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
Check Valves, Ball Type - NPT Connection; NPT Nipple, NPT Adapter - Line Drawing
Unit of Measure
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Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

DIFFERENTIAL CRACK PRESSURE

Screened

BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-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 None
BIFLC-31-10-BR N/A 0.031 in N/A Brass N/A 0.022 N/A 200 psig N/A 10 psig N/A None
BIFLC-32-10-BR N/A 0.032 in N/A Brass N/A 0.024 N/A 200 psig N/A 10 psig N/A None
BIFLC-33-10-BR N/A 0.033 in N/A Brass N/A 0.025 N/A 200 psig N/A 10 psig N/A None
BIFLC-35-10-BR N/A 0.035 in N/A Brass N/A 0.028 N/A 200 psig N/A 10 psig N/A None
BIFLC-37-10-BR N/A 0.037 in N/A Brass N/A 0.031 N/A 200 psig N/A 10 psig N/A None
BIFLC-38-10-BR N/A 0.038 in N/A Brass N/A 0.032 N/A 200 psig N/A 10 psig N/A None
BIFLC-39-10-BR N/A 0.039 in N/A Brass N/A 0.033 N/A 200 psig N/A 10 psig N/A None
BIFLC-40-10-BR N/A 0.04 in N/A Brass N/A 0.036 N/A 200 psig N/A 10 psig N/A None
BIFLC-41-10-BR N/A 0.041 in N/A Brass N/A 0.038 N/A 200 psig N/A 10 psig N/A None
BIFLC-42-10-BR N/A 0.042 in N/A Brass N/A 0.039 N/A 200 psig N/A 10 psig N/A None
Unit of Measure
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