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Sterlco Sterling

Sterling Steam Control

Sterlco Engineering Co., Inc., Sterlco Sterl Co. Sterling
 

800-876-0036

Phone: 847-356-0566      Fax: 847-356-0747      E-Mail: sales@mmcontrol.com


Back to Sterlco Products

Sterlco Sterling Hand Radiator Valves

Radiator Valves; Models 518 Packed Stem, 523 Packless, 511 Spring Packed

Sterlco Radiator Valves feature practical, simple styling for your steam or hot water heating systems. The solid, rugged construction assures long serviceable life. Available in several different body patterns, these valves provide flexibility to meet the needs of your application.

Model 518 Packed Stem Valve

Design & Operation

Spec & Tech Sheets       

Sterlco Model 518 Packed Stem Valve
Model 518

Benefits & Features

Sterlco® Radiator Valve Model 518 is designed for steam heating systems with pressures of 25" vacuum to 125 PSI. It may also be used in water systems with pressures up to 200 PSI. This valve is equipped with positive "on" and "off" control for any type of heating element or radiator.

  • Heavy cast brass body, brass union and nut. This solid, simple, rugged construction will resist strains during installation and assures long serviceable life.
  • Heavy packing nut keeps pressure on solid onepiece synthetic fiber packing ring, providing a tight seal around the valve stem.
  • Practical, simple styling ... one piece handle with rising stem makes 518 easy to operate. Simple styling permits installation in exposed locations.
     

Model 523 Packless Radiator Valve

Design & Operation

Spec & Tech Sheets       

Sterlco Model 523 Packless Radiator Valve
Model 523 Packless

Benefits & Features

Sterlco® Radiator Valve Model 523 is designed for both steam and hot water heating systems. It can be applied to sub-atmospheric steam systems of 25" vacuum with pressures up to 125 PSI and to water systems with working pressures up to 125 PSI. It is equipped with positive "on" and "off" control for any type of heating element or radiator.

  • Heavy brass body casting, brass union nut and nipple capable of resisting strains during installation. Unique design using primary and secondary levers of high tensile, high yield non-corrosive alloy actuates the plunger. Minimum number of parts reduces maintenance. Available in two body patterns.
  • Primary and secondary levers and the return spring allow free up and down movement of the valve plunger and disc. This prevents leakage of steam, water and air into the system and also prevents clogging and corrosion.
  • Valve is fully opened or closed with less than one turn of the handle. It features positive valve shut off providing a perfect seal in closed position.
  • Attractive, simple styling, non-rising handle and low bonnet permits installation in open location.
     

Model 511 Spring Packed Hand Valve

Design & Operation

Spec & Tech Sheets       

Sterlco Model 511 Spring Packed Hand Valve
Model 511 Spring Packed

Benefits & Features

Sterlco® Radiator Valve Model 511 is designed for steam heating systems with pressures of 25" of vacuum to 150 PSI. It may also be applied to water systems with pressures up to 200 PSI. Like other Sterlco® Radiator valves, the 511 is equipped with positive "on" and "off" control for any type of heating element or radiator.

  • Features a heavy brass body casting which will resist strains during installation. This simple, rugged pattern is available in four body patterns.
  • Heavy coil spring maintains pressure on special one-piece synthetic fiber ring, providing a tight seal around the valve stem.
  • Valve is fully opened or closed with less than one turn of the handle. Positive valve shut-off means a perfect seal in closed position.
  • Attractive, simple styling, heat-resisting composition handle with non-rising stem, permits installation in exposed locations.
 

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Phone: 847-356-0566      Fax: 847-356-0747      E-Mail: sales@mmcontrol.com

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