Pneumatic Products

Standard Couplings & Nipples

CEJN’s Pneumatic Couplings and Nipples are specially designed to address the two most common causes of energy loss in compressed air systems, leaks and pressure drops. Our couplings are easy to handle and have a long service life. All products are made of plated quality steel and brass.
  • Series 141, DN 2.5

    DN 2.5mm (3/32"). Flow capacity of 3.0 CFM (86 l/m). Max working pressure 150 PSI (10 bar). Made of chrome-plated brass. Suitable for compressed air, fluid and vacuum applications.

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  • Series 220, DN 5

    DN 5 mm (3/16"). Flow capacity of 20.5 CFM (580 l/min). Max working pressure of 510 PSI (35 bar). Made of nickel-plated steel. Suitable for compressed air, fluid and vacuum applications.

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  • Series 315, DN 7.5

    DN 7.5 mm (5/16"). Flow capacity of 68.8 CFM (1,950 l/min). Max working pressure 232 PSI (16 bar). Made of zinc-plated steel/brass. Asian standard profile with a wide range of connections.

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