Diaphragm Pressure Relief Regulator Valve, 3/4 In. NPT


$45.99 EA

Use this diaphragm pressure relief valve to help regulate pressure for proper spraying flow rates. This relief valve has a 3/4 in. male NPT inlet connection and a 3/4 in. female NPT by-pass connection. The pressure relief valve is equipped with a 1/4 in. female NPT port for an optional pressure gauge.

Availability: In Stock -

This pressure regulating valve is constructed to use in agricultural spraying applications. This is an inline valve with a 3/4 in. male NPT inlet and a 3/4 in. female NPT outlet. The body of the diaphragm valve is constructed of nylon for chemical compatibility.

Built for performance, the diaphragm pressure relief valve can handle flow rates up to 70 gpm and pressures up to 300 PSI. The diaphragm is actuated by an adjusting screw with a handle for easier operation. The adjusting screw employs two stainless steel springs to operate the diaphragm assembly. The screw adjustment is held in place by a locking nut so your pressure will not fluctuate during operation.


  • Diaphragm pressure relief valve
  • Pressure regulating valve
  • Model 8460-3/4
  • Inlet: 3/4 in. male NPT
  • Outlet: 3/4 in. female NPT
  • Extra port for optional pressure gauge: 1/4 in. female NPT, pressure gauge not included
  • Use to obtain an ideal pressure for spraying crops
  • Max operating pressure: 300 PSI
  • Max flow rate: 70 gpm
  • Body construction: nylon
  • Bonnet construction: aluminum
  • Constructed to be chemically compatible with fertilizer and other agricultural spray chemicals
  • The adjusting screw assembly helps control the pressure
  • The adjustment assembly has a locking nut to prevent assembly from shifting.
We carry a wide selection of sprayer controls and valves here at Agri Supply®.

Brand: FIMCO

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Your satisfaction is our priority. If for any reason you are not satisfied with a purchase from Agri Supply, we will gladly refund your money, or exchange the item, or fix it should it break. A minimum one-year warranty applies to all non-perishable items, parts and service from Agri Supply, and all hand tools sold by Agri Supply have a lifetime warranty, regardless of the length of the manufacturer's warranty. See our Agri Supply Guarantee for more details.

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