Pneumatic Products, Standard Couplings & Nipples

Series 223, DN 5

  • Interchangeable with several other brands
  • Small external dimensions
  • Robust design

Series 223 consists of couplings and nipples, suitable for compressed air, as well as fluid and vacuum applications. All the products in series 223 have small external dimensions, which makes them practical when space is tight. Despite the dimensions, the design is robust and sturdy. The products in Series 223 are interchangeable with several other brands with comparable size.


Series 223, DN 5
Technical data
Nominal flow diameter: 5.0 mm (3/32")
Air flow: 535 l/min (18.9 CFM)
Max. working pressure: 15 bar (217 PSI)
Min. burst pressure: 60 bar (870 PSI)
Connection force: 63.7 N
Temperature range: -20°C — +70°C (-4°F — +158°F)
Material coupling: Nickel-plated brass
Material nipple: Nickel-plated brass
Interchangeable with: Rectus 21
Standards: Eurostandard 5 mm
Markets: Global

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 223, DN 5
Flow, l/min (CFM)
Couplings Part No. Connection
Hose connection 10 223 19301022319304 mm (5/32")
 10 223 19321022319326 mm (1/4")
Male thread 10 223 1951102231951G 1/8"
 10 223 1952102231952G 1/4"
Female thread 10 223 1901102231901G 1/8"
 10 223 1902102231902G 1/4"


Nipples Part No. Connection
Hose connection 10 223 59301022359304 mm (5/32")
 10 223 59321022359326 mm (1/4")
Male thread 10 223 5951102235951G 1/8"
 10 223 5952102235952G 1/4"
Female thread 10 223 5901102235901G 1/8"
 10 223 5902102235902G 1/4"


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.

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