The Series 415 is part of CEJN's Classic Range of hydraulic couplings that offer numerous advantages. The range is frequently used in demanding applications where conventional couplings do not meet the requirements. The low connection force combined with high flow and small external dimensions provide convenient and trouble free service.

Please refer to the Fluid range Series 414 for an all brass version and Series 416 for a stainless steel version.

Download drawings/3dmodels

Technical data
Nominal flow diameter:	8.9 mm (3/8")
Flow capacity:	61 l/min (13.4 GPM UK)
Max. working pressure connected:	25.0 MPa
Max. working pressure disconnected:	10.0 MPa
Min. burst pressure connected:	100.0 MPa
Min. burst pressure disconnected:	100.0 MPa
Temperature range:	-30°C — +100°C (-22°F — +212°F)
Material coupling:	Steel (zinc passivation)
Material nipple:	Hardened steel (zinc passivation)
Material seal:	Nitrile (NBR), other sealing materials on request
Connectability:	Without pressure
Disconnection under pressure:	Not allowed

Flow capacity is measured at 0.4 MPa pressure drop.

Pressure drop chart

Pressure drop, MPa

Flow, l/min. (GPM UK)

Couplings	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	104151204	G 3/8"	66.2	28.4	24	NBR
	104151205	G 1/2"	68.7	31.2	27	NBR
	104151404	3/8" NPT	66.2	28.4	24	NBR
	104151405	1/2" NPT	68.7	31.2	27	NBR
Male thread	104151254	G 3/8"	69.7	28.4	24	NBR
	104151255	G 1/2"	68.7	31.2	27	NBR

Nipples	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	104156204	G 3/8"	58.6	31.2	27	NBR
	104156205	G 1/2"	62.5	31.2	27	NBR
	104156404	3/8" NPT	58.6	31.2	27	NBR
	104156405	1/2" NPT	61.5	31.2	27	NBR
Male thread	104156254	G 3/8"	61.1	31.2	27	NBR
	104156255	G 1/2"	63.1	31.2	27	NBR

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 415

Hydraulic Products

Classic Range - CEJN Unique Profile

Series 415

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Category	Class	Connection	Article Nr	Model Files (.stp)	Drawing Files (.pdf)
Couplings	Female thread	G 3/8"	104151204
Couplings	Female thread	G 1/2"	104151205
Nipples	Female thread	G 3/8"	104156204
Nipples	Female thread	G 1/2"	104156205