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)
• 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)
• 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