2-1/2″ Groove x Male Hose Factory Set Pressure Reducing Angle Valve with Supervisory Switch

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The Wilson and Cousins’ IE2600-25-GM-SS Series feature a range of 2-1/2″ Groove by Male Hose Thread factory set pressure reducing [orientation] valves. These brass valves are intended to serve as floor control valves, standpipe valves, or a checking device. Listed by Underwriters’ Laboratories, the IE2600-25-GM-SSseries can handle FLOW and NO-FLOW conditions, as required by NFPA for CLASS I and III systems, up to maxiumum inlet pressures of 400 PSI. Tapped and plugged holes (1/4″) are standard on all bodies to allow for monitoring by external pressure gauges (sold seperately).

The inclusion of a Supervisory Switch allows for external monitoring of the valves Open/Closed position.

Download our Valve Selection Guide to find the recommended valve size for your application.

Chrome Plate Finish
Specify Hose Thread

Female NPT x Male Hose; Angle (-FM)
Female NPT x Female NPT; Angle (-FF)
Female NPT x Female NPT; Inline (-ST)
Groove x Groove; Angle (-GG)
Groove x Groove; Inline (-SG)



A:     13.81″     (351 mm)     [OPEN]
A:     13.06″     (332 mm)     [CLOSED]
B:      3.81″       (96 mm)
C:      3.13″       (79 mm)

IE2600-25-GM-SS - Dimensions

Wilson & Cousins’ IE2600-25-GM-SS Series:

  • Pressure reducing angle (90-degree) valve
  • UL/ULC Listed
  • Cast brass construction
  • Integral supervisory switch for remote monitoring of open or closed position
  • Maximum inlet pressure up to 400 psig (2757 kPa)
  • Maximum inlet flow rate up to 500 gpm
  • Eight (8) different bonnet sizes to choose from, each one offering different reduction properties