Ammonia and Fluorine Safety Valves

● Purpose 
    The micro-lift safety valve is installed on refrigeration equipment or pipelines as one of the safety measures. When the system operating pressure exceeds the specified value, the valve automatically opens to restore the medium pressure to normal, ensuring the system operates safely. 

● Standard 
    Design, manufacturing, testing, and inspection standards: GB12241-89, GB12242-89, GB12243-89 

● Test Pressure and Design Pressure 
    Test pressure: Hydraulic strength test: 3.75 MPa 
                Sealing test: 2.5 MPa 
    Design pressure: 2.5 MPa 

● Applicable temperature: -50 ～ +150℃ 

● Applicable medium: Ammonia, Fluorine 

● Main body material: Carbon steel 

● Model specifications 
    A21F-25C DN15～DN20 
    A11F-25C DN25～DN32 
    A41F-25C DN25～DN32