Precision and Reliability for Pneumatic Valve Control
Overview: SRI983 Electro-Pneumatic Positioner
The SRI983 Electro-Pneumatic Positioner is designed for the operation of pneumatic valve actuators from control systems and electrical controllers using electric control signals. It is engineered to minimize the adverse effects of valve friction, providing higher thrust and shorter positioning time. The SRI983 ensures precise and reliable control in demanding industrial environments.
Key Features and Functions: 
- Independent Adjustment: Allows for separate adjustment of stroke range and zero.
- Adjustable Amplification and Damping: Ensures optimal performance and stability.
- Split Range Capability: Can handle up to three-fold split range for versatile applications.
- Universal Input: Compatible with 4-20 mA input signals.
- High Supply Pressure: Operates with supply pressure up to 6 bar (90 psig).
- Low Vibration Sensitivity: Maintains performance in all directions, minimizing the impact of vibrations.
- Flexible Mounting: Conforms to IEC 534, part 6 (NAMUR) standards, with rotation adapter for angles up to 120°.
- Versatile Installation: Suitable for mounting on any linear or rotary actuator.
- Explosion Protection: Certified for II 2 G Ex d and II 1 G Ex ia according to ATEX, and explosion-proof, intrinsic safety according to FM, CSA, and CU TR.
- EMC Compliance: Meets international standards and laws (CE).
Applications:
- Pneumatic Valve Actuation: Ideal for controlling pneumatic valve actuators in various industrial processes.
- Control Systems Integration: Compatible with control systems and electrical controllers requiring electric control signals.
- Harsh Environments: Suitable for use in explosive and intrinsically safe environments, ensuring safety and compliance.
- Industrial Automation: Enhances automation by reducing valve friction, providing higher thrust, and shortening positioning times.
Supplied by DP-Flow
If you require further information on this product or would like a quotation, please contact dp-flow on:
email: sales@dp-flow.co.uk
sales +44(0)1608 544222