Fluid Products, Classic Couplings & nipples

Series 606

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

One- and two-way shut-off styles are included in Series 606 couplings that require only one hand for operation. Series 606 stands up to food, offshore, and steam applications. Dust caps are included as standard.


Please refer to CEJN Series 604 for an all brass version. Straight through version available on request.

Series 606
Technical data
Nominal flow diameter: 14.5 mm (9/16")
Water flow (double shut-off): 141 l/min (31.0 GPM UK)
Water flow (single shut-off): 205 l/min (45.1 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): 4.23
Cv (double shut-off): 4.92
Kv (single shut-off): 6.30
Cv (single shut-off): 7.33

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

Fluid Flow
Pressure drop, bar (PSI)
Series 606
Flow, l/min. (GPM UK)
Black: Double shut-off, Grey: Single shut-off
Couplings Part No. Connection Seal Length Diameter Hexagon
Female thread 10 606 1211106061211G 3/4"FPM8347.341


Nipples Part No. Connection Seal Length Diameter Hexagon
Female thread 10 606 6211106066211G 3/4"FPM81.541.636


Nipples without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 606 5201106065201G 3/4"-81.541.636
 10 606 5401106065401NPT 3/4"-81.541.636


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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