Hydraulic Products, X65 Range - Premium ISO 16028 Flat-Face Quick Couplings

Series 565, DN 12.5 Steel

  • Flat-Face design
  • One-hand operated
  • Extra security locking


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.

Couplings Part No. Connection Length Diameter Hexagon Seal
Female thread 10 565 1105 105651105Rc 1/2" (BSPT)74.838.232NBR
 10 565 1205 105651205G 1/2" (BSP)74.838.232NBR
 10 565 1207 105651207G 3/4" (BSP)76.338.233NBR
 10 565 1405 1056514051/2" NPT74.838.232NBR
 10 565 1215 105651215G 1/2"74.838.232FPM
 10 565 1217 105651217G 3/4"74.838.232FPM
 10 565 1605 1056516053/4"-16 UNF (1/2" SAE)74.938.232NBR
 10 565 1295 105651295G 1/2" JIS ORB74.937.832NBR
Male thread 10 565 1554 105651554M18x1.5 12L74.937.832NBR
 10 565 1555 105651555M22x1.5 15L75.937.832NBR
 10 565 1557 105651557M18x1.5 12LS bulkhead99.937.832.24NBR
 10 565 1558 105651558M22x1.5 15LS bulkhead101.937.832.30NBR
 10 565 1756 10565175613/16"-16 ORFS bulkhead10537.832.30NBR
 10 565 1758 1056517581"-14 ORFS bulkhead107.940.536NBR


Coupling Part No. Connection Length Diameter Hexagon Seal
Female thread 10 565 1606 1056516067/8" - 14 UNF (5/8" SAE)----
 10 565 1607 1056516071 1/16"-12 UN (SAE 3/4")--38NBR


Push-pull couplings Part No. Connection Length Diameter Hexagon Seal
Female thread 10 565 1285 105651285G 1/2"74.838.232NBR


Nipples Part No. Connection Length Diameter Hexagon Seal
Female thread 10 565 6105 105656105Rc 1/2"71.435.932NBR/PUR
 10 565 6205 105656205G 1/2"71.435.732NBR/PUR
 10 565 6215 105656215G 1/2"71.435.732FPM
 10 565 6207 105656207G 3/4"72.936.733NBR/PUR
 10 565 6217 105656217G 3/4"72.936.733FPM
 10 565 6405 1056564051/2" NPT71.535.932NBR/PUR
 10 565 6605 1056566053/4"-16 ORB71.535.732NBR/PUR
 10 565 6296 105656296G 1/2" JIS ORB71.535.732NBR/PUR
 10 565 6606 1056566067/8" - 14 UNF (5/8" SAE)---NBR/PUR
 10 565 6607 1056566071 1/16"-12 UN (SAE 3/4")--38NBR/PUR
Male thread 10 565 6554 105656554M18x1.5 12L71.536.232NBR/PUR
 10 565 6555 105656555M22x1.5 15L72.536.232NBR/PUR
 10 565 6557 105656557M18x1.5 12LS bulkhead96.536.232.24NBR/PUR
 10 565 6558 105656558M22x1.5 15LS bulkhead98.536.232.30NBR/PUR
 10 565 6756 10565675613/16"-16 ORFS bulkhead101.535.732.30NBR/PUR
 10 565 6758 1056567581"-14 ORFS bulkhead104.540.536NBR/PUR


Check with an authorized CEJN distributor for availability and prices. Other connections and sealing material on request. Some part numbers may be subject to minimum order quantities. CEJN reserves the right to make changes without further notification. Thread connections are listed according to ISO Standards. All measurements are in mm.
Technical data
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/PUR, other sealing materials on request)
Max. working pressure connected: 400 bar (5801 PSI)
Max. working pressure disconnected: 400 bar (5801 PSI)
Min. burst pressure connected: 1200 bar (17404 PSI)
Min. burst pressure disconnected: 1200 bar (17404 PSI)
Connectability: Only limited by operator strength
Disconnection under pressure: Not allowed
Interchangeable with: All brands dimensionally interchanging with ISO16028

Rated flow is measured at 14.5 PSI pressure drop.

Pressure drop chart
Pressure drop, PSI Series 565, DN 12.5 Steel Flow, GPM

Available files for download

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