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DN4 (Series 277)

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

 

With unlimited combination possibilities, CEJN Series 277 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 277 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 477, 577, 677 and 777. Please refer to Series 267 for an all brass version. For other sizes in brass, refer to Series 467, 567, 667 and 767.

Technical data

Nominal flow diameter 4.0 mm (0.2″)
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 -5°C — +205°C (23°F — +401°F)
Material coupling Stainless steel, AISI 316
Material nipple Stainless steel, AISI 316
Kv (double shut-off) 0.39
Cv (double shut-off) 0.45
Comment Single shut-off must utilize valved coupling and valveless nipple
Couplings without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 277 0210 G 1/4″ FPM 43.5 23 19
10 277 0410 1/4″ NPT FPM 59.2 23 19
Couplings with valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 277 1210 G 1/4″ FPM 43.5 23 19
10 277 1410 1/4″ NPT FPM 59.2 23 19
Nipples without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 277 5210 G 1/4″ FPM 48.5 20 19
10 277 5410 1/4″ NPT FPM 48.5 20 19
Nipples with valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 277 6210 G 1/4″ FPM 48.5 20 19
10 277 6410 1/4″ NPT FPM 48.5 20 19