Worm-Gear Operators

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