Breathing Air Products, Couplings & Nipples

Series 342

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

Series 342 coupling withstand extremely rough handling in extra tough applications. The series features a zinc-plated steel/brass construction with a locking sleeve made of hardened zinc-plated steel. The Series offers a wide range of connections. The automatic safety-locking feature prevents unintentional disconnection.

Couplings	Part No.	Connection	Length	Diameter	Hexagon
Hose connection	10 342 1002 103421002	6.3 mm (1/4")	69.5	24.4	19
	10 342 1003 103421003	8 mm (5/16")	71	24.4	19
	10 342 1004 103421004	10 mm (3/8")	71.5	24.4	19
	10 342 1005 103421005	13 mm (1/2")	69.5	24.4	19
Male thread	10 342 1152 103421152	R 1/4"	64.5	24.4	20
	10 342 1154 103421154	R 3/8"	62.5	24.4	20
	10 342 1155 103421155	R 1/2"	57	25.4	22
	10 342 1452 103421452	NPT 1/4"	63.5	24.4	20
	10 342 1454 103421454	NPT 3/8"	61.5	24.4	20
	10 342 1455 103421455	NPT 1/2"	56	25.4	22
Female thread	10 342 1202 103421202	G 1/4"	58.5	24.4	20
	10 342 1204 103421204	G 3/8"	61.5	24.4	20
	10 342 1205 103421205	G 1/2"	61	28.9	25
	10 342 1402 103421402	NPT 1/4"	60.5	24.4	20
	10 342 1404 103421404	NPT 3/8"	60.5	25.4	22
	10 342 1506 103421506	M16 x 1.5	62.7	25.4	22
Stream-Line	10 342 1060 103421060	6.5 x 10 mm	65.5	24.4	16/20
	10 342 1062 103421062	8 x 12 mm	68.5	24.4	20/19

Nipples	Part No.	Connection	Length	Diameter	Hexagon
Hose connection	10 342 5002 103425002	6.3 mm (1/4")	47	13	-
	10 342 5004 103425004	10 mm (3/8")	49.5	14	-
	10 342 5005 103425005	13 mm (1/2")	50	17	-
Stream-Line	10 342 5060 103425060	6.5 x 10 mm	49	18.5	16 (2x)
	10 342 5062 103425062	8 x 12 mm	52	21.9	19 (2x)
Male thread	10 342 5152 103425152	R 1/4"	46	15.7	14
	10 342 5154 103425154	R 3/8"	46	18.7	17
	10 342 5155 103425155	R 1/2"	52	23.2	21
	10 342 5452 103425452	NPT 1/4"	42.7	15.7	14
	10 342 5454 103425454	NPT 3/8"	43.7	18.65	17
	10 342 5455 103425455	NPT 1/2"	50.5	23.2	21
	10 342 5556 103425556	M16 x 1.5	43	20.7	19
Female thread	10 342 5202 103425202	G 1/4"	42	18.7	17
	10 342 5204 103425204	G 3/8"	43.2	22.5	20
	10 342 5402 103425402	NPT 1/4"	41.5	18.7	17
	10 342 5404 103425404	NPT 3/8"	43.2	22.5	20
	10 342 5205 103425205	G 1/2"	47.7	27.7	24

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:	7.4 mm (0.3")
Air flow:	1950 l/min (68.8 CFM)
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:	Zinc-plated steel/brass
Material nipple:	Hardened zinc-plated steel
Material seal:	NBR
Interchangeable with:	-
Standards:	CEJN Original Standard

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

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Breathing Air Products, Couplings & Nipples

Series 342

Available files for download