Series 303 couplings offer high-flow capacity and are insensitive to vibrations. A wide range of connections is included in the Series, which is also suitable for vacuum service. Male threads on the couplings and nipples feature pre-applied thread sealant.

Technical data
正常通径:	6.5 毫米 (1/4")
气流量:	1450 升/分钟 (51.2 CFM)
最大工作压力:	16 巴 (230 PSI)
最小爆破压力:	140 巴 (2030 PSI)
连接力:	85.0 N
温度范围:	-20ºC — +100ºC (-4ºF — +212ºF)
母接头材质:	Zinc-plated steel/brass
公接头材质:	Pozinkovaná kalená ocel

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)

Průtok, l/min. (CFM)

Couplings	产品编号	连接
Hose connection	103031002	6.3 mm (1/4")
	103031003	8.0 mm (5/16")
	103031004	10.0 mm (3/8")
	103031005	13.0 mm (1/2")
Male thread	103031152	R 1/4"
	103031154	R 3/8"
	103031155	R 1/2"
Female thread	103031202	G 1/4"
	103031204	G 3/8"
	103031205	G 1/2"
Stream-Line connection	103031058	5x8 mm
	103031060	6.5x10 mm
	103031062	8x12 mm
	103031063	9.5x13.5 mm
	103031066	11x16 mm

Nipples	产品编号	连接
Hose connection	103035002	6.3 mm (1/4")
	103035003	8.0 mm (5/16")
	103035004	10.0 mm (3/8")
	103035005	13.0 mm (1/2")
Male thread	103035151	R 1/8"
	103035152	R 1/4"
	103035154	R 3/8"
	103035155	R 1/2"
Female thread	103035201	G 1/8"
	103035202	G 1/4"
	103035204	G 3/8"
	103035205	G 1/2"
Stream-Line connection	103035058	5x8 mm
	103035060	6.5x10 mm
	103035062	8x12 mm
	103035063	9.5x13.5 mm
	103035066	11x16 mm

Anti-Hose whip nipples	产品编号	连接
Hose connection	103038002	6.3 mm (1/4")
	103038003	8.0 mm (5/16")
	103038004	10.0 mm (3/8")
	103038005	13.0 mm (1/2")
Male thread	103038152	R 1/4"
Stream-Line connection	103038060	6.5x10 mm
	103038062	8x12 mm
	103038066	11x16 mm

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