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    The fixed flow rate orifices contain a deformable opening which decreases in size as the pressure differential increases. The design of the unit compensates for pressure differential increase by reducing the area of the orifice resulting in constant flow over the differential pressure range 15-150 psig.
Fixed Flow Rate Orifices for Water, NPT Connections
Unit of Measure
Items Fixed Flow Rate Orifices for Water, NPT Connections
FFRO-2-00B0-N-CB-BN
Fixed Flow Rate Orifices for Water, NPT Connections
Fixed Flow Rate Orifices for Water, NPT Connections
FFRO-2-00B5-N-CB-BN
Fixed Flow Rate Orifices for Water, NPT Connections
Fixed Flow Rate Orifices for Water, NPT Connections
FFRO-2-00C0-N-CB-BN
Fixed Flow Rate Orifices for Water, NPT Connections
Fixed Flow Rate Orifices for Water, NPT Connections
FFRO-2-00D0-N-CB-BN
Fixed Flow Rate Orifices for Water, NPT Connections
Fixed Flow Rate Orifices for Water, NPT Connections
FFRO-2-00E0-N-CB-BN
Fixed Flow Rate Orifices for Water, NPT Connections
Material N/A Cast Brass
Inlet Type N/A NPT Female
Minimum Constant Flow Pressure N/A 15 psig
Maximum Constant Flow Pressure N/A 150 psig
Diaphragm Material N/A Buna-N
Accuracy N/A ±10 %
Minimum Temperature N/A 32 ºF
Maximum Temperature N/A 160 ºF
Flow N/A 0.20 gpm N/A 0.25 gpm N/A 0.30 gpm N/A 0.40 gpm N/A 0.50 gpm
Maximum Operating Pressure N/A 150 psig
Pipe Size N/A 1/4 in
Total Length N/A 2.00 in
Height N/A 1.17 in
Connection A N/A 1/4" NPT Female
Connection B N/A 1/4" NPT Female