GEARS

Product Portfolio

Worm Gears

Bevel Gears

Declutch Gears

SUPERIOR PRODUCT OFFERINGS. DEDICATED SERVICE.

AIT offers manual gear boxes with in-house machining available for customized valve fitting.

Worm Gears

For quarter-turn applications; ball valves, plug valves, butterfly valves

Bevel Gears

For multi-turn applications; gate valves, globe valves & special applications

Declutch Gears

For quarter-turn applications; ball valves, plug valves, butterfly valves

Worm Gears

For quarter-turn applications; ball valves, plug valves, butterfly valves
Ductile iron industrial grade housing(s), WCB available
From 2,800in-lbs to over 6,000,000in-lbs output torque available
Standard as manual gearbox with locking devices
Optional motorized gear flanges for electric/MOV applications
ISO 5210/5211 output flanges are standard with custom mounting pads available (depending on gear model / application)
IP65 rating standard, available IP67 rating
Gear ratios available from 28:1 up to 4704:1
Standard service, buried service, & submerged service available
Removable splined bushing (makes it easier for a machinist)
Dual thrust bearings on worm wheel for smooth operation

Bevel Gears

For muti-turn applications; gate valves, globe valves, & special applications
Ductile iron industrial grade housing(s), WCB available
From 162ft-lbs to over 600,000ft-lbs
Manual/hand wheel driven gearboxes are standard with motor flanges and locking devices available as options
ISO 5210/5211 output flanges are standard with custom mounting pads available (depending on gear model / application)
IP65 rating standard, available IP67 rating
Gear ratios available from 3:1 up to 200:1
Standard service, buried service, & submerged service available
Removable splined bushing (makes it easier for a machinist)
Lug drive, torque only gears available in stock

Declutch Gears

For quarter-turn applications; ball valves, plug valves, butterfly valves
Ductile iron industrial grade housing(s)
From 2,600in-lbs to over 800,000in-lbs output torque available
Standard as manual gearbox with locking devices
ISO 5210/5211 flanges on actuator (top) side and valve (bottom) side
IP67 rating standard
Gear ratios available from 31:1 up to 1457.4:1:1
Removable splined bushing (makes it easier for a machinist)
Dual thrust bearings on worm wheel for smooth operation

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