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Supervisory Switch Butterfly Valve

Supervisiory switch butterfly valves are produced for separating the zones and act like control valves. In fire protection systems, valves have to can be monitored. They are provided with a hand wheel mounted on the shaft communicates with the gear box for positioning. This way, users can have information about automation system and improved equipment in order to see easily on the valve body. It is suitable for using at indoor or outdoor.

Advantages: To compare with other valves, this type of valves takes less area.

Disadvantages: For other valves, it has more pressure loss.

Connection Type:
Threaded, Wafer and Grooved

Working Pressure:
175psi ~ 300psi

Max. Working Temperature:
120ºC

Dimensions:
1” – 12”

Material Features:
- Body: ASTM A 536 Nodular cast iron
- Disc: ASTM 395 (Nickel covered) Nodular cast iron
- Spindle: ASTM 583 Tip 416 Stainless Steel
- Threaded Box: Cast iron and Steel
- Gasket: EPDM
- FlyWheel: Cast iron

Application Areas:
These valves are using in many fire areas.

Approvals:
- UL Listed
- ULc Listed
- FM Approved