CEJN Series 265 is a Flat-Face quick-connect coupling according to and exceeding the ISO 16028 Standard for low- and medium-pressure hydraulic applications. The Flat-Face design minimizes spillage during connection and disconnection. Series 265 couplings require only one hand for operation, making connection and disconnection fast and easy. Dust caps are available as accessories for both the coupling and nipple when disconnected to prevent dust and debris from entering the system. Series 265 couplings feature manual security locking as added protection against involuntary disconnection.

The couplings and nipples are also available in other sizes; DN 5 (Series 165), DN 10 (Series 365), DN 12.5 (Series 565), DN 16 (Series 665), DN 19 (Series 765), DN 25 (Series 065). For a stainless steel version see Series 266. Nipples with pressure eliminator available under Series 264.

Download drawings/3dmodels

Technical data
Nominal flow diameter:	1/4" (6.3 mm)
Rated flow:	3.2 GPM (12 l/min)
Max. working pressure connected:	7250 PSI (500 bar)
Max. working pressure disconnected:	7250 PSI (500 bar)
Min. burst pressure connected:	21760 PSI (1500 bar)
Min. burst pressure disconnected:	21760 PSI (1500 bar)
Static pressure applications:	Approved to max. working pressure
Dynamic pressure applications:	Max. working pressure 4568 PSI according to ISO 16028
Temperature range:	-22°F — +212°F (-30°C — +100°C)
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

Rated flow is measured at 14.5 PSI pressure drop.

Pressure drop chart

Pressure drop, PSI

Flow, GPM

Couplings	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	102651102	Rc 1/4"	58.1	27.2	20	NBR
	102651202	G 1/4"	58.1	27.2	21	NBR
	102651402	1/4" NPT	58.1	27.2	21	NBR
	102651602	7/16"-20 ORB	58.1	27.2	21	NBR
	102651212	G 1/4"	58.1	27.2	21	FPM

Nipples	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	102656202	G 1/4"	48.7	25.4	21	NBR/PUR
	102656402	1/4" NPT	48.7	25.4	21	NBR/PUR
	102656602	7/16"-20 ORB	48.7	25.4	21	NBR/PUR
	102656212	G 1/4"	48.7	25.4	21	FPM

Seal kits for nipples	Part No.		Length	Diameter	Hexagon	Seal
DN 6.3	102654900		-	-	-	NBR
	102654910		-	-	-	FPM

Push-pull couplings	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	102651282	G 1/4"	58.1	27.2	21	NBR
	102656102	Rc 1/4"	48.7	25.4	21	NBR/PUR

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 265, DN6.3 Steel

Hydraulic Products

X65 Flat-Face Steel Couplings & Nipples

Series 265, DN6.3 Steel

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Category	Class	Connection	Article Nr	Model Files (.stp)	Drawing Files (.pdf)
Couplings	Female thread	G 1/4"	102651202
Couplings	Female thread	1/4" NPT	102651402
Couplings	Female thread	7/16"-20 ORB	102651602
Nipples	Female thread	G 1/4"	102656202
Nipples	Female thread	7/16"-20 ORB	102656602