The full swing structure has large displacement, and the valve disc is equipped with recoil plate parts. The flat valve disc and valve seat are easy to repair and reprocess, and the setting pressure deviation is small, and can reach ± 3%, high quality spring steel is selected to ensure the life and stability of the spring.
Technical Parameter
Main material
Sealing surface material
Temperature range
Pressure range
Caliber range
Applicable standards
Connection standard
Driving mode
Applicable medium
WCB\CF8\CF8M等
PTFE\13Cr\STL等
-29~425℃
PN6~420 Clsaa150~2500
DN25~600 NPS1~24
GB/T12241 GB/T12221 ASME B16.10
ASME B16.5 GB/T9113 ASME B16.25 GB/T12224
automatic
Water, steam, oil, etc
Product name a42y spring full open closed high pressure safety valve product model a42y nominal diameter dn20-400 pressure range 1.6mpa-10.0mpa valve body material cast steel, forged steel, stainless steel product overview: a42y spring full open closed high pressure safety valve is suitable for working temperature ≤ 300 ℃ air, petroleum gas, liquid and other media equipment and pipelines
/ The relief valve / Spring type safety valve
