Control Valves

Comprehensive selection of control valves to meet every application;

  • Self-acting temperature control
  • Self-acting pressure control
  • Piston actuated
  • Ball valves
  • Globe valves
  • General service, special service & severe service
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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.

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Find further information on Control Valves 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 3-port valves pneumatically actuated SB-S23-04 3 274 KB
PDF 3-Port valves, electrically actuated SB-S22-06 4 250 KB
PDF C series Cage design control valves SB-F12-19 4 0.98 MB
PDF Control valves for general and special service SB-GCM-24 2 1.71 MB
PDF Desuperheating solutions SB-P475-07 1 1.55 MB
PDF Piston actuated valves SB-P373-06 4 483 KB
PDF SPIRA-TROL General service control valves SB-S24-45 3 509 KB
PDF STERI-TROL Clean Service Control Valves SB-P183-01 3 160 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 Balanced and Multi-stage Trim Options for SPIRA-TROL Two-port Control Valves TI-S24-59 2 449 KB
PDF 'C' Series Valve Options TI-F12-23 3 522 KB
PDF 'C' Series Valve Spares TI-F12-22 4 114 KB
PDF CE43 1" (DN25) to 4" (DN100) Carbon Steel Cage Design, Two-Port Control Valves TI-F12-21 5 575 KB
PDF CE43 5" (DN125) to 8" (DN200) Carbon Steel Cage Design, Two-Port Control Valve TI-F12-24 3 563 KB
PDF CE63 1" (DN25) to 4" (DN100) Stainless Steel Cage Design, Two-Port Control Valves TI-F12-34 4 581 KB
PDF CE63 5" (DN125) to 8" (DN200) Stainless Steel Cage Design, Two-Port Control Valves TI-F12-33 4 578 KB
PDF CE83 1" (DN25) to 4" (DN100) Alloy Steel Cage Design, Two-Port Control Valves TI-F12-20 6 639 KB
PDF CE83 5" (DN125) to 8" (DN200) Alloy Steel Cage Design, Two-Port Control Valve TI-F12-25 4 596 KB
PDF Desuperheater Online Program Sizing Guidance TI-P475-06 2 820 KB
PDF Direct Contact Desuperheaters TI-P475-01 2 327 KB
PDF DM Type Solenoid Valves for use with Piston Actuated Valves TI-P373-04 4 36 KB
PDF KE Series DN15 (1/2") to DN200 (8") Two-port Control Valves TI-P374-02 3 275 KB
PDF KEA Series 1/2" (DN15) to 8" (DN200) ANSI Two-port Control Valves TI-P305-11 1 633 KB
PDF Pressure / Temperature Limits for Control Valves TI-S24-41 2 90 KB
PDF QLM and QLD Series Three-port Control Valves TI-P359-14 4 408 KB
PDF SPIRA-TROL 1/2" to 4" ASME (ANSI) Two-port KEA, KFA and KLA Control Valves TI-P375-01 3 866 KB
PDF SPIRA-TROL 1/2" to 4" ASME (ANSI) Two-port LEA, LFA and LLA Control Valves TI-P377-01 3 672 KB
PDF SPIRA-TROL 6" and 8" KEA, KFA and KLA Two-port Control Valves TI-P378-02 4 887 KB
PDF SPIRA-TROL DN125 to DN200 KE, KF and KL Two-port Control Valves TI-P378-01 4 894 KB
PDF SPIRA-TROL DN15 to DN100 KE, KF and KL Two-port Control Valves TI-P374-01 2 803 KB
PDF SPIRA-TROL DN15 to DN100 LE, LF and LL Two-port Control Valves TI-P303-11 2 580 KB
PDF SPIRA-TROL Two-port Control Valves EN Standard JE, JF and JL DN15 to DN200 and ASME Standard JEA, JFA and JLA 1/2" to 8" TI-S24-60 1 555 KB
PDF STERI-TROL Clean Service "S" series Two-port and Three-port Control Valves DN15 (1/2") to DN100 (4") TI-P183-02 3 1.67 MB
PDF Superheated Steam Sizing Chart TI-GCH-27 3 60 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 S24-42 SPIRA-TROL K and L Series Two Port Control Valves IM-S24-54 1 158 KB
PDF 'C' Series Control Valves IM-F12-31 3 1.08 MB
PDF Colima Visco and Colima Viscorol Magnetic Level Controllers IM-P329-02 1 669 KB
PDF DN15 to 100mm KE43B, 71B and 73B Control Valves IM-P301-05 3 115 KB
PDF K and L Series Two-port Control Valves IM-S24-15 4 1.25 MB
PDF QLM and QLD Series DN125 to DN200 Three Port Control Valves IM-P359-15 1 688 KB
PDF QLM and QLD Series DN15 to DN100 Three Port Control Valves IM-P359-01 3 356 KB
PDF Replacing Chevron Seals with Graphite Packing Set IM-S24-32 1 37 KB
PDF SAD Steam Atomising Desuperheater IM-P475-02 1 520 KB
PDF SND Spray Nozzle Desuperheater IM-P475-03 1 624 KB
PDF SPIRA-TROL K and L Series Two-port Control Valves IM-S24-42 5 1.69 MB
PDF STD Spray Type Desuperheater IM-P475-04 1 514 KB
PDF STERI-TROL Clean Service "S" Series Two-port Control Valves DN15 (1/2") to DN100 (4") IM-P183-03 2 531 KB
PDF VTD Venturi Type Desuperheater IM-P475-05 1 403 KB
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Examples of Typical Solutions

Clear diagrams and descriptions on parts - This information helps you to understand the specific application of this product.

Control Valve Applications

Drawings and components of various control valve applications.

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Steam Engineering Tutorials

Tutorials explaining the principles of steam and heat transfer, specific to this product section.

Control Valves

Control valves are discussed, along with theory and practical advice on how to size them for water and steam systems.

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Calculators

The appropriate calculator to help designers and engineers select and size the products they need.

Control Valves

Suitable for steam and water, calculate valve Kv, flowrate, or pressure drop using this calculator.

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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.

Control Valves - CAD Drawings

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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