AT Series
Pneumatic Modulating Control Valve Actuator
Pressure Rating: 150 PSI | Bore Sizes: 5″ – 42″ | Pneumatic modulating control valve actuator with integral position transducer. Can be used as anti-surge valve actuator.
![pneumatic control valve actuator modulating pneumatic control valve actuator modulating](https://www.cowandynamics.com/wp-content/uploads/2020/11/pneumatic-control-valve-actuator-modulating.png)
One powerful control valve with a self-contained transducer.
Plug in the AT Series.
![SIL 3 Logo SIL 3 Logo](https://www.cowandynamics.com/wp-content/uploads/2015/05/SIL3_Color_225.png)
Valve Compatibility
Our Series AT Pneumatic Modulating Control Valve Actuator is compatible with any process valve that requires linear motion.
![](https://www.cowandynamics.com/wp-content/uploads/2021/05/Anti-Surge_Valve.png)
Anti-Surge Valve
![](https://www.cowandynamics.com/wp-content/uploads/2021/05/globe-valve-actuator.png)
Globe Valve
![](https://www.cowandynamics.com/wp-content/uploads/2021/05/pinch-valve-actuator.png)
Pinch Valve
![Flotation Cells](https://www.cowandynamics.com/wp-content/uploads/2015/01/flotation.gif)
See how the AT System works
View our video to learn how our AT Series will maximize your operation. A truly amazing control valve which solves factory linkage arm issues with in one simple replacement.
AT Series Features
- Compact design with self-contained transducer
- Modular transducer for easy installation
- Switchable output – analog or digital
- Dual- or triple-seal gland
- High-strength carbon fiber barrel
- Vibration resistance: up to 10Gs at 2000Hz
- Made-to-order stroke lengths
- SIL 3 Capable (IEC 61508)
Pivot Mounts now Available
![Pivot Mount for Pneumatic Control Valve Actuator](https://www.cowandynamics.com/wp-content/uploads/2015/01/pivotMount-300x164.png)
AT Series options:
Steel
Stainless steel
Dart valve actuator
Pivot mount
Compatible Positioner Brands
![Stainless Steel Pneumatic Control Valve Actuator - AT Series](https://www.cowandynamics.com/wp-content/uploads/2015/01/AT-flyin.png)
![Positioner Brands](https://www.cowandynamics.com/wp-content/uploads/2015/01/positioner_brands.png)
Remote Mounts
Digital positioners mounted remotely in a cabinet are ideal for harsh environments and any application with difficult or limited access to the actuator.
Cabinets available: Nema 4X, 9X and explosion-proof, manual override customized to suit your application
Direct Mounts
- Direct mount digital positioner
- NEMA 4X/IP66
- Fail/close or Open Upon Loss of Power
- Optional Fail Last Module
- Communication options:
4-20 mA
HART
Profibus PA
Foundation Fieldbus
Intrinsically safe version available
Add-Ons
Volume Booster
![Volume Booster](https://www.cowandynamics.com/wp-content/uploads/2015/03/VolumeBooster.png)
GT3 Gland for Harsh Environments
![GT3 Gland](https://www.cowandynamics.com/wp-content/uploads/2015/04/GT3-Gland-SM.png)
Options:
Low Temp
Cast Iron construction for applications where yellow metals are not allowed
Mounting Kits: ISO, MSS & Customized Patterns Available
![Mounting Kits](https://www.cowandynamics.com/wp-content/uploads/2015/01/ValveMntgKit.png)
Anti-Rotation Torque Arm:
Maintains constant alignment between valve stem and cylinder piston-rod. Compatible with rotary type switch boxes and beacons.
Field-Adjustable Travel Stops:
To limit stroke for position-seated or limited-travel applications. Ensures valve reaches positive sealing every time without damage to valve internals.
Remote Mount
![Control Panel](https://www.cowandynamics.com/wp-content/uploads/2015/03/PanelBox_closed.png)
Cabinets available: NEMA 4/4X or for hazardous areas.
Manual override customized to suit your application.
Direct Mount
![Direct Mount: PMV](https://www.cowandynamics.com/wp-content/uploads/2015/03/PMV.jpg)
In Market Example
150 psi Pneumatic Valve Actuator with integrated position transducer. Fully enclosed feedback unit is protected from damage. No exposed transducer or linkage arms. Excellent for flotation systems
![In Market Example: Pneumatic Control Valve Actuator](https://www.cowandynamics.com/wp-content/uploads/2015/01/AT_inMarket.jpg)