O'Keefe Controls Co. › Check Valves › Threaded Insert Check Valves, Ball Type: Metal to Metal seat, Metal to Elastomeric seat
O'Keefe Controls Co.
By O'Keefe Controls Co.

Check Valves; Threaded insert, Threaded insert with nose seal

Manufacturer O'Keefe Controls Co.
Description Check Valves; Threaded insert, Threaded insert with nose seal
Manufacturer Part Number ZMNBCR-28-0-M6-SS-V
Part Number Page https://catalog.okeefecontrols.com/item/threaded-insert-ball-valves/ves-threaded-insert-threaded-insert-with-nose-seal/zmnbcr-28-0-m6-ss-v-25
Material 303 SS
Maximum Operating Pressure [psig]
Connection A M6 Threaded Insert O-Ring seal
Screened None
Seal Material Nitrile
Width Across Flats (Hex) [in]
Total Length [in]
Orifice Diameter [in] 0.028
Maximum Temperature [ºF] 120
CV 0.018
Thread Size M6
Ball Material Fluorocarbon
Seat Leakage 6 SCCM (max.) air flow at greater than 50 psi differential
Orifice Diameter [mm] 0.71
Nominal Orifice Size 28
Width Across Flats (Hex) [mm] 3
Total Length [mm] 12.7
Nose Diameter [in]
Nose Diameter [mm] 4.45
Thread Male
HEX Type Internal
Thread Length [in]
Maximum Operating Pressure [kPa] 875
CAD models
Request for quotation
Please make sure this software has been installed.

Product selection

Manufacturer Part NumberDescriptionMaterialMaximum Operating Pressure [psig]ScreenedCVThread
ZC-31-0-10/32-BR-BNCheck Valves; Threaded insert, Threaded insert with nose sealBrass125None0.02Male
ZC-31-0-10/32-BR-SSCheck Valves; Threaded insert, Threaded insert with nose sealBrass500None0.02Male
ZC-31-0-10/32-SS-BNCheck Valves; Threaded insert, Threaded insert with nose seal303 SS125None0.02Male
ZC-31-0-10/32-SS-SSCheck Valves; Threaded insert, Threaded insert with nose seal303 SS1000None0.02Male
ZMC-20-0-M3.5-BR-SSCheck Valves; Threaded insert, Threaded insert with nose sealBrass None0.0088Male
ZMC-20-0-M3.5-SS-SSCheck Valves; Threaded insert, Threaded insert with nose seal303 SS None0.0088Male
ZMC-31-0-M5-BR-SSCheck Valves; Threaded insert, Threaded insert with nose sealBrass None0.022Male
ZMC-31-0-M5-SS-SSCheck Valves; Threaded insert, Threaded insert with nose seal303 SS None0.022Male
ZMC-94-0-M8-BR-SSCheck Valves; Threaded insert, Threaded insert with nose sealBrass None0.200Male
ZMC-94-0-M8-SS-SSCheck Valves; Threaded insert, Threaded insert with nose seal303 SS None0.200Male

Contact the supplier

O'Keefe Controls Co.

O'Keefe Controls Co.

For more than 40 years, O’Keefe Controls Co. has been designing and manufacturing extremely reliable, long-life precision orifices and fluid control devices. The company is recognized worldwide as a leader in both standard and customized solutions where applications demand well-defined fluid flow and level monitoring. Our products include Precision Orifices, Tamperproof Flow Controls, small and miniature Check Valves, miniature In-Line Screens and Breathers, miniature Stainless Steel Fittings & Bulkhead Connectors, and Pneumatic Float Valves & Level Sensors. The company is also highly regarded for its advanced engineering and technical consultative expertise; all of which is based in our Monroe, CT headquarters and fabrication center.

Google Map