Progressive Instruments

 

Provides Spring, Pilot Operated and Modulating Pilot Relief Valves.

                                                                                     
 
  •  Snap acting and modulating options available
  • API Orifice sizes "D" through "T"

  •  Air and gas applications

  • Replaceable O-ring seals

  • Meets API 526 and API 527

  • Meets API class 150 through 2500 flange ratings

 

 Visit www.progressiveinstruments.com to learn more about these products. 

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