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Did You Know...
On this website, you have access to manuals and product specification for Limitorque.s MX series, L120 series, SMB series, and LY series actuator and the HBC and B320 series gear operators. Just click on the New Actuator section of the menu bar.
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Actuator Repair
Reference Documents
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CI-ACTUATION - New Actuators
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MX SERIES
Two control switches for setup, monitoring, and adjustment.
Three light-emitting diodes (LEDs) signal valve and actuator status.
32-character LCD display is easy to see and understand.
Fast, non-intrusive setup without tools responds to .yes. or .no. answers.
Local diagnostics speed servicing.
Password and padlock provide security.
Separate, double-sealed termination chamber protects internal controls.
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L120 SERIES
Aluminum and ductile iron housings offer durability.
Available in weatherproof, submersible, and explosionproof construction for the most demanding environments.
All metallic lubricated steel-on-bronze gearing has shaft-supported anti-friction bearings for years of reliable operation.
Manual declutching disconnects motor from handwheel to protect personnel.
Torque overload protection in both directions.
Motors are optimized for valve actuation.
Units connect within most network configurations.
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SMB SERIES
Rugged cast iron housings offer years of durability
Insertable stem nut permits stem nut replacement without major dissasembly
Double reduction (helical and worm) gear set optimizes speed versus torque sizing trade-offs
Automatic torque limit disconnects power in case of valve obstruction to prevent damage
Full access compartment facilitates calibration, set up, and maintenance
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HBC SERIES
Manually operated or automated with a Limitorque electric actuator
Fully weatherproofed, permanently lubricated, and supported on anti-friction bearings
Design features include: valve position pointer, alloy steel worm shaft, bronze worm gear, and adjustable mechanical stop, all enclosed in a cast-iron housing
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B320 SERIES
Easily converted for motorized applications
Weatherproof enclosure (NEMA 4) or temporary submergence service to NEMA 6,IP 67/68
Spur gear attachments available to reduce input torque
Rugged cast iron enclosure meets the most severe environmental conditions
Machine-generated gearing assures minimum backlash and smooth operation
Bevel pinion and bevel gears are completely supported on anti-friction bearings
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LY SERIES
Modular design provides flexibility and simplifies servicing and maintenance.
Easy-access compartment speeds setup, service, and maintenance.
Compact, light-weight design is durable and corrosion-resistant.
Integral controls offer a wide range of options for automation.
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