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 NPT Connections
Precision Sapphire Orifices - NPT Connections - Line Drawing
Unit of Measure
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Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

Flow Data Status

Screened

Price

EA-40-BR N/A 0.0157 in N/A Brass N/A 0.0057 N/A 100 psig N/A Generic N/A None QUOTE
EA-44-BR N/A 0.0173 in N/A Brass N/A 0.0067 N/A 100 psig N/A Generic N/A None QUOTE
EA-48-BR N/A 0.0189 in N/A Brass N/A 0.008 N/A 100 psig N/A Generic N/A None QUOTE
EA-52-BR N/A 0.0205 in N/A Brass N/A 0.0091 N/A 100 psig N/A Generic N/A None QUOTE
EA-54-BR N/A 0.0213 in N/A Brass N/A 0.01 N/A 100 psig N/A Generic N/A None QUOTE
EA-58-BR N/A 0.0228 in N/A Brass N/A 0.011 N/A 100 psig N/A Generic N/A None QUOTE
EA-64-BR N/A 0.0252 in N/A Brass N/A 0.013 N/A 100 psig N/A Generic N/A None QUOTE
EA-3-SS N/A 0.0012 in N/A 303 SS N/A 0.00003 N/A 100 psig N/A Generic N/A None QUOTE
EA-4-SS N/A 0.0016 in N/A 303 SS N/A 0.000053 N/A 100 psig N/A Generic N/A None QUOTE
EA-5-SS N/A 0.002 in N/A 303 SS N/A 0.00009 N/A 100 psig N/A Generic N/A None QUOTE
EA-6-SS N/A 0.0024 in N/A 303 SS N/A 0.00012 N/A 100 psig N/A Generic N/A None QUOTE
EA-7-SS N/A 0.0028 in N/A 303 SS N/A 0.00017 N/A 100 psig N/A Generic N/A None QUOTE
EA-8-SS N/A 0.0031 in N/A 303 SS N/A 0.00022 N/A 100 psig N/A Generic N/A None QUOTE
EA-9-SS N/A 0.0035 in N/A 303 SS N/A 0.00028 N/A 100 psig N/A Generic N/A None QUOTE
EA-10-SS N/A 0.0039 in N/A 303 SS N/A 0.00035 N/A 100 psig N/A Generic N/A None QUOTE
EA-11-SS N/A 0.0043 in N/A 303 SS N/A 0.00042 N/A 100 psig N/A Generic N/A None QUOTE
EA-12-SS N/A 0.0047 in N/A 303 SS N/A 0.0005 N/A 100 psig N/A Generic N/A None QUOTE
EA-13-SS N/A 0.0051 in N/A 303 SS N/A 0.00061 N/A 100 psig N/A Generic N/A None QUOTE
EA-14-SS N/A 0.0055 in N/A 303 SS N/A 0.00071 N/A 100 psig N/A Generic N/A None QUOTE
EA-15-SS N/A 0.0059 in N/A 303 SS N/A 0.00084 N/A 100 psig N/A Generic N/A None QUOTE
EA-16-SS N/A 0.0063 in N/A 303 SS N/A 0.00094 N/A 100 psig N/A Generic N/A None QUOTE
EA-17-SS N/A 0.0067 in N/A 303 SS N/A 0.0011 N/A 100 psig N/A Generic N/A None QUOTE
EA-18-SS N/A 0.0071 in N/A 303 SS N/A 0.0012 N/A 100 psig N/A Generic N/A None QUOTE
EA-20-SS N/A 0.0079 in N/A 303 SS N/A 0.0015 N/A 100 psig N/A Generic N/A None QUOTE
EA-22-SS N/A 0.0087 in N/A 303 SS N/A 0.0018 N/A 100 psig N/A Generic N/A None QUOTE
Unit of Measure
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