BRAND NEW SPIRAX SARCO SP400 SMART POSITIONER

1. Core Specifications

• Model: SP400 Smart Positioner

• Type: Microprocessor-based digital positioner

• Mounting: Direct mounting on linear or rotary actuators

• Housing: Aluminum (IP66/NEMA 4X rated)

• Operating Temp: -40°C to +85°C (-40°F to +185°F)

2. Control Characteristics

• Input Signal: 4-20mA (2-wire or 4-wire)

• Position Feedback: 4-20mA or HART output

• Control Accuracy: ±0.5% of span

• Response Time: <1 second (90° rotation)

• Deadband: Adjustable down to 0.1%

3. Pneumatic Specifications

• Supply Pressure: 1.4-7 bar (20-100 psi)

• Air Consumption: <0.1 Nm³/h at steady state

• Output Pressure: 0-100% of supply pressure

• Port Sizes: 1/4″ NPT standard

4. Communication & Diagnostics

• Protocols: HART 7 (4-20mA + digital)

• Diagnostics:

  • Valve signature analysis

  • Friction/stiction monitoring

  • Travel cycle counting

• LED Indicators: Status, alarms, communication

5. Setup & Configuration

• Auto-Calibration: One-touch setup

• Manual Override: Local pushbutton control

• Software Tools: Spirax Sarco “ValveMate” configuration tool

• Display: Backlit LCD with 4-button interface

6. Mechanical Compatibility

• Actuator Types:

  • Linear: 10-300mm stroke

  • Rotary: 90° or 180° rotation

• Mounting Kits: Available for major actuator brands (Fisher, Samson, etc.)

7. Advanced Features

• Fail-Safe Modes: Configurable (last position or defined safe position)

• Split-Range Capability: 4-12mA and 12-20mA ranges

• Stem Force Control: For spring-diaphragm actuators

8. Application Range

• Steam Systems: Control valves, PRVs

• Process Industries: Chemical, pharmaceutical, food & beverage

• HVAC: Large commercial systems

9. Ordering Information

• Standard Version: SP400-101 (HART communication)

• Explosion Proof: SP400-102 (ATEX/IECEx certified)

• Accessories:

  • Mounting kits

  • Air filter regulators

  • Communication adapters

10. Maintenance Features

• Predictive Maintenance:

  • Wear trend monitoring

  • Leak detection

• Service Interval: 5 years recommended (under normal conditions)