Knowledge

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

AWWA C504 is a standard for rubber-sealed butterfly valves developed by the American Water Supply Engineering Association (AWWA). AWWA C504 valves are

The main differences between AWWA C504 and AWWA C516 lie in the applicable valve size range, structural design requirements, and application scenarios

Both C509 and C515 gate valves belong to the soft-seal gate valve standard set by the American Waterworks Association (AWWA) and are widely used in dr

Solid wedge gate valves are suitable for small diameter (≤DN50) and low-pressure, low-temperature applications; however, they require high machining p

Resilient seat gate valves and resilient wedge gate valves are two different naming conventions for valves. Resilient seat gate valves emphasize the s