website
 +86 22 66224148   jack@unionvalve.com

Trust in quality. Create win-win situations.

Valve Knowledge

Expert Insights into Butterfly, Gate, and Check Valves

What Is a Swing Check Valve Used For
A swing check valve is one of the most commonly...
How Much Pressure Can a Butterfly Valve Handle?
How much pressure can a butterfly valve handle?...
Butterfly Valves for Light Slurry Applications: Selection Guide
In wastewater treatment, water systems, and lig...
304 vs 316 vs 316L Stainless Steel Butterfly Valves
Stainless steel butterfly valves are widely use...
How to Choose a Chemical Resistant Butterfly Valve
In chemical systems, butterfly valves are often...
How to Choose Fire Protection Butterfly Valves
Fire protection systems require highly reliable...
Butterfly Valves in Hydro Power Plants: Functions and Selection Guide
In hydropower plants, butterfly valves are key ...
Marine Butterfly Valves: Selection Guide for Ship Systems
In marine and offshore systems, valves often wo...
Special instructions for seller

What are you looking for?