Fluid Products, Classic Couplings & Nipples

Series 704

  • One-hand operation
  • High-flow capacity
  • Low connection force

Requiring only one hand for operation, Series 704 couplings feature a two-way shut-off. A valveless nipple style is available upon request. Series 704 is suitable for water inlet and return for injection molding lines.

Please refer to CEJN Series 706 for a stainless steel version. Straight through version available upon request.

Couplings Part No. Connection Seal Length Diameter Hexagon
Femle thread (valved) 10 704 1203 107041203G 1"NBR9453.146

Nipples Part No. Connection Seal Length Diameter Hexagon
Female thread (valved) 10 704 6203 107046203G 1"NBR91.553.146
Female thread (valveless) 10 704 5203 107045203G 1"NBR91.553.146

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.
Technical data
Nominal flow diameter: 19.0 mm (3/4")
Water flow (double shut-off): 260 l/min (57.2 GPM UK)
Water flow (single shut-off): 390 l/min (85.8 GPM UK)
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: Chrome-plated brass
Material nipple: Chrome-plated brass
Kv (double shut-off): 7.80
Cv (double shut-off): 9.07
Kv (single shut-off): 11.7
Cv (single shut-off): 13.6

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

Fluid Flow
Pressure drop, PSI Series 704 Flow, GPMBlack: Double shut-off, Grey: Single shut-off

Available files for download

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