Zinko URD-500H20 500 Ton 8" Ultra High Pressure 30,000 Psi Cylinder


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Zinko URD-500H20 500 Ton 8" Ultra High Pressure 30,000 Psi Cylinder

*Image is for reference only, real product may differ.

The ultra high pressure double-acting cylinders offer lighter weight and higher efficiency due to their higher operating pressures, excellent replacement cylinders for tight spaces and in situations where weight is critical. These units can be found operating in nuclear power plants, diamond processing plants and shipyards around the world.


  • Manufactured from extremely high strength lightweight alloy to endure high operating pressures while keeping weight to the bare minimum.
  • Hard chrome plated ram to endure harsh environments and extend cylinder useful life.
  • Designed with high lateral load tolerance of up to 50% of lifting capacity.
  • Double acting design increases controllability of cylinders allowing smooth operation of equipment.
  • Larger units are equipped with carrying handles to ease transport and placement of cylinders.


Model Number  Stroke (in)  Oil capacity (in3)  Cylinder Effective Area (in2)  Collapsed Height  Outside Diameter  Head Diameter (in) Ship Weight (lbs)
  A   D   C
URD-500H20 7.87 311.22 39.44 21.26 11.42 6.70 540



Zinko URD Series flyer 



ZINKO makes every effort to assure that its products meet high quality and durability standards and warrants to the original retail consumer/purchaser of our products that each product be free from defects in materials and workmanship as follows:

1 year limited warranty on all ZINKO products unless specified otherwise. Warranty does not apply to defects due directly to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities or to a lack of maintenance. ZINKO LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE FROM THE DATETHE PRODUCT WAS PURCHASED AT RETAIL. EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTIES ORMERCHANTABILITY AND FITNESS ARE EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOWLONG THE IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.

In no event shall ZINKO be liable for incidental or consequential damages. The liability of ZINKO on any claim for loss or damage arising out of the sale, resale, or use of a jack or related service equipment shall in no event exceed the purchase price. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTALOR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.

To take advantage of this warranty, the product or part must be return for examination, postage prepaid, to an Authorized Repair Station designated by our Ontario, California office. Proof of purchase date and explanation of the complaint must accompany the merchandise. If our inspection discloses a defect, ZINKO will either repair or replace the product or refund the purchase price if we cannot readily and quickly provide a repair or replacement, if you are willing to accept such refund. ZINKO will return repaired product or replacement at ZINKO expense. If it is determined there is no defect, or that the defect resulted from cause not within the scope of ZINKO warranty, then the user must bear the cost of storing and returning the products. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. For service contact your local distributor.