Product Sheet MAXTORQUE Worm Gear Products
Featuring patented autolocking technology.
Worm-Gear Operators
MAXTORQUE high-performance valve products
Efficiency. Durability. Quality.
MAXTORQUE high-performance valve products include self-locking worm-gear solutions that reduce your workload to operate a valve by 75%. This improves your HSE profile and worker efficiency on manual valves and smaller actuators on motorized valves.
Features
- 2× to 2.5× the efficiency of commodity gears
- Self-locking design
- Double-enveloping gear set
- Unique tooth design to reduce microscopic stresses
- Superior sealing system
- Handling of torques in excess of 1,00,000 lbf.ft [1,355,818 N.m]
Benefits
- Reduces work by up to 75%
- Reduces turns, handwheel size, and rim pull
- Reduces stroke time
- Improves HSE profile
Applications
- High-performance, metal-seated ball and butterfly valves
- Large butterfly valves
- High-torque and high-thrust rising stem valves
- Marine and subsea with pressure compensation
- Declutch and partial stroke
- River and sluice gate valves
- Remote or DC service (limited power availability)
- High-cycle, high-precision process control
- Extreme-temperature environments
| Model |
Rated Torque, 1,000 Cycles, ft.lbs |
Max. Standard Bore, in |
Standard Mounting, Min./Max. | Max. Stem Engagement |
Base Unit Ratio |
Base Mech. Adv. |
| LW1 | 3165 | 2.75 | FA14/FA19 | 3.5 | 24.33 | 14.72 |
| LW2 | 5667 | 3.25 | FA16/FA25] | 4.5 | 24.33 | 14.72 |
| LW3 | 8333 | 4 | FA19/FA30 | 5.375 | 25.3 | 15.31 |
| BW1 | 16,667 | 5.5 | FA25/FA40 | 7.5 | 20.25 | 14.18 |
| BW2 | 33,333 | 6.5 | FA30/FA48 | 8.375 | 18.75 | 13.13 |
| BW3 | 48,333 | 9 | FA40/FA60 | 9.5 | 22.75 | 15.93 |
| BW4 | 83,333 | 9 | FA40 />FA60 | 10.25 | 28.25 | 19.78 |
| MW1 | 125,000 | 10 | FA48 />FA60 | 15.75 | 21.75 | 12.72 |
| MW2 | 187,500 | 10 | FA48 />FA60 | 15.75 | 21.75 | 15.94 |
| MW3 | 250,000 | 10 | FA48 />FA60 | 15.75 | 30.75 | 17.99 |
Worm-Gear Operators
MAXTORQUE high-performance valve products
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