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

R4-94-SS N/A 0.0940 in N/A 316 SS N/A 0.200
R4-96-SS N/A 0.0960 in N/A 316 SS N/A 0.210
R4-100-SS N/A 0.1000 in N/A 316 SS N/A 0.230
R4-104-SS N/A 0.1040 in N/A 316 SS N/A 0.250
R4-109-SS N/A 0.1090 in N/A 316 SS N/A 0.270
R4-113-SS N/A 0.1130 in N/A 316 SS N/A 0.310
R4-120-SS N/A 0.1200 in N/A 316 SS N/A 0.340
R4-125-SS N/A 0.1250 in N/A 316 SS N/A 0.370
RG4-4-SS N/A 0.0039 in N/A 316 SS N/A 0.00035
RG4-5-SS N/A 0.0051 in N/A 316 SS N/A 0.00061
RG4-6-SS N/A 0.0059 in N/A 316 SS N/A 0.00086
RG4-7-SS N/A 0.0071 in N/A 316 SS N/A 0.0012
RG4-8-SS N/A 0.0079 in N/A 316 SS N/A 0.0015
RG4-9-SS N/A 0.0091 in N/A 316 SS N/A 0.0019
RG4-10-SS N/A 0.0102 in N/A 316 SS N/A 0.0025
RG4-11-SS N/A 0.011 in N/A 316 SS N/A 0.0028
RG4-12-SS N/A 0.0122 in N/A 316 SS N/A 0.0034
RG4-13-SS N/A 0.013 in N/A 316 SS N/A 0.0038
RG4-14-SS N/A 0.0142 in N/A 316 SS N/A 0.0043
RG4-15-SS N/A 0.015 in N/A 316 SS N/A 0.005
RG4-16-SS N/A 0.016 in N/A 316 SS N/A 0.0055
RG4-17-SS N/A 0.017 in N/A 316 SS N/A 0.0067
RG4-18-SS N/A 0.018 in N/A 316 SS N/A 0.0073
RG4-19-SS N/A 0.019 in N/A 316 SS N/A 0.008
RG4-20-SS N/A 0.02 in N/A 316 SS N/A 0.0088
Unit of Measure
1 2 3 4 5