Knowledge

Zero offset and double offset butterfly valves are widely used in industrial fluid systems, but they differ significantly in performance limits and su

Lug-type and wafer-type butterfly valves share the same internal design and working principle, including the disc and seat, but differ in how they are

A triple offset butterfly valve (TOBV) is a premium metal-seated quarter-turn valve designed for severe service applications, providing virtually fric

Butterfly valves are not recommended to be installed upside down (stem or actuator facing downward) because it may increase seal wear, leakage risk, a

Butterfly valves can be used for throttling in moderate, low-to-medium pressure applications, but they are not ideal for precise flow control or high

EN 593 is a standard for industrial valves developed by the European Committee for Standardization (CEN). Its full title is "Industrial Valves — Metal

AWWA C518 is a technical standard developed by the American Waterworks Association (AWWA) for double-disc swing-check valves. It applies to the design

AWWA C508 is an industry standard developed by the American Water Supply Engineering Association. Its full name is Swing Check Valve for Water Plants,

The AWWA standard is a standard specification designated by the American Water Engineering Association. AWWA C517 is a specification standard for soft

AWWA C500 and AWWA C515 are two gate valve standards with different structures. AWWA C500 gate valve is a metal-sealed gate valve, while AWWA C515 gat

AWWA C507 is a standard developed by the American Water Works Association (AWWA). This standard specifies the technical requirements for the design, m

AWWA C500 and AWWA C509 are gate valve standards developed by the American Water Supply Engineering Association (AWWA), and they differ in many ways i