CEJN® Series 344 Couplings

Series 344 is specially designed for applications with low-weight requirements. The shorter design of the coupling gives it a significantly lower weight than other couplings with the same performance. Series 344 is recommended primarily for breathing air fire fighting applications, but is also well suited for diving equipment. Its specially designed valve provides an extremely high rate of airflow. Like most other CEJN breathing air couplings, this series offers one-hand-operated connection, an integrated safety feature that guards against unintentional disconnection, a grip-friendly locking sleeve, and a broad connection range.

Technical Data Summary
Specification Details
Nominal Flow Diameter	7.4mm
Coupling Material	Nickel Plated Brass
Nipple Material	Nickel Plated Brass
Maximum Working Pressure Connected
	35 bar
Maximum Working Pressure Disconnected
	140 bar
Standard Flow Rate
	1950 l/min (68.8 CFM)
Temperature Range
	-30°C to +100°C (-22°F to +212°F)

Flow capacity is measured at 6 bar (87 PSI) inlet pressure, and pressure drop at 0.5 bar (7 PSI).

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