SAMSON 3730 Communication Digital Intelligent Valve Positioner

The SAMSON 3730 Digital Intelligent Valve Positioner is a high-performance device designed for precise control of valve positions in industrial applications. Featuring advanced communication capabilities, this positioner is compatible with various communication protocols, including HART, PROFIBUS, and FOUNDATION Fieldbus, enabling seamless integration into modern process control systems.

With its digital intelligence, the SAMSON 3730 offers exceptional accuracy, stability, and diagnostic capabilities. It is engineered for use with both linear and rotary actuators, making it versatile for a wide range of industrial environments such as chemical, petrochemical, oil and gas, and power generation.

Specifications

• Model: SAMSON 3730

• Actuator Compatibility: Linear and rotary actuators

• Communication Protocols:

  • HART

  • PROFIBUS PA

  • FOUNDATION Fieldbus

• Input Signal Range: 4–20 mA

• Valve Travel Range:

  • Linear: Up to 130 mm

  • Rotary: 24° to 100°

• Power Supply:

  • 24 V DC (for bus-powered versions)

  • Loop-powered for HART

• Diagnostic Features:

  • Valve performance monitoring

  • Predictive maintenance alerts

  • Error diagnostics and troubleshooting

• Operating Temperature: -40°C to +80°C (-40°F to +176°F)

• Enclosure Material: Aluminum, optional stainless steel

• Ingress Protection:

  • Standard: IP66

  • Optional: NEMA 4X

• Explosion Protection:

  • ATEX-certified for hazardous areas

  • CSA, IECEx, and FM approvals available

• Display and Operation:

  • Local LCD with push buttons

  • Remote configuration via communication protocols

• Mounting Options:

  • Direct mounting

  • NAMUR standard mounting