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.
Fully open design provides full flow when the valve is in the open position
Cold, non-shock maximum operating pressure rated at 200 psi W.O.G.
165° UL Listed fusible link standard (212° available)
- Body, cap, poppet: Stainless steel
- Cap gasket: PTFE
- Stem seal: PTFE encapsulated fluorocarbon elastomers