CEJN Series 565 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 565 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 565 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 16 (Series 665), DN 19 (Series 765), DN 25 (065). For a stainless steel version see Series 566. Nipples with pressure eliminator available under Series 564.

Download drawings/3dmodels

Technical data
Nominal flow diameter:	1/2" (12.5 mm)
Rated flow:	12.5 GPM (47.2 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 (250 bar) 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:	NBR/PUR or FPM, 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	105651105	Rc 1/2"	74.8	38.2	32	NBR
	105651205	G 1/2"	74.8	38.2	32	NBR
	105651215	G 1/2"	74.8	38.2	32	FPM
	105651207	G 3/4"	76.3	38.2	33	NBR
	105651217	G 3/4"	76.3	38.2	33	FPM
	105651405	1/2" NPT	74.8	38.2	32	NBR
	105651605	3/4"-16 ORB	74.9	38.2	32	NBR

Push-pull couplings	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	105651285	G 1/2"	74.8	38.2	32	NBR

Nipples	Part No.	Connection	Length	Diameter	Hexagon	Seal
Female thread	105656105	Rc 1/2"	71.4	35.9	32	NBR/PUR
	105656205	G 1/2"	71.4	35.7	32	NBR/PUR
	105656215	G 1/2"	71.4	35.7	32	FPM
	105656207	G 3/4"	72.9	36.7	33	NBR/PUR
	105656217	G 3/4"	72.9	36.7	33	FPM
	105656405	1/2" NPT	71.5	35.9	32	NBR/PUR
	105656605	3/4"-16 ORB	71.5	35.7	32	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 565, DN 12.5 Steel

Hydraulic Products

X65 Flat-Face Steel Couplings & Nipples

Series 565, DN 12.5 Steel

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Category	Class	Connection	Article Nr	Model Files (.stp)	Drawing Files (.pdf)
Couplings	Female thread	Rc 1/2"	105651105
Couplings	Female thread	G 1/2"	105651205
Couplings	Female thread	G 3/4"	105651207
Couplings	Female thread	1/2" NPT	105651405
Couplings	Female thread	3/4"-16 ORB	105651605
Nipples	Female thread	Rc 1/2"	105656105
Nipples	Female thread	G 1/2"	105656205
Nipples	Female thread	G 3/4"	105656207
Nipples	Female thread	1/2" NPT	105656405
Nipples	Female thread	3/4"-16 ORB	105656605