CEJN Series 765 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 765 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 765 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 6.3 (Series 265), DN 10 (Series 365), DN 12.5 (Series 565), DN 16 (Series 665), DN 25 (Series 065). For a stainless steel version see Series 766. Nipples with pressure eliminator available under Series 764.

Download drawings/3dmodels

Technical data
Nominal flow diameter:	3/4" (19 mm)
Rated flow:	26.4 GPM (100 l/min)
Max. working pressure connected:	5800 PSI (400 bar)
Max. working pressure disconnected:	5800 PSI (400 bar)
Min. burst pressure connected:	17400 PSI (1200 bar)
Min. burst pressure disconnected:	17400 PSI (1200 bar)
Static pressure applications:	Approved to max. working pressure
Dynamic pressure applications:	Max. working pressure 3625 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) + PUR (other sealing materials on request)
Connectability:	Without pressure
Disconnection under pressure:	Not allowed

Rated flow is measured at 14.5 pressure drop.

Pressure drop chart

Pressure drop, PSI

Flow, GPM

Couplings	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	107651103	Rc 1"	99	46	41	NBR
	107651201	G 3/4"	99	46.2	41	NBR
	107651211	G 3/4"	99	46.2	41	FPM
	107651203	G 1"	99	46.2	41	NBR
	107651213	G 1"	99	46.2	41	FPM
	107651403	1" NPT	98.8	46.2	41	NBR
	107651603	1 5/16"-12 ORB	99.8	50.2	45	NBR

Push-pull couplings	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	107651281	G 3/4"	99	46.2	41	NBR

Nipples	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	107656103	Rc 1"	93	46	41	NBR/PUR
	107656201	G 3/4"	93.1	46.2	41	NBR/PUR
	107656211	G 3/4"	93.1	46.2	41	FPM
	107656203	G 1"	93.1	46.2	41	NBR/PUR
	107656213	G 1"	93.1	46.2	41	FPM
	107656403	1" NPT	92.9	46.2	41	NBR/PUR
	107656603	1 5/16"-12 ORB	93.9	50.2	45	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 765, DN19 Steel

Hydraulic Products

X65 Flat-Face Steel Couplings & Nipples

Series 765, DN19 Steel

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Category	Class	Connection	Article Nr	Model Files (.stp)	Drawing Files (.pdf)
Couplings	Female thread	G 1"	107651203
Couplings	Female thread	1 5/16"-12 ORB	107651603
Nipples	Female thread	Rc 1"	107656103
Nipples	Female thread	G 3/4"	107656201
Nipples	Female thread	G 1"	107656203
Nipples	Female thread	1 5/16"-12 ORB	107656603