2.5" Adjustable Control and Pressure Regulating Valve
2.5" Adjustable Control and Pressure Regulating Valve2.5" Adjustable Control and Pressure Regulating Valve

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2.5" Adjustable Control and Pressure Regulating Valve

Model Number:  4033 and 4035
UL Listed
Product Function:
Used as a control and regulating valve for fire service end-of-line application on high-pressure sprinkler, standpipe and combined system. Indicator bonnet shows whether valve is open or closed. Adjustable indicating scale permits easy field setting. The valve is used to regulate inlet pressure to 400 PSI (27.5 bars).

Regularly Furnished:
Brass valve with non-rising stem, internal parts of brass and stainless steel, red alloy handwheel, female NPT inlet and male NST outlet.
Product Details
  • Material:  Cast Brass Valve , Red Powder Coat Aluminum Hand Wheel
  • Angle:  Angle , Straight
  • Adjustable:  Yes
  • Pressure:  Up to 400 PSI
  • UL Models:  All models in this series
  • Thread:  Must be specified by customer
  • Inlet:  2.5" Female NPT
  • Outlet:  2.5" Female NPT
  • Handle Type:  Wheel Handle
  • UL:  UL Listed
Related Model Numbers
  • 4033 - Angle
  • 4035 - Straight
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4033 and 4035
• Select type by model number. • Select hose thread for male outlet. • For factory setting of outlet pressure advise static pressure required.


  • -MSA1 Monitor Switch Adapter Tamper-Proof
  • -MSA2 Monitor Switch Adapter Fork Type

Optional Finish

  • -B - Polished Brass