Brass Restricting Disc
Brass Restricting DiscBrass Restricting Disc

Share this page

Brass Restricting Disc

Model Number:  2770 and 2771
Product Function:
Used to reduce water pressure at hose line by restricting flow. Brass disc with orifice size as ordered.
Product Details
  • Material:  Brass
  • Size:  1.5" , 2.5"
Related Model Numbers
  • 2770 - For 1.5" Rack Assemby
  • 2771 - For 2.5 x 1.5" Rack Assembly
2770 and 2771
A = 0.0425 A2 = Orifice Size in Square Inches Q = Flow in GPM P1 = Inlet Pressure P2 = Required Outlet Pres­sure .0425 x GPM/lpm divided by square root of difference between inlet pressure and required outlet pressure results in orifice size, in square inches.