Foxboro SRI990-BIMS7EAA-R Valve Positioner

Description

Foxboro SRI990-BIMS7EAA-R Valve Positioner

Product Dimensions：

The Foxboro (by Schneider Electric) SRI990-BIMS7EAA-R is a sophisticated Analog Positioner designed to control pneumatic valve actuators. It is a high-end, ruggedized device that converts an electrical signal into a proportional pneumatic output to precisely position a control valve.

Product Detailed Description

The SRI990 series is known for its versatility and ease of use. The SRI990-BIMS7EAA-R model specifically operates with an analog 4–20 mA input signal. Unlike the digital (SRD) series, the SRI series focuses on high-speed analog processing for rapid response times in critical loops. The “R” suffix typically indicates a specific mounting or revision orientation suitable for rotary or linear actuators depending on the mounting kit used.

Technical Parameters

Product Advantages

• Fast Response: Analog circuitry provides nearly instantaneous adjustment to signal changes, making it ideal for fast-acting control loops.
• Easy Commissioning: Features simple mechanical adjustments for zero and span, allowing technicians to calibrate the valve in the field without complex software.
• Rugged Construction: Built with a heavy-duty housing designed to withstand extreme vibration, high humidity, and salt-spray environments.
• Modular Design: The “BIMS” configuration allows for easy integration of optional limit switches or position transmitters without replacing the entire unit.
• Low Air Consumption: Advanced pneumatic design minimizes steady-state air consumption, reducing operating costs and compressor load.

Important Considerations & Precautions

• Air Quality: To prevent clogging of the internal flapper-nozzle system, use only Instrument Air that is filtered (5 microns), dry, and oil-free.
• Mounting Alignment: Ensure the feedback lever is correctly aligned with the valve stem. Misalignment can cause hysteresis or mechanical wear on the positioner’s internal components.
• Split-Range: If using the device in a split-range application (e.g., 4–12 mA), ensure the internal springs or cams are correctly selected and adjusted.
• Cover Integrity: Always ensure the cover bolts are tightened and the O-ring is intact to maintain the IP65 rating, especially in outdoor installations.

Product Applications

The SRI990-BIMS7EAA-R is widely used in heavy industrial sectors:

• Chemical Processing: Precise control of reactant feed lines where fast loop response is required.
• Oil & Gas: Controlling pressure and flow on separators and wellhead equipment.
• Power Generation: Regulating cooling water flow and steam bypass valves.
• Pulp & Paper: Managing consistency and steam pressure in large-scale paper machines.

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：