Fluid Products, Classic Couplings & nipples

Series 706

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

Requiring only one hand for operation, Series 706 couplings feature a two-way shut-off. Series 706 stands up to food, offshore, and steam applications. Dust caps are included as standard.


Please refer to CEJN Series 704 for an all brass version. Straight through version available on request.

Series 706
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: Stainless steel (AISI 316)
Material nipple: Stainless steel (AISI 316)
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 4 bar (58 PSI) pressure drop.

Fluid Flow
Pressure drop, bar (PSI)
Series 706
Flow, l/min. (GPM UK)
Black: Double shut-off, Grey: Single shut-off
Couplings with valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 706 1213107061213G 1"FPM91.553.146


Nipples with valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 706 6213107066213G 1"FPM91.553.146


Nipples without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 706 5203107065203G 1"-91.553.146


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.

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