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Valtorc
quarter turn valve actuator

quarter turn valve actuator

Product catalog summary

Overview
The VALTORC Electric Actuator is engineered for high performance on quarter turn valves, featuring a reliable motor module, adjustable cam plate limit switch, self-locking mechanism, precision gearing, and ISO 5211 mounting dimensions.

Features

Enclosure: Waterproof and explosion-proof options available, compliant with IP 67, NEMA 4 & 6.
Motor: Squirrel cage motor with high stall torque and thermal protection.
Internal Components: Modular design for easy maintenance, with optional accessories.
Limit Switches: Adjustable cam plates prevent over-travel, with auxiliary switches included.
Torque Switches: Installed for overload protection on models with 885 In-Lbs torque and above.
Heater: Prevents condensation and keeps components dry.
Self-Locking Mechanism: Worm gear design maintains valve position against reverse torque.
Handwheel and Manual Override: Ensures safe emergency operation with automatic declutching.
Visual Position Indicator: Mounted on the center drive column.
Stop Adjustment: Allows for +/- 5 degrees adjustment.
Mounting & Adaptation: Conforms to ISO 5211 with adaptor drive bushing for direct mounting.

Applications
Designed for robust and reliable performance in valve automation, offering advantages like a reliable motor module and precision gearing.

Technical Information
Includes detailed specifications for various models (EL520, EL885, EL2124, EL4425, EL7080, EL26550) covering torque ratings, operating times, connection sizes, and more.

Standard Specifications

Enclosure: Weatherproof with IP67, NEMA 4 and 6 ratings.
Power Supply: Options for 110/220 VAC and 380/440 VAC.
Duty Cycle: Ranges from 10 to 50% depending on the model.
Motor: Squirrel caged induction motor with thermal protection.
Position Indicator: Continuous with arrow.
Manual Override: De-clutchable with double worm gearing.
Space Heater: Available in 20W and 5W options.
Ambient Conditions: Operates in temperatures from -4°F to +158°F and up to 90% humidity.

Ordering Information
Details on how to order, including series size, motor and power supply options, actuator bushings, and special options like modulating control cards and battery backup.

Bushing Codes
Provides dimensions and applicable actuator sizes for various bushing codes.

Catalog excerpts

The VALTORC Electric Actuator is designed and engineered for robust, reliable and high performance duty on quarter turn valves. The unique reliable motor module, adjustable cam plate limit switch, self locking mechanism, precision gearing system and ball bearing, auto declutchable mechanism, light rim pull on the hand-wheel, adaptor drive bushing and bottom ISO 5211 mounting dimension are added advantages against others in the field of valve automation. Features Enclosure Standard enclosure to water proof and water tight to IP 67, NEMA 4 & 6. Explosion proof Ex d IIBT4 is also available. Motor...

Open the catalog to page 2

Standard Specifications Main Power supply Control power supply Duty cycle(on-ofl) Duty cycle(modulating) Torque switches Stall protection/set temp. Travel angle NEMA 4 and 6, O-ring sealed tr- Squirrel Caged induction motor > 1 each for Open and Close (SPDT Built in Thermal protection Position indicator Manual override Self locking Mechanical stop Space Heater Conduit entries Ambient temperature Ambient humidity Arrti External coating Continuous Position Indicator with arrow Provided by double worm gearing (no brake) 1 each for each travel end (Open and Close), external & adjustable Bushing Code...

Open the catalog to page 4

quarter turn valve actuator

quarter turn valve actuator

Catalog excerpts

All Valtorc catalogs and technical brochures