Range of hydraulic cylinders

Our professional design includes the production of hydraulic cylinders up to:
> max pressure: 750Mpa
> max length: 6000mm
> max stoke: 5000mm
> max tube: 1500mm

We provide seals kits NOK and Parker and the range of our products consists of:
> construction hydraulic cylinder
> excavator hydraulic cylinder
> dozer hydraulic cylinder
> loader hydraulic cylinder
> telescopic cylinder
> industry cylinder
> boat cylinder
>mining cylinder
> small cylinder
> piston cylinder 
> double cylinder

Our cylinders are suitable for all brands of construction machinery, for example:
Komatsu, Hitachi, Caterpillar, Sumitomo, Kobelco, Doosan, Volvo, Hyundai, Xiagong,
Longgong, Shantui, and many others.


Specifications

1. Material

• tube 25Mnb
• cylinder rod 45#
• max length 12m
• max cylinder tube diameter 1.5m

1. Test pressure

• 32.4Mpa (330kgf/mm2)

1. Overload unloading pressure (setting pressure of unloading valve) 35.3Mpa (360kgf/mm2)
2. Max test pressure 44.1Mpa (450kgf/mm2)
3. Instantaneous boost pressure 34.3Mpa (350kgf/mm2)
4. Cylinder output flow 420L/min.
5. Cylinder rod surface

• high-frequency heat treatment HRC52-60
• thickness of hardening layer 2.0-3.0mm
• chromium plating 0.025mm HV850

1. Carburizing or high-frequency heat treatment of the inner surface of the bearing bush HRC52-60, thickness 1.5-2. After assembly and testing, the oil port is blocked
2. Operating temperature range of lubricating oil -20oC/+90oC
3. During the initial operation,all air should be fully discharged and the pressure should be lower than the set pressure of the safety valve

1. Painting requirements: primer and finish color are original colors
2. Wooden case packing

All service Right from China JDparts