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 NPT thread
Precision Sapphire Orifices - Barb x NPT thread - Line Drawing
Unit of Measure
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Item #

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

Screened

BTF-40-SS N/A 0.0157 in N/A 303 SS N/A N/A 100 psig N/A None
BTF-44-SS N/A 0.0173 in N/A 303 SS N/A N/A 100 psig N/A None
BTF-48-SS N/A 0.0189 in N/A 303 SS N/A N/A 100 psig N/A None
BTF-52-SS N/A 0.0205 in N/A 303 SS N/A N/A 100 psig N/A None
BTF-54-SS N/A 0.0213 in N/A 303 SS N/A N/A 100 psig N/A None
BTF-58-SS N/A 0.0228 in N/A 303 SS N/A N/A 100 psig N/A None
BTF-64-SS N/A 0.0252 in N/A 303 SS N/A N/A 100 psig N/A None
BTF-3-BR N/A 0.0012 in N/A Brass N/A N/A 100 psig N/A None
BTF-4-BR N/A 0.0016 in N/A Brass N/A N/A 100 psig N/A None
BTF-5-BR N/A 0.002 in N/A Brass N/A N/A 100 psig N/A None
BTF-6-BR N/A 0.0024 in N/A Brass N/A N/A 100 psig N/A None
BTF-7-BR N/A 0.0028 in N/A Brass N/A N/A 100 psig N/A None
BTF-8-BR N/A 0.0031 in N/A Brass N/A N/A 100 psig N/A None
BTF-9-BR N/A 0.0035 in N/A Brass N/A N/A 100 psig N/A None
BTF-10-BR N/A 0.0039 in N/A Brass N/A N/A 100 psig N/A None
BTF-11-BR N/A 0.0043 in N/A Brass N/A N/A 100 psig N/A None
BTF-12-BR N/A 0.0047 in N/A Brass N/A N/A 100 psig N/A None
BTF-13-BR N/A 0.0051 in N/A Brass N/A N/A 100 psig N/A None
BTF-14-BR N/A 0.0055 in N/A Brass N/A N/A 100 psig N/A None
BTF-15-BR N/A 0.0059 in N/A Brass N/A N/A 100 psig N/A None
BTF-16-BR N/A 0.0063 in N/A Brass N/A N/A 100 psig N/A None
BTF-17-BR N/A 0.0067 in N/A Brass N/A N/A 100 psig N/A None
BTF-18-BR N/A 0.0071 in N/A Brass N/A N/A 100 psig N/A None
BTF-20-BR N/A 0.0079 in N/A Brass N/A N/A 100 psig N/A None
BTF-22-BR N/A 0.0087 in N/A Brass N/A N/A 100 psig N/A None
Unit of Measure
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