Rotork
FB - Fire Protection
FB
Manual Quarter-turn Gear Operators for Fire Protection Butterfly Valves. Cast iron gearbox suitable for use with fire protection (i.e. sprinkler) systems, includes limit switches to be incorporated into a supervisory electrical circuit. Designed and tested specifically to meet UL1091 specification and FM1112 approval.
Features
- Cast handwheels (on smaller sizes)
- PTFE thrust washers
- Cast iron housing
- Ductile iron wormwheel
- ½” NPT gland fitting
- Recessed stop screws
- Stroke 0-90° (±5° adjustable at open and closed).
Features
Features
- Cast handwheels (on smaller sizes)
- PTFE thrust washers
- Cast iron housing
- Ductile iron wormwheel
- ½” NPT gland fitting
- Recessed stop screws
- Stroke 0-90° (±5° adjustable at open and closed).
Downloads
Drawings/Dimensions Data
