Designed for installation at the bottom outlet of an aboveground storage tank (AST) where product flow must be stopped in the event of a fire. Fusible link holds the spring loaded valve open until activated. NOTE: The valves shown on this page require periodic inspection to ensure the shut-off mechanism is operating correctly. They are not intended to be used as a "block valve" and should not be opened under pressure.
Features
- Flanged tank connection
- Adjustable hold open mechanism
- No shear section
- No locking mechanism
- 212º UL Listed fusible link standard
Construction Details
- Body and plunger: Ductile iron
- Shaft: Stainless steel
- Shaft packing: Teflon
- O-ring: Teflon encapsulated Viton (4" x 3")
- Spring: Stainless steel
Installation Instructions
Installation Instructions (PDF Download)
