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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    These checked orifices consist of a precision orifice in series with a ball check valve. The flow rate of the restricted flow is set by the orifice size. Reverse flow is checked by the ball. The assembly provides a selectable flow rate in one direction and checked flow in the opposite direction.
Checked Orifices, Threaded Insert
Check Valves; Threaded insert, Threaded insert with nose seal - Line Drawing
Unit of Measure
1 2 3 4 

Part Number

Orifice Diameter

Material

CV

THREAD

Screened

ZCR-22-0-10/32-SS-SS N/A 0.023 in N/A 303 SS N/A 0.011 N/A 10-32 N/A None
ZCR-23-0-10/32-SS-SS N/A 0.024 in N/A 303 SS N/A 0.012 N/A 10-32 N/A None
ZCR-24-0-10/32-SS-SS N/A 0.025 in N/A 303 SS N/A 0.013 N/A 10-32 N/A None
ZCR-25-0-10/32-SS-SS N/A 0.026 in N/A 303 SS N/A 0.014 N/A 10-32 N/A None
ZCR-26-0-10/32-SS-SS N/A 0.027 in N/A 303 SS N/A 0.016 N/A 10-32 N/A None
ZCR-27-0-10/32-SS-SS N/A 0.028 in N/A 303 SS N/A 0.017 N/A 10-32 N/A None
ZCR-28-0-10/32-SS-SS N/A 0.029 in N/A 303 SS N/A 0.018 N/A 10-32 N/A None
ZCR-29-0-10/32-SS-SS N/A 0.02 in N/A 303 SS N/A 0.019 N/A 10-32 N/A None
ZCR-30-0-10/32-SS-SS N/A 0.030 in N/A 303 SS N/A 0.02 N/A 10-32 N/A None
Unit of Measure
1 2 3 4