Rotork FB Quarter-turn cast iron gearbox  Quarter-turn cast iron gearbox

Quarter-turn 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.

• Torque range up to 1,000 Nm (737 lbf.ft)
• 5 sizes
• Ratios from 40:1 to 60:1
• Worm gear
• Manual drive
• 3 x overload capacity
• 1,000 cycles

1. rotork-fb-quarter-turn-cast-iron-gearbox-280174.pdf