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 Barb x 10-32
Precision Sapphire Orifices - Barb x 10-32 - Line Drawing
Unit of Measure
1 2 

Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

Screened

L-40-BR N/A 0.0157 in N/A Brass N/A 0.0057 N/A 100 psig N/A None
L-44-BR N/A 0.0173 in N/A Brass N/A 0.0067 N/A 100 psig N/A None
L-48-BR N/A 0.0189 in N/A Brass N/A 0.008 N/A 100 psig N/A None
L-52-BR N/A 0.0205 in N/A Brass N/A 0.0091 N/A 100 psig N/A None
L-54-BR N/A 0.0213 in N/A Brass N/A 0.01 N/A 100 psig N/A None
L-58-BR N/A 0.0228 in N/A Brass N/A 0.011 N/A 100 psig N/A None
L-64-BR N/A 0.0252 in N/A Brass N/A 0.013 N/A 100 psig N/A None
Unit of Measure
1 2