Series 342, DN 7.4

Available files for download

Category	Class	Connection	Article Nr	Model Files (.stp)	Drawing Files (.pdf)
Couplings	Hose connection	6.3 mm (1/4")	103421002
Couplings	Hose connection	8 mm (5/16")	103421003
Couplings	Hose connection	10 mm (3/8")	103421004
Couplings	Hose connection	13 mm (1/2")	103421005
Couplings	Male thread	R 1/4"	103421152
Couplings	Male thread	R 3/8"	103421154
Couplings	Male thread	R 1/2"	103421155
Couplings	Male thread	NPT 1/4"	103421452
Couplings	Male thread	NPT 3/8"	103421454
Couplings	Male thread	NPT 1/2"	103421455
Couplings	Female thread	G 1/4"	103421202
Couplings	Female thread	G 3/8"	103421204
Couplings	Female thread	G 1/2"	103421205
Couplings	Female thread	NPT 1/4"	103421402
Couplings	Female thread	NPT 3/8"	103421404
Couplings	Stream-Line	6.5 x 10 mm	103421060
Couplings	Stream-Line	8 x 12 mm	103421062
Nipples	Hose connection	6.3 mm (1/4")	103425002
Nipples	Female thread	G 1/4"	103425202

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Pneumatic Products

Safety Lock Couplings & Nipples

Series 342, DN 7.4

Automatic safety-locking feature
Extremely high flow capacity
One-hand operated

Series 342 couplings withstand extremely rough handling in extra tough applications. The Series features a zinc-plated steel construction with a locking sleeve made of hardened zinc-plated steel. The Series offers a wide range of connections, as well as anti-hose whip nipples. The automatic safety-locking feature prevents unintentional disconnection.

Please refer to the CEJN Breathing Air range for an all brass version (Series 341).

Download drawings/3dmodels

Technical data
Nominal flow diameter:	7.4 mm (9/32Inch)
Air flow:	1950 l/min (68.8 CFM)
Max. working pressure:	35 bar (510 PSI)
Min. burst pressure:	140 bar (2030 PSI)
Connection force:	103.0 N
Temperature range:	-30°C — +100°C (-22°F — +212°F)
Material coupling:	Zinc-plated steel/brass
Material nipple:	Hardened zinc-plated steel

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

Air Flow

Pressure drop, bar (PSI)

Flow, l/min. (CFM)

Couplings	Part No.	Connection
Hose connection	103421002	6.3 mm (1/4")
	103421003	8 mm (5/16")
	103421004	10 mm (3/8")
	103421005	13 mm (1/2")
Male thread	103421152	R 1/4"
	103421154	R 3/8"
	103421155	R 1/2"
	103421452	NPT 1/4"
	103421454	NPT 3/8"
	103421455	NPT 1/2"
Female thread	103421202	G 1/4"
	103421204	G 3/8"
	103421205	G 1/2"
	103421402	NPT 1/4"
	103421404	NPT 3/8"
	103421405	NPT 1/2"
Stream-Line	103421060	6.5 x 10 mm
	103421062	8 x 12 mm

Nipples	Part No.	Connection
Hose connection	103425002	6.3 mm (1/4")
	103425004	10 mm (3/8")
	103425005	13 mm (1/2")
Male thread	103425152	R 1/4"
	103425154	R 3/8"
	103425155	R 1/2"
	103425452	NPT 1/4"
	103425454	NPT 3/8"
	103425556	M16 x 1.5
Female thread	103425202	G 1/4"
	103425204	G 3/8"
	103425205	G 1/2"
	103425402	NPT 1/4"
	103425404	NPT 3/8"
Stream-Line	103425060	6.5 x 10 mm
	103425062	8 x 12 mm

Anti-hose Whip Nipples	Part No.	Connection
Hose connection	103428004	10 mm (3/8")
	103428005	13 mm (1/2")

Thread connections are listed according to ISO Standards. All measurements are in mm. Check with an authorized CEJN distributor for availability and prices.

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Series 342, DN 7.4

Pneumatic Products

Safety Lock Couplings & Nipples

Series 342, DN 7.4

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