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-40-10/32-SS-V N/A 0.04 in N/A 303 SS N/A 0.036 N/A 200 psig N/A None
ZNS-41-10/32-SS-V N/A 0.041 in N/A 303 SS N/A 0.038 N/A 200 psig N/A None
ZNS-42-10/32-SS-V N/A 0.042 in N/A 303 SS N/A 0.039 N/A 200 psig N/A None
ZNS-43-10/32-SS-V N/A 0.043 in N/A 303 SS N/A 0.041 N/A 200 psig N/A None
ZNS-47-10/32-SS-V N/A 0.047 in N/A 303 SS N/A 0.048 N/A 200 psig N/A None
ZNS-52-10/32-SS-V N/A 0.052 in N/A 303 SS N/A 0.059 N/A 200 psig N/A None
ZNS-4-1/4/20-SS-V N/A 0.0039 in N/A 303 SS N/A 0.00035 N/A 200 psig N/A None
ZNS-5-1/4/20-SS-V N/A 0.0051 in N/A 303 SS N/A 0.00061 N/A 200 psig N/A None
ZNS-6-1/4/20-SS-V N/A 0.0059 in N/A 303 SS N/A 0.00086 N/A 200 psig N/A None
ZNS-7-1/4/20-SS-V N/A 0.0071 in N/A 303 SS N/A 0.0012 N/A 200 psig N/A None
ZNS-8-1/4/20-SS-V N/A 0.0079 in N/A 303 SS N/A 0.0015 N/A 200 psig N/A None
ZNS-9-1/4/20-SS-V N/A 0.0091 in N/A 303 SS N/A 0.0019 N/A 200 psig N/A None
ZNS-10-1/4/20-SS-V N/A 0.0102 in N/A 303 SS N/A 0.0025 N/A 200 psig N/A None
ZNS-11-1/4/20-SS-V N/A 0.011 in N/A 303 SS N/A 0.0028 N/A 200 psig N/A None
ZNS-12-1/4/20-SS-V N/A 0.0122 in N/A 303 SS N/A 0.0034 N/A 200 psig N/A None
ZNS-13-1/4/20-SS-V N/A 0.013 in N/A 303 SS N/A 0.0038 N/A 200 psig N/A None
ZNS-14-1/4/20-SS-V N/A 0.0142 in N/A 303 SS N/A 0.0043 N/A 200 psig N/A None
ZNS-15-1/4/20-SS-V N/A 0.015 in N/A 303 SS N/A 0.005 N/A 200 psig N/A None
ZNS-16-1/4/20-SS-V N/A 0.016 in N/A 303 SS N/A 0.0055 N/A 200 psig N/A None
ZNS-17-1/4/20-SS-V N/A 0.017 in N/A 303 SS N/A 0.0067 N/A 200 psig N/A None
ZNS-18-1/4/20-SS-V N/A 0.018 in N/A 303 SS N/A 0.0073 N/A 200 psig N/A None
ZNS-19-1/4/20-SS-V N/A 0.019 in N/A 303 SS N/A 0.008 N/A 200 psig N/A None
ZNS-20-1/4/20-SS-V N/A 0.02 in N/A 303 SS N/A 0.0088 N/A 200 psig N/A None
ZNS-21-1/4/20-SS-V N/A 0.021 in N/A 303 SS N/A 0.0096 N/A 200 psig N/A None
ZNS-22-1/4/20-SS-V N/A 0.022 in N/A 303 SS N/A 0.011 N/A 200 psig N/A None
Unit of Measure
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