The lever action fire valve is held open by a flexible wire in which fusible links are placed. These will shear at a temperature of 160°F when the valve will then be snapped shut by heavy spring pressure.

Good quality Lever Fire Valve Kits, available in 3/8″ and 1/2″ BSP Female Threaded.

Each kit includes:

1 Lever Fire Valve Body 
9M of Stainless Steel Wire
2 Pulleys
1 Eutectic Soldered Link
1 Spring
1 Anchor
6 Ferrules

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