Model 1164

SKU#:

Model 1164

Description

The Model 1164 is a relief regulator suitable as a back pressure or bypass requlator for controlling inlet pressure between 5 and 150 psig (0.34-10.3 Barg). Available in sizes 3/4", 1", 1-1/2" and 2" (DN20, 25, 40, and 50).

Inlet Design Pressure

  • Up to 225 psig (15.5 Barg)

Outlet Pressure

  • 5 psig (0.34 Barg) to 150 psig (10.3 Barg)

Line Sizes

  • 3/4" (DN20)
  • 1" (DN25)
  • 1-1/2" (DN40)
  • 2" (DN50)

End Connections

  • NPT female

Material Combinations: Body / Spring Chamber

  • DI/CI,
  • CS/CS,
  • CS/CI,
  • BRZ/BRZ*
  • BRZ/CI *

CI = Cast grey iron
DI = Ductile iron
CS = Cast carbon steel
BRZ = Cast bronze

Features

  • Versatile: Three body materials and six trim material combinations allow compatibility with many fluids.
  • High Capacity: A large orifice and diaphragm provide sensitivity with high capacity.
  • Tight Shut Off: A TFE composition seat is available.
  • Sensitivity: A large diaphragm area plus no guiding friction assures positive reaction to the slightest change in pressure.
More Information
Service Gases, Liquids, Steam
Line Size 3/4" (DN20), 1" (DN25), 1.5" (DN40), 2" (DN50)
End Connections BSPP Parallel Threaded
Process Applications Pump By-Pass
Body Material Carbon Steel, Cast Iron, Ductile Iron, Bronze
CV Tables
MODEL SIZE MAX CV MAX WORKING C V MIN CV SOFT SEAT MIN CV METAL SEAT FL FACTOR C1 MAX         Cg
1164 3/4" 7.95 7.95 0.159 0.2385 0.945 34.44 274
1164 1.0" 7.95 7.95 0.159 0.2385 0.945 34.44 274
1164 1.5" 15.7 15.7 0.314 0.471 0.945 34.44 541
1164 2.0" 15.7 15.7 0.314 0.471 0.945 34.44 541
1164-TB (530.09 kB)
1164_IOM (208.77 kB)