Positioners & Switches

Positioners & Switches

Our control valve positioners guarantee fast and accurate control by eliminating hysterisis and differential pressure affects while optimizing actuator selection.

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

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Find further information on Positioners & Switches 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 SP200 Electropneumatic Smart Positioner - - 1.05 MB
PDF SP300 Positioners - - 900 KB
PDF SP400 Smart Positioner - - 581 KB
PDF SP500 Programmable Positioner - - 571 KB
PDF Self-acting temperature controls with 2-port valves SB-F11- 07 5 2830.84 MB
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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 Electro Pneumatic Positioner ISP Intrisically Safe E/P Positioner - - 90 KB
PDF IPC4A Convertor - - 53 KB
PDF MPC2 High Efficiency Compressed Air Filter & Regulators - - 63 KB
PDF PP5 Pneumatic Positioner - - 89 KB
PDF SP2 Electropneumatic Smart Valve Positioner - - 146 KB
PDF SP200 Electroneumatic Smart Positioner - - 603 KB
PDF SP300 Pneumatic Positioner - - 295 KB
PDF SP400 Electropneumatic Smart Positioner - - 560 KB
PDF SP500 Electropneumatic Smart Positioner - - 561 KB
PDF Stonel Limit Switch - - 126 KB
PDF Stonel Position Transmitter - - 126 KB
PDF 2-port Self-acting Temperature Control Valve Selection for Heating and Cooling Applications TI-S21- 07 1 695 KB
PDF 37D and 37DE Pilot Operated Temperature Control Valve with SG Iron Body TI-P102- 01 4 671 KB
PDF BM, BMRA, BMF and BMFRA Self-acting Control Valves TI-P036- 01 5 112 KB
PDF BX and BXRA Gunmetal Self-acting Control Valves TI-P036- 02 4 124 KB
PDF HL17 High Limit Cut-out TI-P073- 11 2 140 KB
PDF KA31, KA33, KB31, KB33 and KC31 Cast Iron Self-acting Control Valves TI-P078- 02 10 127 KB
PDF KA43, KB43 and KC43 Steel Self-acting Control Valves TI-P078- 06 5 135 KB
PDF KA51, KB51 and KC51 Bronze Self-Acting Control Valves TI-P078- 04 6 133 KB
PDF KA61, KA63 and KC63 Stainless Steel Self-acting Control Valves TI-P078- 08 5 211 KB
PDF KX31, KX33, KY31 and KY33 Cast Iron Self-acting Control Valves TI-P078- 01 8 371 KB
PDF KX43 and KY43 Steel Self-acting Control Valves TI-P078- 05 6 228 KB
PDF KX51 and KY51 Bronze Self-acting Control Valves TI-P078- 03 9 286 KB
PDF Normally Closed Self-acting Control Valve Body Range TI-S21- 04 3 86 KB
PDF Normally Open Self-acting Control Valve Body Range TI-S21- 03 3 71 KB
PDF NS and NSRA Gunmetal Self-acting Control Valves TI-P049- 01 6 92 KB
PDF SA121, SA122, SA123, SA128 and SA1219 Self-acting Temperature Control Systems TI-P046- 01 11 417 KB
PDF SA422 Stainless Steel Self-acting Temperature Control Systems TI-P380- 01 3 142 KB
PDF SB and SBRA Gunmetal Self-acting Temperature Control Valves TI-P044- 01 8 135 KB
PDF TA10A and TA10P Steam Tracing Temperature Control Systems TI-P350- 01 3 128 KB
PDF Temperature Control Ancillaries TI-P033- 01 5 101 KB
PDF TW Three-port Self-acting Control Valve For Liquid Systems TI-P047- 01 12 726 KB
PDF Type 130 and HL10 'Safeguard High Limit Control' TI-P073- 03 6 108 KB
PDF Type 58 Temperature Control Valve TI-P041- 02 4 118 KB
PDF Type 58 Temperature Control Valve Capacities and Typical Applications TI-P041- 01 2 53 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 Fieldbus Valve Postioner - - 1.7 MB
PDF Pneumatic Positioner Series PP 5 - - 227 KB
PDF Profibus PA Valve Positioner - - 1.89 MB
PDF Smart Valve Positioner - - 256 KB
PDF SP2 Options - - 198 KB
PDF SP200 Electropneumatic Smart Positioner - - 914 KB
PDF SP2-Electropneumatic Smart Positioner - - 621 KB
PDF SP400 Electropneumatic Smart Positioner - - 1.12 MB
PDF SP500 Electropneumatic Smart Positioner - - 1.51 MB
PDF 202 Control IM-P035- 05 2 124 KB
PDF 205 Control IM-P035- 08 2 140 KB
PDF 37D and 37DE Temperature Control Unit IM-P102- 08 1 61 KB
PDF 37D and 37DE Temperature Controls IM-P102- 04 6 364 KB
PDF 37D Temperature Control Valve Supplementary Safety Information IM-P102- 09 1 38 KB
PDF HL17 High Limit Cut -out IM-P073- 10 2 287 KB
PDF Manual Actuator - Knob Adjustment IM-P381- 02 2 252 KB
PDF MC Temperature Control Systems Types MCO, MC1 & MC2 IM-P046- 09 2 42 KB
PDF SA Control Valve Types: BM, BMF, BX, SB, NS, KA, KB, KC, BMRA, BMFRA, BXRA, SBRA, NSRA, KX, KY IM-S21- 01 7 356 KB
PDF SA Temperature Control Systems Supplementary Safety Information IM-S20- 04 1 28 KB
PDF SA Temperature Control Systems Type 422 and 423 IM-P380- 02 2 47 KB
PDF SA121, SA122, SA123, SA128 and SA1219 Self-acting Temperature Control Systems (Dial Adjustment) IM-P382- 01 4 229 KB
PDF SA121, SA122, SA123, SA128 and SA1219 Self-acting Temperature Control Systems (Knob Adjustment) IM-P381- 01 5 255 KB
PDF SA422 and SA423 Self-acting Temperature Control Systems (Dial Adjustment) IM-P046- 12 3 295 KB
PDF SA422 and SA423 Self-acting Temperature Control Systems (Knob Adjustment) IM-P046- 11 4 171 KB
PDF Small Water Temperature Control, The Water Baby IM-P103- 07 3 96 KB
PDF Spirax Sarco Type DHF2 Cylinder Control IM-P039- 02 1 65 KB
PDF TA10A and TA10P Steam Tracing Temperature Control Valves IM-P350- 02 2 109 KB
PDF Temperature Control Systems Types 121, 122, 123, 128, 1219 and 422 IM-P046- 08 5 78 KB
PDF TW Temperature Control Valve IM-P047- 04 7 794 KB
PDF TW Valves Supplementary Safety Information IM-P047- 05 1 38 KB
PDF Type 130 and HL10 Safeguard High Limit Control IM-P073- 08 6 145 KB
PDF Type 58 Control Valve IM-P041- 03 4 169 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.

Positioners, Controllers & Sensors - CAD Drawings

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Firmware Updates

Firmware updates are available for the following products.

SP300 Configuration Files

Go to our Software page to find configuration files for our SP302 and SP303 Valve Positioners.

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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