Komatsu PC400 Excavator Arm Boom Bucket Hydraulic Cylinders
PC400 PC450
ISO9001
High Pressure
Normal Temperature
Double Acting
Straight Trip
Regulated Type
Piston Type
Carbon Steel
JDPARTS
China
Product Details
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. Specification
Material
tube 25Mnb
cylinder rod 45#
max length 12m
max cylinder tube diameter 1.5m
Test pressure
32.4Mpa (330kgf/mm2)
Overload unloading pressure (setting pressure of unloading valve) 35.3Mpa (360kgf/mm2)
Max test pressure 44.1Mpa (450kgf/mm2)
thickness of hardening layer 2.0-3.0mm
chromium plating 0.025mm HV850
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
Operating temperature range of lubricating oil -20oC/+90oC
During the initial operation,all air should be fully discharged and the pressure should be lower than the set pressure of the safety valve
Painting requirements: primer and finish color are original colors