Breathing Air Products, Couplings & Nipples

Series 442

  • One-hand operated
  • High flow capacity
  • Automatic safety locking feature

Series 442 couplings withstand extremely rough handling in extra tough applications. The series features a zinc-plated steel/brass construction with a locking sleeve made of hardened zinc-plated steel. The series offers a wide range of connections, as well as anti-hose whip nipples. The automatic safetylocking feature prevents unintentional disconnection.

Series 442
Technical data
Nominal flow diameter: 10.4 mm (13/32")
Air flow: 3950 l/min (139.4 CFM)
Max. working pressure: 35 bar (507 PSI)
Min. burst pressure: 140 bar (2030 PSI)
Temperature range: -30°C — +100°C (-22°F — +212°F)
Material coupling: Zinc-plated steel/brass
Material nipple: Hardened zinc-plated steel
Material seal: NBR

Flow capacity is measured at 6 bar (87 PSI) inlet pressure, and pressure drop at 0.5 bar (7 PSI).

Air Flow
Pressure drop bar (PSI)
Series 442
Flow l/min. (CFM)
Couplings Part No. Connection Length Diameter Hexagon
Hose connection 10 442 10031044210038 mm (5/16")80.52822
 10 442 100410442100410 mm (3/8")79.52822
 10 442 100510442100513 mm (1/2")782822
 10 442 100610442100616 mm (5/8")782822
 10 442 100710442100719 mm (3/4")772822
Male thread 10 442 1154104421154R 3/8"70.52824
 10 442 1155104421155R 1/2"732824
 10 442 1157104421157R 3/4"63.531.227
 10 442 1455104421455NPT 1/2"722824
 10 442 1457104421457NPT 3/4"6031.227
Female thread 10 442 1204104421204G 3/8"652824
 10 442 1205104421205G 1/2"7028.925
 10 442 1207104421207G 3/4"673732
 10 442 1404104421404NPT 3/8"66.52824
 10 442 1405104421405NPT 1/2"7028.925


Nipples Part No. Connection Length Diameter Hexagon
Hose connection 10 442 500510442500513 mm (1/2")5017-
 10 442 500610442500616 mm (5/8")52.521-
 10 442 500710442500719 mm (3/4")5324-
Male thread 10 442 5152104425152R 1/4"43.819.617.0
 10 442 5154104425154R 3/8"4719.617
 10 442 5155104425155R 1/2"50.825.422
 10 442 5157104425157R 3/4"5431.227
 10 442 5454104425454NPT 3/8"4619.617
 10 442 5455104425455NPT 1/2"51.825.422
Female thread 10 442 5204104425204G 3/8"4323.120
 10 442 5205104425205G 1/2"47.828.925
 10 442 5207104425207G 3/4"50.53732
 10 442 5405104425405NPT 1/2"47.828.925


Check with an authorized CEJN distributor for availability and prices. Other connections and sealing material on request. Some part numbers may be subject to minimum order quantities. CEJN reserves the right to make changes without further notification. Thread connections are listed according to ISO Standards. All measurements are in mm.

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