Engineering and Manufacturing of Temperature and Flow Products including Self Operated  Valves Fluid Sensing Valves Freeze Protection Valves Unit Heater Control, Heat Exchange Control Steam Traps including Pinch Traps


Ambient Sensing Valves (External Sensing)




ST/STE series self operating valve 

        ST / STE Series

 TL series  self operating valve

TL Series


             AFR series self operating valve

       AFR/AFX Series

 AF series self operating valveAF Series

          IEV series self operating instrument enclosure valve
     IEV Series

Typical Applications

• Steam Tracing
• Unit Heaters
• Ship Supply Lines
• Fire Systems
• Cooling Towers
• Instrument Enclosures
• Heat Exchangers
• Tanks
• Dryers


2835 Terwood Road, Willow Grove, PA 19090 USA 800-523-2478  email:

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