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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    The restrictors incorporate a precision synthetic sapphire orifice which is fitted within a main body. The sapphire orifice is a stable, accurate flow restrictor. Standard sizes range from .0012" to .0252" orifice diameter in 32 increments.
Precision Sapphire Orifices Compression Connections
Precision Sapphire Orifices - Compression Connections - Line Drawing
Unit of Measure
1 2 

Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

Screened

A-MC4-3-SS N/A 0.0012 in N/A 316 SS N/A 0.00003 N/A 100 psig N/A None
A-MC4-4-SS N/A 0.0016 in N/A 316 SS N/A 0.000053 N/A 100 psig N/A None
A-MC4-5-SS N/A 0.002 in N/A 316 SS N/A 0.00009 N/A 100 psig N/A None
A-MC4-6-SS N/A 0.0024 in N/A 316 SS N/A 0.00012 N/A 100 psig N/A None
A-MC4-7-SS N/A 0.0028 in N/A 316 SS N/A 0.00017 N/A 100 psig N/A None
A-MC4-8-SS N/A 0.0031 in N/A 316 SS N/A 0.00022 N/A 100 psig N/A None
A-MC4-9-SS N/A 0.0035 in N/A 316 SS N/A 0.00028 N/A 100 psig N/A None
A-MC4-10-SS N/A 0.0039 in N/A 316 SS N/A 0.00035 N/A 100 psig N/A None
A-MC4-11-SS N/A 0.0043 in N/A 316 SS N/A 0.00042 N/A 100 psig N/A None
A-MC4-12-SS N/A 0.0047 in N/A 316 SS N/A 0.0005 N/A 100 psig N/A None
A-MC4-13-SS N/A 0.0051 in N/A 316 SS N/A 0.00061 N/A 100 psig N/A None
A-MC4-14-SS N/A 0.0055 in N/A 316 SS N/A 0.00071 N/A 100 psig N/A None
A-MC4-15-SS N/A 0.0059 in N/A 316 SS N/A 0.00084 N/A 100 psig N/A None
A-MC4-16-SS N/A 0.0063 in N/A 316 SS N/A 0.00094 N/A 100 psig N/A None
A-MC4-17-SS N/A 0.0067 in N/A 316 SS N/A 0.0011 N/A 100 psig N/A None
A-MC4-18-SS N/A 0.0071 in N/A 316 SS N/A 0.0012 N/A 100 psig N/A None
A-MC4-20-SS N/A 0.0079 in N/A 316 SS N/A 0.0015 N/A 100 psig N/A None
A-MC4-22-SS N/A 0.0087 in N/A 316 SS N/A 0.0018 N/A 100 psig N/A None
A-MC4-24-SS N/A 0.0094 in N/A 316 SS N/A 0.0021 N/A 100 psig N/A None
A-MC4-26-SS N/A 0.0102 in N/A 316 SS N/A 0.0024 N/A 100 psig N/A None
A-MC4-28-SS N/A 0.011 in N/A 316 SS N/A 0.0028 N/A 100 psig N/A None
A-MC4-30-SS N/A 0.0118 in N/A 316 SS N/A 0.0032 N/A 100 psig N/A None
A-MC4-32-SS N/A 0.0126 in N/A 316 SS N/A 0.0036 N/A 100 psig N/A None
A-MC4-34-SS N/A 0.0134 in N/A 316 SS N/A 0.004 N/A 100 psig N/A None
A-MC4-36-SS N/A 0.0142 in N/A 316 SS N/A 0.0046 N/A 100 psig N/A None
Unit of Measure
1 2