The valve disc is equipped with a recoil disc. The plane structure of the valve disc and valve seat is easy to repair and reprocess, and the setting pressure deviation is small, which can reach the design requirements ± High quality spring steel is selected to ensure the service 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
