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

EIJLC-63-2-BR N/A 0.063 in N/A Brass N/A 0.088 N/A 200 psig N/A 2 psig N/A None
EIJLC-67-2-BR N/A 0.0670 in N/A Brass N/A 0.100 N/A 200 psig N/A 2 psig N/A None
EIJLC-70-2-BR N/A 0.0700 in N/A Brass N/A 0.110 N/A 200 psig N/A 2 psig N/A None
EIJLC-73-2-BR N/A 0.0730 in N/A Brass N/A 0.120 N/A 200 psig N/A 2 psig N/A None
EIJLC-76-2-BR N/A 0.0760 in N/A Brass N/A 0.130 N/A 200 psig N/A 2 psig N/A None
EIJLC-79-2-BR N/A 0.0790 in N/A Brass N/A 0.140 N/A 200 psig N/A 2 psig N/A None
EIJLC-81-2-BR N/A 0.0810 in N/A Brass N/A 0.150 N/A 200 psig N/A 2 psig N/A None
EIJLC-86-2-BR N/A 0.0860 in N/A Brass N/A 0.170 N/A 200 psig N/A 2 psig N/A None
EIJLC-89-2-BR N/A 0.0890 in N/A Brass N/A 0.180 N/A 200 psig N/A 2 psig N/A None
EIJLC-94-2-BR N/A 0.0940 in N/A Brass N/A 0.200 N/A 200 psig N/A 2 psig N/A None
EIJLC-10-15-BR N/A 0.0102 in N/A Brass N/A 0.0025 N/A 200 psig N/A 15 psig N/A None
EIJLC-11-15-BR N/A 0.011 in N/A Brass N/A 0.0028 N/A 200 psig N/A 15 psig N/A None
EIJLC-12-15-BR N/A 0.0122 in N/A Brass N/A 0.0034 N/A 200 psig N/A 15 psig N/A None
EIJLC-13-15-BR N/A 0.013 in N/A Brass N/A 0.0038 N/A 200 psig N/A 15 psig N/A None
EIJLC-14-15-BR N/A 0.0142 in N/A Brass N/A 0.0043 N/A 200 psig N/A 15 psig N/A None
EIJLC-15-15-BR N/A 0.015 in N/A Brass N/A 0.005 N/A 200 psig N/A 15 psig N/A None
EIJLC-16-15-BR N/A 0.016 in N/A Brass N/A 0.0055 N/A 200 psig N/A 15 psig N/A None
EIJLC-17-15-BR N/A 0.017 in N/A Brass N/A 0.0067 N/A 200 psig N/A 15 psig N/A None
EIJLC-18-15-BR N/A 0.018 in N/A Brass N/A 0.0073 N/A 200 psig N/A 15 psig N/A None
EIJLC-19-15-BR N/A 0.019 in N/A Brass N/A 0.008 N/A 200 psig N/A 15 psig N/A None
EIJLC-20-15-BR N/A 0.02 in N/A Brass N/A 0.0088 N/A 200 psig N/A 15 psig N/A None
EIJLC-21-15-BR N/A 0.021 in N/A Brass N/A 0.0096 N/A 200 psig N/A 15 psig N/A None
EIJLC-22-15-BR N/A 0.022 in N/A Brass N/A 0.011 N/A 200 psig N/A 15 psig N/A None
EIJLC-23-15-BR N/A 0.023 in N/A Brass N/A 0.012 N/A 200 psig N/A 15 psig N/A None
EIJLC-24-15-BR N/A 0.024 in N/A Brass N/A 0.013 N/A 200 psig N/A 15 psig N/A None
Unit of Measure
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