Samson 3730-3 Electropneumatic Valve Positioner with  955 Air Filter Regulator

Product Overview
The Samson 3730-3 is a SIL 3-certified electropneumatic valve positioner designed for precision control in safety instrumented systems (SIS). Integrated with HART 7 communication and EXPERTplus diagnostics, it ensures reliable performance in critical industrial processes. Paired with the Samson 955 Air Filter Regulator, this system provides filtered air supply and pressure regulation, making it ideal for harsh environments.

Key Features
1. Advanced Diagnostics

• HART 7 communication for real-time valve health monitoring
• EXPERTplus software integration for predictive maintenance alerts

2. Robust Design

• IP66/NEMA 4X enclosure withstands extreme temperatures (-40°C to 85°C)
• 955 Air Filter Regulator ensures clean, stable air supply

3. Safety Compliance

• SIL 3 certification (IEC 61508/61511) for safety loops
• Partial stroke testing (PST) without process interruption

4. Customization

• Compatible with linear/rotary actuators and SAMSON direct-mount valves
• Adjustable output pressure limits and tight-closing function

Technical Specifications

Applications

• Industries: Oil & gas, petrochemicals, power generation, pharmaceuticals
• Processes: Emergency shutdown (ESD), fire & gas safety systems
• Environments: ATEX Zone 1/21, corrosive media handling, extreme temperature zones

Contact Us

• Email: edward.zhao@gongboshi.com
• Website: https://www.shgongboshi.com/contactus.html
  
  
  Phone: +86-15000725058 (WeChat/WhatsApp supported)

We Also Stock Related Products

• Samson 3730-5 Electropneumatic Valve Positioner
• Samson 955 Air Filter Regulator (Spare Parts)
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• Flowserve Logix 520MD SIS Controller