Pneumatic Products

Button Style Couplings & Nipples

Series 381, DN 8

Compact design
Complies with safety standard ISO 4414
Disconnects in two stages

Compact and light quick-connect coupling, newly shaped in order to meet ergonomic and industrial design requirements. Series 381 has an easy and safe connection/disconnection and are in accordance with ISO 4414 (safety standard). The nipple profile is according to ISO 6150 C.

The Series is also available in one smaller size (Series 291) and one larger size (Series 471).

Download drawings/3dmodels

Technical data
Nominal flow diameter:	8.0 mm (5/16Inch)
Air flow:	1050 l/min (37.1 CFM)
Max. working pressure:	10 bar (150 PSI)
Min. burst pressure:	40 bar (580 PSI)
Temperature range:	-20°C — +90°C (-4°F — +194°F)
Material coupling:	Steel
Material nipple:	Hardened steel

Flow capacity 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	103813003	8.0 mm (5/16")
	103813004	10.0 mm (3/8")
	103813005	13.0 mm (1/2")
Male thread	103813152	R 1/4"
	103813154	R 3/8"
	103813155	R 1/2"
Female thread	103813202	G 1/4"
	103813204	G 3/8"
	103813205	G 1/2"

Nipples	Part No.	Connection
Hose connection	103815033	8.0 mm (5/16")
	103815034	10.0 mm (3/8")
	103815035	13.0 mm (1/2")
Male thread	103815132	R 1/4"
	103815134	R 3/8"
	103815135	R 1/2"
Female thread	103815232	G 1/4"
	103815234	G 3/8"
	103815235	G 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 381, DN 8

Pneumatic Products

Button Style Couplings & Nipples

Series 381, DN 8

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