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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    Set screw style threaded orifice inserts can be installed in fittings, manifolds or custom parts to establish flow rates of liquids or gases. Standard size orifices range from .10 mm to 1.60 mm.
Metric Threaded Inserts- M3, M4, M5, M6, M8, M10
Metric Threaded Inserts- M3, M4, M5, M6, M8, M10 - Line Drawing
Unit of Measure
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Part Number

Orifice Diameter

Material

CV

Screened

ZM-24-M4-5-SS N/A 0.61 mm N/A 316 SS N/A 0.013 N/A None
ZM-25-M4-5-SS N/A 0.63 mm N/A 316 SS N/A 0.014 N/A None
ZM-26-M4-5-SS N/A 0.66 mm N/A 316 SS N/A 0.016 N/A None
ZM-27-M4-5-SS N/A 0.69 mm N/A 316 SS N/A 0.017 N/A None
ZM-28-M4-5-SS N/A 0.71 mm N/A 316 SS N/A 0.018 N/A None
ZM-29-M4-5-SS N/A 0.74 mm N/A 316 SS N/A 0.019 N/A None
ZM-31-M4-5-SS N/A 0.79 mm N/A 316 SS N/A 0.022 N/A None
ZM-32-M4-5-SS N/A 0.81 mm N/A 316 SS N/A 0.024 N/A None
ZM-33-M4-5-SS N/A 0.84 mm N/A 316 SS N/A 0.025 N/A None
ZM-35-M4-5-SS N/A 0.89 mm N/A 316 SS N/A 0.028 N/A None
ZM-4-M5-6-SS N/A 0.1 mm N/A 316 SS N/A 0.00035 N/A None
ZM-5-M5-6-SS N/A 0.13 mm N/A 316 SS N/A 0.00061 N/A None
ZM-6-M5-6-SS N/A 0.15 mm N/A 316 SS N/A 0.00086 N/A None
ZM-7-M5-6-SS N/A 0.18 mm N/A 316 SS N/A 0.0012 N/A None
ZM-8-M5-6-SS N/A 0.2 mm N/A 316 SS N/A 0.0015 N/A None
ZM-9-M5-6-SS N/A 0.23 mm N/A 316 SS N/A 0.0019 N/A None
ZM-10-M5-6-SS N/A 0.26 mm N/A 316 SS N/A 0.0025 N/A None
ZM-11-M5-6-SS N/A 0.28 mm N/A 316 SS N/A 0.0028 N/A None
ZM-12-M5-6-SS N/A 0.31 mm N/A 316 SS N/A 0.0034 N/A None
ZM-13-M5-6-SS N/A 0.33 mm N/A 316 SS N/A 0.0038 N/A None
ZM-14-M5-6-SS N/A 0.36 mm N/A 316 SS N/A 0.0043 N/A None
ZM-15-M5-6-SS N/A 0.38 mm N/A 316 SS N/A 0.005 N/A None
ZM-16-M5-6-SS N/A 0.41 mm N/A 316 SS N/A 0.0055 N/A None
ZM-17-M5-6-SS N/A 0.43 mm N/A 316 SS N/A 0.0067 N/A None
ZM-18-M5-6-SS N/A 0.46 mm N/A 316 SS N/A 0.0073 N/A None
Unit of Measure
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