• Zongjiu Machinery
  • Our products include hydraulic cylinder, pneumatic cylinder,solenoid valve, quick joint and other pneumatic and hydraulic component.
  • Coal mining cylinder

  • Coal mining cylinder
  • Coal mining cylinder
  • Zongjiu Machinery is a professional manufacturer of various hydraulic cylinders for coal mining machinery, which is equiped with high reputation seals, no leak.
  • When the cylinder's diameter is 1m , maximum stroke is 15m;When it's diameter is 1.5m,maximum stroke is 2m;

  • Max. Working Pressure: 40MPa
  • Min. Operating Pressure: less than 0.5MPa

  • Operating Speed Range (Not including Cushion Parts): less than 200mm/s (We can also supply other speed range according to customer's requirements)

  • Operating Temperature (Ambient Temperature and Oil Temperature): -10 to +80 ? (But do not use when oil frozen). If you are interested in our products or have other request about operating temperature range, please don't hesitate to contact us.
  • New Product Information
  • Hydraulic cylinder
  • Telescopic cylinder
  • Hydraulic ram
  • Tie rod hydraulic cylinder
  • Compact hydraulic cylinder
  • Hydraulic power units
  • unclamping cylinder