■ Product features

A27H and A27W spring micro opening safety valves are suitable for equipment or pipelines with working temperatures ≤ 200 ℃ for media such as water, air, steam, etc. A27Y is suitable for equipment or pipelines with corrosive media working at temperatures ≤ 200 ℃, as an overpressure protection device.

■ Structural images

■ Standard specifications

Design and Manufacturing Standards: GB/T 12243-2005

Structural length standard: GB/T 12221-2005

Connection flange standard: GB/T 9113

Pressure and temperature rating: GB/T 12224-2005

Test and inspection standards: GB/T 13927-2008