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 the process industry. Press-fit inserts are used with standard compression tube fittings to form a precision orifice assembly. The fittings shown here are for 1/4" OD tubing, or 3/16" OD tubing.
Precision Metal Orifices Compression Fittings, Tube Adapter
Precision Metal Orifices - Compression Fittings, Tube Adapter - Line Drawing
Unit of Measure
1 2 

Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

Maximum Pressure Differential

Screened

IC-400R4-4-SS N/A 0.0039 in N/A 316 SS N/A 0.00035 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-5-SS N/A 0.0051 in N/A 316 SS N/A 0.00061 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-6-SS N/A 0.0059 in N/A 316 SS N/A 0.00086 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-7-SS N/A 0.0071 in N/A 316 SS N/A 0.0012 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-8-SS N/A 0.0079 in N/A 316 SS N/A 0.0015 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-9-SS N/A 0.0091 in N/A 316 SS N/A 0.0019 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-10-SS N/A 0.0102 in N/A 316 SS N/A 0.0025 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-11-SS N/A 0.011 in N/A 316 SS N/A 0.0028 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-12-SS N/A 0.0122 in N/A 316 SS N/A 0.0034 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-13-SS N/A 0.013 in N/A 316 SS N/A 0.0038 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-14-SS N/A 0.0142 in N/A 316 SS N/A 0.0043 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-15-SS N/A 0.015 in N/A 316 SS N/A 0.005 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-16-SS N/A 0.016 in N/A 316 SS N/A 0.0055 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-17-SS N/A 0.017 in N/A 316 SS N/A 0.0067 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-18-SS N/A 0.018 in N/A 316 SS N/A 0.0073 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-19-SS N/A 0.019 in N/A 316 SS N/A 0.008 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-20-SS N/A 0.02 in N/A 316 SS N/A 0.0088 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-21-SS N/A 0.021 in N/A 316 SS N/A 0.0096 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-22-SS N/A 0.022 in N/A 316 SS N/A 0.011 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-23-SS N/A 0.023 in N/A 316 SS N/A 0.012 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-24-SS N/A 0.024 in N/A 316 SS N/A 0.013 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-25-SS N/A 0.025 in N/A 316 SS N/A 0.014 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-26-SS N/A 0.026 in N/A 316 SS N/A 0.016 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-27-SS N/A 0.027 in N/A 316 SS N/A 0.017 N/A 4000 psig N/A 200 psid N/A None
IC-400R4-28-SS N/A 0.028 in N/A 316 SS N/A 0.018 N/A 4000 psig N/A 200 psid N/A None
Unit of Measure
1 2