Fluid Products, Non-Drip Brass Couplings & Nipples

DN4 (Series 267)

  • Non-Drip design
  • Unlimited combination possibilities
  • Different safety levels to avoid mixing media

With unlimited combination possibilities, CEJN Series 267 non-drip modular couplings are adaptable to virtually all applications and system requirements. The Non-Drip design of the Series ensures practically zero spillage and eliminates pollution and air inclusion during connection and disconnection. The Series is available in three configurations: straight through, single shut-off and double shut-off. Series 267 is also available with color-coding and/or key coding for extra safety. Optional seal material upon request.


The Series is also available in four other sizes: Series 467, 567, 667 and 767. Please refer to Series 277 for a stainless steel version. For other sizes in stainless steel, refer to Series 477, 577, 677 and 777.

DN4 (Series 267)
Technical data
Nominal flow diameter: 4.0 mm (5/32")
Water flow (double shut-off): 17 l/min (3.7 GPM UK)
Max. working pressure: 20 bar (290 PSI)
Min. burst pressure: 80 bar (1160 PSI)
Temperature range: -15°C — +100°C (5°F — +212°F)
Material coupling: Nickel-plated brass
Material nipple: Nickel-plated brass
Kv (double shut-off): 0.51
Cv (double shut-off): 0.59
Comment: Single shut-off must utilize valved coupling and valveless nipple

Flow capacity is measured at 4 bar (58 PSI) pressure drop.

Fluid Flow
Pressure drop, bar (PSI)
DN4 (Series 267)
Flow, l/min. (GPM UK)
Black: Double shut-off, Grey: Single shut-off, Light grey: Straight through
Couplings without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 267 0200102670200G 1/4"NBR43.52319
 10 267 04001026704001/4" NPTNBR59.22319


Couplings with valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 267 1200102671200G 1/4"NBR43.52319
 10 267 14001026714001/4" NPTNBR52.92319


Nipples without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 267 5200102675200G 1/4"NBR48.52019
 10 267 54001026754001/4" NPTNBR48.51919


Nipples with valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 267 6200102676200G 1/4"NBR48.52019
 10 267 64001026764001/4" NPTNBR48.52019


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.

Please complete the form below in order to gain access to downloadable product files. The data you provide is for internal information purposes only and will not be published or made available outside of CEJN.

Available files for download