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
Items Checked Orifices, Threaded Insert
ZCR-10-0-10/32-BR-BN
Checked Orifices, Threaded Insert 		Checked Orifices, Threaded Insert
ZCR-11-0-10/32-BR-BN
Checked Orifices, Threaded Insert 		Checked Orifices, Threaded Insert
ZCR-12-0-10/32-BR-BN
Checked Orifices, Threaded Insert 		Checked Orifices, Threaded Insert
ZCR-13-0-10/32-BR-BN
Checked Orifices, Threaded Insert 		Checked Orifices, Threaded Insert
ZCR-14-0-10/32-BR-BN
Checked Orifices, Threaded Insert
Ball Material N/A Buna-N
Orifice Diameter N/A 0.01 in N/A 0.011 in N/A 0.012 in N/A 0.013 in N/A 0.014 in
Material N/A Brass
Nominal Orifice Size N/A 10 N/A 11 N/A 12 N/A 13 N/A 14
CV N/A 0.0025 N/A 0.0028 N/A 0.0034 N/A 0.0038 N/A 0.0043
Maximum Operating Pressure N/A 125 psig
Thread Size N/A 10-32
Maximum Temperature N/A 180 ºF
Nose Diameter N/A 0.125 in
Width Across Flats (Hex) N/A 3/32 in
Total Length N/A 0.425 in
Thread N/A Male
HEX Type N/A Internal
Thread Length N/A 0.320 in
Connection A N/A 10-32 UNF Threaded Insert
Screened N/A None