Fluid Products, Classic Couplings & nipples

Series 324

  • Small external dimensions
  • One-hand operated
  • Low connection force


Series 324 offers a two-way shut-off and is connectable with the valveless nipple in Series 321. Designed with small external dimensions, it is suitable for a variety of fluid applications, such as water inlet and return for injection molding lines. Only one hand is required to connect this original CEJN product offering. Dust caps are included. Other sealing materials and connections are available on request.


The Series is also available in a stainless steel version (Series 326). Please refer to the CEJN Pneumatic range for specialized versions of the Series with nickel-plated steel/brass or aluminum constructions and as Vented Safety (Series 320).

Couplings Part No. Connection Seal Length Diameter Hexagon
Hose connection 10 324 1004 1032410043/8" 10.0 mmNBR67.323.421
 10 324 1005 1032410051/2" 13.0 mmNBR66.323.421
Male thread 10 324 1152 103241152R 1/4"NBR59.323.421
 10 324 1154 103241154R 3/8"NBR58.323.421
Female thread 10 324 1202 103241202G 1/4"NBR56.323.421
 10 324 1204 103241204G 3/8"NBR56.325.422
 10 324 1205 103241205G 1/2"NBR60.328.925
 10 324 1212 103241212G 1/4"FPM56.623.421
 10 324 1222 103241222G 1/4"EPDM63.623.421


Nipples Part No. Connection Seal Length Diameter Hexagon
Female thread 10 324 6202 103246202G 1/4"NBR52.123.120
 10 324 6212 103246212G 1/4"FPM52.123.120
 10 324 6222 103246222G 1/4"EPDM52.123.120
 10 324 6402 1032464021/4" NPTNBR52.123.120


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: 6.2 mm (1/4")
Water flow (double shut-off): 42 l/min (11.1GPM us)
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: Nickel-plated brass
Material nipple: Nickel-plated brass
Kv (single shut-off): 1.59
Cv (double shut-off): 1.46

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

Fluid Flow
Pressure drop, bar (PSI) Series 324 Flow, l/min. (GPM UK)

Available files for download

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