Linear vs Equal Percentage Valve Characteristic Explained
The Short Answer Valve characteristic describes how flow changes as the valve opens. A linear characteristic produces a flow change […]
Glossary
Industry News
Industrial Valve Market Trends for 2027
The Short Answer The industrial valve market heading into 2027 is being shaped by automation, digitalization, and the energy transition. […]
Drawings & Calculations
Pipe Velocity vs Valve Sizing: What Engineers Need to Know
The Short Answer Pipe velocity and valve sizing are linked but serve different purposes. Pipe velocity is a piping design […]
Actuators
Electric vs Hydraulic Actuator: How to Choose
The Short Answer Electric actuators convert an electrical signal into valve motion using a motor and gear train, while hydraulic […]
Troubleshooting & Maintenance
Gate Valve Leaking? How to Fix It Step by Step
The Short Answer A leaking gate valve usually fails in one of three places: the stem seal (packing), the bonnet […]
Materials & Corrosion
CF8M vs CF3M Valve Body: Which Cast Stainless Steel to Choose
The Short Answer CF8M and CF3M are both corrosion-resistant cast stainless steel grades covered by ASTM A351, and they are […]
Valve Selection
Isolation Valve vs Control Valve: What’s the Difference?
The Short Answer An isolation valve is designed to stop flow completely for maintenance or safety, while a control valve […]
Actuators
Valve Fail-Safe Configuration: Spring-Return vs Double-Acting in ESD Service
The Short Answer In emergency shutdown (ESD) service, the question is not how the valve opens and closes, but where […]
Materials & Corrosion
Butterfly Valve for Seawater Service: Materials, Coatings, and What to Specify
The Short Answer Seawater is one of the most corrosive services a butterfly valve can face. Chlorides attack stainless steels, […]
Valve Selection
Knife Gate Valve for Wastewater: Fail-Safe Isolation Considerations
The Short Answer Knife gate valves are a practical choice for wastewater isolation where the media carries solids, rags, sand, […]
Valve Selection
Ball vs Globe Valve for Ammonia Isolation: What Changes in Refrigeration Service
The Short Answer For ammonia isolation service, both ball valves and globe valves can do the job, but they are […]
Drawings & Calculations
Control Valve Sizing Basics: Why Size Matters and How the Process Works
The Short Answer Control valve sizing is the process of matching a valve’s flow capacity (Cv) to the required flow […]
Drawings & Calculations
Valve Flow Coefficient (Cv) Explained: What It Measures and How to Read It
The Short Answer Cv is a valve’s flow coefficient — a number that expresses how much flow a valve passes […]
Drawings & Calculations
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 […]
Glossary
Valve Bonnet Types Explained: How the Top End Is Sealed and Serviced
Valve Bonnet Types Explained: How the Top End Is Sealed and Serviced Most valve discussions focus on the body and […]
Glossary
What Is Flashing in a Valve: The Pressure-Drop Phenomenon Explained
What Is Flashing in a Valve: The Pressure-Drop Phenomenon Explained If a valve in a liquid line starts making noise, […]
Industry News
Low-Carbon Valves and the Net-Zero Push: What the Industry Is Doing
Low-Carbon Valves and the Net-Zero Push: What the Industry Is Doing Industrial decarbonization is reshaping more than power generation. The […]
Industry News
Digital Transformation in the Valve Industry: What Is Changing in 2026
Digital Transformation in the Valve Industry: What Is Changing in 2026 Industrial valves have traditionally been mechanical products — a […]
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 […]
Actuators
Spring Return vs Double Acting Actuator: Choosing the Safe Drive
Spring Return vs Double Acting Actuator: Choosing the Safe Drive Every automated valve needs an actuator, and one of the […]
Actuators
Fail Open vs Fail Closed Valve: Setting the Safe Default
Fail Open vs Fail Closed Valve: Setting the Safe Default For any valve with an actuator, one of the first […]
Troubleshooting & Maintenance
Dual Plate vs Swing Check Valve: Which Non-Return Design Fits the Line?
Dual Plate vs Swing Check Valve: Which Non-Return Design Fits the Line? When reverse flow must be stopped, the check […]
Troubleshooting & Maintenance
Check Valve vs Backflow Preventer: Similar Job, Different Standard
Check Valve vs Backflow Preventer: Similar Job, Different Standard In water and process piping, both check valves and backflow preventers […]
Materials & Corrosion
Ductile Iron vs Cast Iron Valve: Strength Changes the Rules
Ductile Iron vs Cast Iron Valve: Strength Changes the Rules For waterworks and general industrial valves, the body material is […]