‘Hydraulic Cylinder’ Category

Double Acting Hydraulic Cylinders

Double acting hydraulic cylinders
Double Acting Hydraulic Cylinders – High Performance


Cylinder Specifications:
Nominal working pressure: 250 bar (25 MPa)
Maximum working pressure: 320 bar (32 MPa)
Liner: E355 SR EN 10305 -1 steel liner, polished inside
Ra End plug: S355JR – ASTM A105 steel
Rod: Alloy steel 42CrMo4 +QT chromed Ra 9 ISO 10289.
Rods with corrosion resistance on request 500h, 1000h
Pilot boss: Steel C45.
Piston: Steel C45

Sealing system:
Double rod seal, main one in PTFE + Bronze and secondary one in polyurethane. Piston seal in PTFE + Bronze with energizing ring in NBR90 and anti-extrusion rings in PTFE.
Rod and piston seals in phenolic resin.
O-rings in NBR70, Anti-extrusion rings in polyester.

Hydraulic testing:
Each cylinder undergoes hydraulic testing at 350 bars (35MPa) of pressure.

Terms and conditions:
Cylinders are supplied unassembled with feed ports closed with threaded, sealed plugs.
Special coatings can be applied on customer request.

Suggested fluid:
hydraulic mineral oil, minimum filtration fineness 19/15 a,ISO 4406.

Operating temperature:

from -20°C to 80°C. It is recommended to maintain fluid temperatures of 40÷50°C while in operation in order to maximize seal life.