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The CEJN 10 320 2005 is a safety-style pneumatic hose coupling designed for high-flow compressed-air applications. Part of the Series 320 lineup, it features a hose barb connection with a 1/2 inch inside diameter and a 1/4 inch body diameter. The coupler body is constructed from brass with zinc-plated steel components. It is rated for a maximum working pressure of 230 psi and handles temperatures from -4 degrees F to 212 degrees F. Licensed HVAC technicians, industrial maintenance techs, and pneumatic system installers work with this type of fitting when assembling or servicing compressed-air tool lines and distribution systems.
This coupling is suited for residential and light commercial pneumatic tool setups as well as industrial air-supply lines where a high-flow interchange standard is required. The hose barb thread type accommodates a 1/2 inch inside diameter hose, making it compatible with common air hose assemblies used with impact wrenches, air ratchets, blow guns, and similar tools. The safety coupler design requires a deliberate two-step action to disconnect, reducing accidental releases under pressure.
Designed as an OEM-style replacement or aftermarket fitting for pneumatic air-hose assemblies using the High Flow interchange standard with a 1/2 inch inside diameter hose barb connection.
Installation is typically performed by qualified industrial maintenance technicians or pneumatic system installers. Always depressurize and bleed the air line completely before disconnecting or installing any coupler. Ensure the hose is fully seated on the barb and secured with an appropriate clamp before pressurizing. Inspect the coupler body and locking sleeve for wear or damage at each service interval.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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