Description:

• External emergency valves shut off flow at the outlet of an aboveground storage tank (AST) or in a liquid transfer line where product flow must be stopped in the event of a fire.
• Fusible link holds spring-actuated poppet in the open position.
• Materials of Construction:
• O-ring: PTFE encapsulated fluorocarbon elastomer
• Spring: 302 stainless steel
• Seal nut/plug: 303 stainless steel
• Handle: Brass
• Fulcrum shaft: 303 stainless steel
• Groove pin: Steel
• Hold open hook: Stainless steel
• Certifications: Fuse link is UL listed
• Flanged version also available