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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    Checked orifices are a series arrangement of a precision orifice, a ball check valve and an optional screen. The all metal assemblies are made of brass or stainless steel. Gas or liquid can flow in one direction only, at a rate established by the metering orifice. Reverse pressure differential does not result in reverse flow. Standard sizes are 10-32, 1/8" NPT and 1/4" NPT. Custom requirements will be reviewed for large quantity applications.
Checked Orifices, Ball Type, Coupling
Check Valves, Ball Type - 10-32 UNF Connection; Coupling, Adapter - Line Drawing
Unit of Measure
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Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

DIFFERENTIAL CRACK PRESSURE

Screened

FIFLCS-43-2-BR N/A 0.043 in N/A Brass N/A 0.041 N/A 200 psig N/A 2 psig N/A Screened
FIFLCS-47-2-BR N/A 0.047 in N/A Brass N/A 0.048 N/A 200 psig N/A 2 psig N/A Screened
FIFLCS-52-2-BR N/A 0.052 in N/A Brass N/A 0.059 N/A 200 psig N/A 2 psig N/A Screened
FIFLCS-55-2-BR N/A 0.055 in N/A Brass N/A 0.068 N/A 200 psig N/A 2 psig N/A Screened
FIFLCS-60-2-BR N/A 0.06 in N/A Brass N/A 0.081 N/A 200 psig N/A 2 psig N/A Screened
FIFLCS-10-10-BR N/A 0.0102 in N/A Brass N/A 0.0025 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-11-10-BR N/A 0.011 in N/A Brass N/A 0.0028 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-12-10-BR N/A 0.0122 in N/A Brass N/A 0.0034 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-13-10-BR N/A 0.013 in N/A Brass N/A 0.0038 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-14-10-BR N/A 0.0142 in N/A Brass N/A 0.0043 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-15-10-BR N/A 0.015 in N/A Brass N/A 0.005 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-16-10-BR N/A 0.016 in N/A Brass N/A 0.0055 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-17-10-BR N/A 0.017 in N/A Brass N/A 0.0067 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-18-10-BR N/A 0.018 in N/A Brass N/A 0.0073 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-19-10-BR N/A 0.019 in N/A Brass N/A 0.008 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-20-10-BR N/A 0.02 in N/A Brass N/A 0.0088 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-21-10-BR N/A 0.021 in N/A Brass N/A 0.0096 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-22-10-BR N/A 0.022 in N/A Brass N/A 0.011 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-23-10-BR N/A 0.023 in N/A Brass N/A 0.012 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-24-10-BR N/A 0.024 in N/A Brass N/A 0.013 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-25-10-BR N/A 0.025 in N/A Brass N/A 0.014 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-26-10-BR N/A 0.026 in N/A Brass N/A 0.016 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-27-10-BR N/A 0.027 in N/A Brass N/A 0.017 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-28-10-BR N/A 0.028 in N/A Brass N/A 0.018 N/A 200 psig N/A 10 psig N/A Screened
FIFLCS-29-10-BR N/A 0.029 in N/A Brass N/A 0.019 N/A 200 psig N/A 10 psig N/A Screened
Unit of Measure
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