Thermal Control Products, Full-Flow Couplings & Nipples

Series 701, DN25 Brass

  • Valveless design permits unrestricted high flow
  • Durable and robust coupling that withstands long periods of connection
  • Easy operation to simplify maintenance and serviceability


CEJN series 701 brass couplings are ideal for larger fluid and pneumatic lines. Its beneficial feature is the economical valveless design that permits unrestricted high flow, a real advantage when connecting high-flow rate circuits within thermal control management. A perfect fit for applications such as main supply lines within power electronics, renewable energy solutions, etc. The straightforward design reduces pressure drop and makes it easy to maintain and service. Series 701 offers a long service life in applications with maximum working pressures of 290 PSI (20 bar). Optional color-coded rings and a safety-locking device are available for added safety protection.


Available in two other sizes: please refer to 851 and 921. CEJN Full-Flow is also available in stainless steel. See Series 702, 852 and 922. If you can’t find a product that meets your requirements, don’t hesitate to contact us, and we’ll put our R&D department at your disposal. Applications: Heat transfer, compressed airlines, various chemical transfers.


Couplings without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 701 0203 107010203G 1"NBR605346


Nipple without valve Part No. Connection Seal Length Diameter Hexagon
Female thread 10 701 5203 107015203G 1"-645346


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: 25.4 mm (1.0")
Max. working pressure: 20 bar (290 PSI)
Min. burst pressure: 80 bar (1160 PSI)
Temperature range: -30°C — +100°C (-22°F — +212°F)
Material coupling: Nickel-plated brass
Material nipple: Nickel-plated brass

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