工艺阀门和仪表

With Clarkson KS1 knife gate valves from Emerson, the improvement was dramatic and immediate. After 8 months, the new valves remain in service, never having required a repair or change out. The installed cost of each valve was less than $27,000, so the project paid for itself in just over two weeks, and it has been generating nearly $10,000 per week in savings since.

High-performance butterfly valves are a common solution for equipment isolation and other on/off applications across a wide range of chemical and petrochemical processes. My article in the November 2024 issue of Valve World, titled “Choosing butterfly valves for complete shutoff,” discusses key design features of these valves to help users evaluate the best alternatives for …

This article discusses a recently introduced PRV design that replaces bellows with a balanced diaphragm. This new balancing technology can be installed as an upgrade to standard bellows PRVs, and it extends backpressure limits while providing greater flow capacity than a similarly sized balanced bellows PRV.