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Pneumatics - Standard Couplings & Nipples

By CEJN Australia

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

Series 220, DN 5
DN 5 mm (3/16"). Flow capacity of 580 l/min (20.5 CFM). Max working pressure 35 bar (510 PSI). Made of nickel-plated steel. Suitable for compressed air, fluid and vacuum applications.

Series 300, DN 5.5
DN 5.5 mm (7/32"). Flow capacity of 1,050 l/min (37.1 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. High flow coupling with low connection force.

Series 303, DN 6.5
DN 6.5 mm (1/4"). Flow capacity of 1,450 l/min (51.2 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. High flow coupling suitable for compressed air and vacuum applications.

Series 310, DN 5.3
DN 5.3 mm (7/32"). Flow capacity of 925 l/min (32.7 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. ISO 6150 B standard, A-A 59439 standard (former U.S Standard MIL C 4109 1/4"). High flow coupling with low connection force.

Series 315, DN 7.5
DN 7.5 mm (5/16"). Flow capacity of 1,950 l/min (68.8 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. Asian standard profile with a wide range of connections.

Series 320, DN 7.6
DN 7.6 mm (5/16"). Flow capacity of 2,100 l/min (74.1 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. CEJN original standard, Eurostandard 7.6 (7.4).

Series 408, DN 9.5
DN 9.5 mm (3/8"). Flow capacity of 3,450 l/min (121.8 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. High flow coupling suitable for compressed air and vacuum applications.

Series 410, DN 10.4
DN 10.4 mm (13/32"). Flow capacity of 3,900 l/min (137.7 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. CEJN original standard, Eurostandard 10.4. Couplin

Series 430, DN 8.2
DN 8.2 mm (5/16"). Flow capacity of 2,350 l/min (83.0 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. Standards ISO 6150 B and A-A-59439 (former U.S. Standard MIL C 4109 3/8"). High flow capacity with small outside dimensions.

Series 550, DN 11
DN 11 mm (7/16"). Flow capacity of 3,750 l/min (132.4 CFM). Max working pressure 16 bar (230 PSI). Made of zinc-plated steel/brass. Standards ISO 6150 B and A-A-59439 (former U.S. Standard MIL C 4109 1/2"). Strong and durable with a low connection force.