
Valve Flow Coefficient (Cv) Calculations Explained
The Short Answer Cv is the flow coefficient: the number of US gallons per minute of water at 60°F that […]
Drawings & Calculations
How to Read a Valve Data Sheet
The Short Answer A valve data sheet is a structured table that captures everything a supplier needs to quote and […]