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, NPT x Tube
Precision Metal Orifices - Compression Fittings, NPT x Tube - Line Drawing
Unit of Measure
Items Precision Metal Orifices Compression Fittings, NPT x Tube
IC-MC4-4-SS
Compression Fittings - Tube Adapter, Type IC-MC4 		Precision Metal Orifices Compression Fittings, NPT x Tube
IC-MC4-5-SS
Compression Fittings - Tube Adapter, Type IC-MC4 		Precision Metal Orifices Compression Fittings, NPT x Tube
IC-MC4-6-SS
Compression Fittings - Tube Adapter, Type IC-MC4 		Precision Metal Orifices Compression Fittings, NPT x Tube
IC-MC4-7-SS
Compression Fittings - Tube Adapter, Type IC-MC4 		Precision Metal Orifices Compression Fittings, NPT x Tube
IC-MC4-8-SS
Compression Fittings - Tube Adapter, Type IC-MC4
Orifice Diameter N/A 0.0039 in N/A 0.0051 in N/A 0.0059 in N/A 0.0071 in N/A 0.0079 in
Material N/A 316 SS
Nominal Orifice Size N/A 4 N/A 5 N/A 6 N/A 7 N/A 8
CV N/A 0.00035 N/A 0.00061 N/A 0.00086 N/A 0.0012 N/A 0.0015
Orifice Diameter Accuracy N/A ±0.0005 in
Maximum Operating Pressure N/A 4000 psig
Width Across Flats (Hex) N/A 9/16 in
Total Length N/A 1.48 in
Width Across Flats (Hex) 2 N/A 9/16 in
Maximum Pressure Differential N/A 200 psid
Connection A N/A 1/4" NPT Male
Connection B N/A 1/4" OD Tube Compression
Screened N/A None