AT-HD SERIES
SCOTCH YOKE HEAVY DUTY ACTUATORS
AT-HD SERIES
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Product Overview
The Air Torque AT-HD Heavy Duty Actuator Series is designed for on/off and modulating duties. The AT-HD actuators can be supplied either with symmetric or canted yoke and can operate ball valves, butterfly valves and plug valves. The AT-HD Series is available in both double acting and spring return configuration.
The AT-HD Series is also available with pneumatic drive supply and hydraulic drive supply.
This Heavy Duty series is ready for automation, with all the ancillary attachments in compliance with the international standards. The AT-HD actuators can be equipped with various accessories and panels directly mounted on board or supplied free standing. All is completed in Air Torque factory. The Air Torque AT-HD Series incorporates several international patents which make these actuators unique for construction details and functionality properties.
Different range of working temperatures allows the best actuator selection compared to the working conditions
Output torque up to 200.000Nm.
RANGE
- 7 different yokes/models group both in double acting and spring return
- Output torque up to 200.000Nm
- Painting according to the Air Torque or project/customer standard
-
3 different working temperature executions
(from -60°C/-76°F up to +150°C/+302°F)
TECHNICAL FEATURES
- Mechanism: scotch yoke
- 90° rotation
- Housing base material: carbon steel
- -40°C as standard lower limit of temp execution
- Multiple choice of ISO flange and drive shaft connection for each actuator size
- Fasteners in stainless steel as a base.
- Typically no external tie rods for the pneumatic module
- Stroke adjustment range -5°/+5° and 85°/95°. Different range possible
- Available with pneumatic or hydraulic cylinder
- Painting according to the Air Torque or project/customer standard
-
Supply media: compressed dry or lubricated air and inert gasses,
process gasses and hydraulic oil (for hydraulic version) - Temperature execution from -60°C/-76°F up to +150°C/+302°F
- Accessories and control systems packages
- Special function/version:
- Valve link
- Manual override
- Fast acting
- Damper
- HIPPS integration
- PST function
- Customization
Products compliance / certificates
- ATEX 2014/34/EU
- DNV Type Approval
- SIL3
- EU Declaration of conformity
- TR CU 012/2011
- IP67 - Degree of protection
- UK CA