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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    Disk type check valves are available in both brass and stainless steel and are suitable for use with liquids or gases. Free flow occurs in one direction only; reverse flow is prevented.
Check Valves, Disk Type NPT Connection; NPT Adapter, NPT Coupling
Check Valves, Disk Type - NPT Connection; NPT Adapter, NPT Coupling - Line Drawing
Unit of Measure
1 

Part Number

Body Material

Disk Material

CV

Maximum Operating Pressure

Connection A

Connection B

DOC-0-BR-BR N/A Brass N/A Brass N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Male
DOC-0-BR-DE N/A Brass N/A Delrin N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Male
DOC-0-SS-SS N/A 303 SS N/A 303 SS N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Male
DOC-0-SS-DE N/A 303 SS N/A Delrin N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Male
GOC-0-BR-BR N/A Brass N/A Brass N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Male
GOC-0-BR-DE N/A Brass N/A Delrin N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Male
GOC-0-SS-SS N/A 303 SS N/A 303 SS N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Male
GOC-0-SS-DE N/A 303 SS N/A Delrin N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Male
Y2C-0-BR-BR N/A Brass N/A Brass N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Female
Y2C-0-BR-DE N/A Brass N/A Delrin N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Female
Y2C-0-SS-SS N/A 303 SS N/A 303 SS N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Female
Y2C-0-SS-DE N/A 303 SS N/A Delrin N/A 0.43 N/A 150 psig N/A 1/8" NPT Female N/A 1/8" NPT Female
Y4C-0-BR-BR N/A Brass N/A Brass N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Female
Y4C-0-BR-DE N/A Brass N/A Delrin N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Female
Y4C-0-SS-SS N/A 303 SS N/A 303 SS N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Female
Y4C-0-SS-DE N/A 303 SS N/A Delrin N/A 0.61 N/A 150 psig N/A 1/4" NPT Female N/A 1/4" NPT Female
Y6C-0-BR-BR N/A Brass N/A Brass N/A 1.09 N/A 150 psig N/A 3/8" NPT Female N/A 3/8" NPT Female
Y6C-0-BR-DE N/A Brass N/A Delrin N/A 1.09 N/A 150 psig N/A 3/8" NPT Female N/A 3/8" NPT Female
Y6C-0-SS-SS N/A 303 SS N/A 303 SS N/A 1.09 N/A 150 psig N/A 3/8" NPT Female N/A 3/8" NPT Female
Y6C-0-SS-DE N/A 303 SS N/A Delrin N/A 1.09 N/A 150 psig N/A 3/8" NPT Female N/A 3/8" NPT Female
Unit of Measure
1