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Professional Hitachi Excavator Ex300-5 Ex350 Arm Boom Bucket Hydraulic Cylinders

China Professional Hitachi Excavator Ex300-5 Ex350 Arm Boom Bucket Hydraulic Cylinders, Find details about China Hitachi Ex350-5 Bucket Cylinder, Hitachi Ex350-5 Arm Cylinders from Professional Hitachi Excavator Ex300-5 Ex350 Arm Boom Bucket Hydraulic Cylinders

Model NO.
EX350 EX300-2 EX300-3 EX300-5
Origin
China
HS Code
8431499000
Model NO.
EX350 EX300-2 EX300-3 EX300-5
Origin
China
HS Code
8431499000
Professional Hitachi Excavator Ex300-5 Ex350 Arm Boom Bucket Hydraulic CylindersRange 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.

Professional Hitachi Excavator Ex300-5 Ex350 Arm Boom Bucket Hydraulic Cylinders
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 packingProfessional Hitachi Excavator Ex300-5 Ex350 Arm Boom Bucket Hydraulic Cylinders
All service Right from China JDparts

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