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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    This type precision orifice includes an o-ring for sealing against a flat surface. The set screw style can be installed in fittings, manifolds and custom parts for accurate flow rate control of liquids or gases.
Inch Threaded Inserts, Nose Seals, 6-32 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC
Inch Threaded Inserts, Nose Seals, 6-32 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC - Line Drawing
Unit of Measure
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Part Number

Orifice Diameter

Material

CV

Maximum Fitting PRESSURE

Screened

ZNS-13-1/4/20-BR-V N/A 0.013 in N/A Brass N/A 0.0038 N/A 200 psig N/A None
ZNS-14-1/4/20-BR-V N/A 0.0142 in N/A Brass N/A 0.0043 N/A 200 psig N/A None
ZNS-15-1/4/20-BR-V N/A 0.015 in N/A Brass N/A 0.005 N/A 200 psig N/A None
ZNS-16-1/4/20-BR-V N/A 0.016 in N/A Brass N/A 0.0055 N/A 200 psig N/A None
ZNS-17-1/4/20-BR-V N/A 0.017 in N/A Brass N/A 0.0067 N/A 200 psig N/A None
ZNS-18-1/4/20-BR-V N/A 0.018 in N/A Brass N/A 0.0073 N/A 200 psig N/A None
ZNS-19-1/4/20-BR-V N/A 0.019 in N/A Brass N/A 0.008 N/A 200 psig N/A None
ZNS-20-1/4/20-BR-V N/A 0.02 in N/A Brass N/A 0.0088 N/A 200 psig N/A None
ZNS-21-1/4/20-BR-V N/A 0.021 in N/A Brass N/A 0.0096 N/A 200 psig N/A None
ZNS-22-1/4/20-BR-V N/A 0.022 in N/A Brass N/A 0.011 N/A 200 psig N/A None
ZNS-23-1/4/20-BR-V N/A 0.023 in N/A Brass N/A 0.012 N/A 200 psig N/A None
ZNS-24-1/4/20-BR-V N/A 0.024 in N/A Brass N/A 0.013 N/A 200 psig N/A None
ZNS-25-1/4/20-BR-V N/A 0.025 in N/A Brass N/A 0.014 N/A 200 psig N/A None
ZNS-26-1/4/20-BR-V N/A 0.026 in N/A Brass N/A 0.016 N/A 200 psig N/A None
ZNS-27-1/4/20-BR-V N/A 0.027 in N/A Brass N/A 0.017 N/A 200 psig N/A None
ZNS-28-1/4/20-BR-V N/A 0.028 in N/A Brass N/A 0.018 N/A 200 psig N/A None
ZNS-29-1/4/20-BR-V N/A 0.029 in N/A Brass N/A 0.019 N/A 200 psig N/A None
ZNS-31-1/4/20-BR-V N/A 0.031 in N/A Brass N/A 0.022 N/A 200 psig N/A None
ZNS-32-1/4/20-BR-V N/A 0.032 in N/A Brass N/A 0.024 N/A 200 psig N/A None
ZNS-33-1/4/20-BR-V N/A 0.033 in N/A Brass N/A 0.025 N/A 200 psig N/A None
ZNS-35-1/4/20-BR-V N/A 0.035 in N/A Brass N/A 0.028 N/A 200 psig N/A None
ZNS-37-1/4/20-BR-V N/A 0.037 in N/A Brass N/A 0.031 N/A 200 psig N/A None
ZNS-38-1/4/20-BR-V N/A 0.038 in N/A Brass N/A 0.032 N/A 200 psig N/A None
ZNS-39-1/4/20-BR-V N/A 0.039 in N/A Brass N/A 0.033 N/A 200 psig N/A None
ZNS-40-1/4/20-BR-V N/A 0.04 in N/A Brass N/A 0.036 N/A 200 psig N/A None
Unit of Measure
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