O’Keefe Controls Co.
O’Keefe Controls Co.
4 Maple Drive
Monroe, CT 06468
Phone: 203.261.6711
Email: info@okeefecontrols.com • Website: www.okeefecontrols.com
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    Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems are shown. Types K4, R4 and RG4 are used with nominal 1/4" tube fittings. Type BFS is for 45° flare fittings and Type CFJ is for 37° flare fittings. Type OD is a pipe adapter.
Precision Metal Orifices VCR Gaskets
Precision Metal Orifices - VCR Gaskets - Line Drawing
Unit of Measure
1 2 3 4 5 

Part Number

Orifice Diameter

Material

CV

RG4-67-SS N/A 0.0670 in N/A 316 SS N/A 0.100
RG4-70-SS N/A 0.0700 in N/A 316 SS N/A 0.110
RG4-73-SS N/A 0.0730 in N/A 316 SS N/A 0.120
RG4-76-SS N/A 0.0760 in N/A 316 SS N/A 0.130
RG4-79-SS N/A 0.0790 in N/A 316 SS N/A 0.140
RG4-81-SS N/A 0.0810 in N/A 316 SS N/A 0.150
RG4-86-SS N/A 0.0860 in N/A 316 SS N/A 0.170
RG4-89-SS N/A 0.0890 in N/A 316 SS N/A 0.180
RG4-94-SS N/A 0.0940 in N/A 316 SS N/A 0.200
RG4-96-SS N/A 0.0960 in N/A 316 SS N/A 0.210
RG4-100-SS N/A 0.1000 in N/A 316 SS N/A 0.230
RG4-104-SS N/A 0.1040 in N/A 316 SS N/A 0.250
RG4-109-SS N/A 0.1090 in N/A 316 SS N/A 0.270
RG4-113-SS N/A 0.1130 in N/A 316 SS N/A 0.310
RG4-120-SS N/A 0.1200 in N/A 316 SS N/A 0.340
RG4-125-SS N/A 0.1250 in N/A 316 SS N/A 0.370
Unit of Measure
1 2 3 4 5