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

Parameter Name	Parameter Value
Type	worm
Shaft orientation	right angle
Other characteristics	manual