Hose and Hose Assemblies. JGB's Hose, Fitting, and Valves CatalogJGB Enterprises Inc. celebrates its 35 years. The owner, Jay G Bernhardt, founded the company in 1977 and  we have grown the company into a leading defense contractor and commercial supplier in hoses and fittings
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Vendors > CEJN > CEJN / Series 221

35 bar (508 PSI) - 580 l/min (20.5 CFM)


Part Name Manufacturer Photograph
CEJN / Series 221 CEJN CEJN / Series 221
Coupling Category
Quick Connect Couplings for Breathing Air Applications
In addition to a grip-friendly locking sleeve and small outside dimensions, Series 221 offers a high rate of airflow and a wide connection range. This coupling series is ideal for laboratory breathing air systems, dry suit inflation, and diving applications.

Technical Data
Material: Chrome-plated brass
Seal material: NBR
Airflow at inlet pressure 6 bar (87 PSI) and pressure drop 0.5 bar (7 PSI): 580 l/min (20.5 CFM)
Max. working pressure: 35 bar (508 PSI)
Min. burst pressure: 140 bar (2030 PSI)
Temperature range: -30C to +100C (-22F to + 212F)
Nominal flow diameter: 5.0 mm (3/16")


Couplings Part No. Description Length Diameter Spanner Size
Hose connection 10 221 1021 6.3 mm (1/4") 47.4 6.0 17
Male Thread 10 221 1292 G 1/4" 43.5 6.0 17
10 221 1482 NPT 1/4" 45.5 6.0 17
Female Thread 10 221 1222 G 1/4" 47.5 6.0 17


Nipples Part No. Description Length Diameter Spanner Size
Hose connection 10 221 5002 6.3 mm (1/4") 36.0 11.0 -
Male Thread  10 221 5152 R 1/4" 33.0 16.2 14
10 221 5251 G 1/8" 26.5 1 .7 11
10 221 5252 G 1/4" 31.5 16.2 14
10 221 5452 NPT 1/4" 33.0 16.2 14
Female Thread 10 221 5201 G 1/8" 26.5 15.0 13
10 221 5202 G 1/4" 31.0 19.6 17
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