Positioner - fitted to a pneumatically actuated control valve that maximises its operational efficiency by guaranteeing a set valve position relative to the input control signal

Controllers - equipment or program within a control system which responds to changes in a measured value by initiating a control action to affect that value.

Sensor in control terms, the element which responds directly to the value of the controlled condition.

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Not all products are available in all markets.  Please choose your National Spirax Sarco Website or Contact Us for further information.

What do I do now?

Find further information on Positioners, Controllers & Sensors in the sections below, or get in touch for further assistance.

Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders
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Sales Brochures

Our brochures typically contain the concept, customer benefits and key features of the product.

Title Reference Number Issue File Size
PDF SP300 POSITIONERS SB-P370-18 1 1.09 MB
PDF SP400 and SP500 Smart Positioners for Energy Efficient Control SB-P343-41 1 3.56 MB
PDF SP400 Smart Positioner SB-P343-38 1 237 KB
PDF SP500 Communicating Smart Positioner SB-P343-39 1 258 KB
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Technical Information

Use our technical information sheets for a full technical specification of the product. They typically include:

  • Pressure/temperature limits
  • Materials
  • Sizes & connections
  • Dimensions & weights
  • Capacity charts
  • Ordering information
Title Reference Number Issue File Size
PDF EP5 Electropneumatic Positioner and ISP5 Intrinsically Safe Electropneumatic Positioner TI-P343-08 6 144 KB
PDF IPC4A and IPC4A-Ex Converters TI-P343-07 5 88 KB
PDF PN600 Series Pneumatic Controllers TI-P320-47 3 663 KB
PDF PP5 Pneumatic/Pneumatic Positioner TI-P370-14 7 161 KB
PDF RB11 and RB31 Switchboxes TI-P370-02 4 79 KB
PDF SLM1, SLM2, SLI1 and SLI2 Limit Switches TI-P369-01 2 609 KB
PDF SP1 Positioner TI-P343-10 2 43 KB
PDF SP300 Electropneumatic Smart (Fieldbus Positioner) TI-P370-19 2 455 KB
PDF SP400 Electropneumatic Smart Positioner TI-P343-36 3 335 KB
PDF SP500 Electropneumatic Smart Positioner TI-P343-34 4 416 KB
PDF SX50 Process Controller TI-P323-39 1
PDF SX80 Process Controller TI-P323-28 2 296 KB
PDF SX90 Process Controller TI-P323-30 3 323 KB
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Installation & Maintenance Instructions

Clear & accurate guidelines on installation & maintenance. They typically include:

  • General safety information
  • General product information
  • Installation
  • Commissioning
  • Operation
  • Maintenance
  • Spare parts
Title Reference Number Issue File Size
PDF Addendum to IM-P323-32, IM-P323-33, IM-P323-34 and IM-P323-35 Wiring Diagram for Connection of EL2600 Pressure Transmitter to SX80 or SX90 controllers IM-P323-36 1 82 KB
PDF EO11 Electrical Override IM-P320-34 5 21 KB
PDF HL100 Controller IM-S27-11 1 2.65 MB
PDF HL100+ Controller Operator Manual IM-S27-15 1 851 KB
PDF RB11 and RB31 Switchboxes IM-P371-08 3 157 KB
PDF SLM1, SLM2, SLI1 and SLI2 Limit Switches IM-P369-02 1 1.25 MB
PDF SP200 Electropneumatic Smart Positioner IM-P343-29 5 1.77 MB
PDF SP301 SMART VALVE POSITIONER IM-P370-20 1 1.2 MB
PDF SP302 FIELDBUS VALVE POSITIONER IM-P370-21 1 1.71 MB
PDF SP303 PROFIBUS PA VALVE POSITIONER IM-P370-22 1 1.91 MB
PDF SP400 Electropneumatic Smart Positioner IM-P343-37 3 0.99 MB
PDF SP500 Electropneumatic Smart Positioner IM-P343-35 3 2.71 MB
PDF SP500 Electropneumatic Smart Positioner - A guide to HART functionality IM-P343-40 1 768 KB
PDF SX25 Series Process Controller IM-P323-25 3 1.32 MB
PDF SX75 Series Process Controller IM-P323-23 3 1.08 MB
PDF SX80 and SX90 Engineering User Manual IM-P323-35 4 3.46 MB
PDF SX80 and SX90 Quickstart Guide IM-P323-32 4 560 KB
PDF SX80 and SX90 Quickstart Guide (English/French/Italian) IM-P323-33 2 1.65 MB
PDF SX80 and SX90 Quickstart Guide (English/Mandarin/Korean) IM-P323-34 2 1.76 MB
PDF SX80 and SX90 Quickstart Guide (English/Spanish/German) IM-P323-38 1 707 KB
PDF TC10 Pulsed Output Timer Control for Steam Main Warm-up IM-P320-60 3 255 KB
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CAD Drawings

CAD drawings enabling you to see exactly how the product is constructed. You can also drop these into your own schematics.

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Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders