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Cashco - Model 1164 -Back Pressure Relief Regulator
FromCashco Inc
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).
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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
- 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.

