Ultra High-Pressure Hydraulic Products, Couplings & Nipples

Series 135 - 43,500 PSI (3000 bar)

Series 135 is a CEJN original for extremely high working pressure, 43 500 PSI. The series also withstands pressure up to 43,500 PSI while disconnected (applies to the coupling and nipple). Non-drip connection and disconnection are standard on the CEJN high pressure range. The coupling also has a safety ring for the locking sleeve to prevent accidental disconnection. Plastic dust caps are standard on both coupling and nipple. The nipple is available in both swivel and non-swivel designs. Each coupling and nipple are pressure tested up to full working pressure before delivery. The 135 series makes it possible to connect pumps and accessories faster, safer and more conveniently. The 135 series is primarily recommended for bearing pullers, splitters and hydraulic test installations.

Couplings Part No. Remark Connection Length Diameter Hexagon Max rec. press. cycles Rec. torque (Nm) Rec. seal. method
Female thread with 60° sealing cone 10 135 1505 101351505-M16x1.56430221000/500040-5060° cone


Nipples Part No. Remark Connection Length Diameter Hexagon Max rec. press. cycles Rec. torque (Nm) Rec. seal. method
Female thread with 60° sealing cone 10 135 6505 101356505Standard designM16x1.555.32522100040-5060° cone
 10 135 6506 101356506Non-swivel designM16x1.555.32522500040-5060° cone


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
Nominal flow diameter: 2.5 mm (3/32")
Flow capacity: 4.6 l/min (1.0 GPM UK)
Max. working pressure: 300.0 MPa
Min. burst pressure: 600.0 MPa
Temperature range: -20°C — +80°C (-4°F — +176°F)
Material coupling: Hardened black finish steel
Material nipple: Hardened black finish steel
Material seal: Nitrile (NBR) other sealing material on request

Flow capacity is measured at 58 PSI (4 bar) pressure drop.

Oil Flow
Pressure drop, PSI Series 135 - 43,500 PSI (3000 bar) Flow, GPM

Available files for download

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