Double acting hollow plunger hydraulic jack has all the functions of a general hydraulic jack, can highly improve the convenience and double acting hollow plunger hydraulic jack also has the function of pulling. It also is used for tension PC strands, steel wire, axle and drill rod. 

 
We are a double-acting hollow plunger hydraulic jack supplier and manufacturer, our double acting hollow plunger hydraulic jack for sale around the world, and applied many in large projects, the effect is significant and very durable.
 

Double acting hollow plunger hydraulic jack is very durable and long life, easy to operate and control, especially suitable for some larger projects. Double acting hollow plunger hydraulic jack can be used for lifting heavy machinery, bridge engineering, hydraulic engineering, port construction and other equipment.



According requirements we can customize hydraulic jack for our customers.
1. Double acting hollow plunger hydraulic jack can be used widely in post-tensioning operation for prestressed concrete bridges, foundation anchorage, immense constructions, ground anchorage, marine constructions, etc. projects.
2. Hollow plunger hydraulic jack for post tension is mainly used in to tensioning the PC strands/steel wire of the bridge construction.
3. With double acting hollow hydraulic jack together use the complete set: anchorage, electric oil pump, mixer, grouting pump machine, push machine for PC strand/ steel wire.
4. General tonnage of the hollow hydraulic jacks is based on the anchor's holes to match use.

1. Double acting hollow plunger hydraulic jack version for fast retraction. 
2. Double acting hydraulic jack design can highly improve the convenience. 
3. Baked enamel finish for increasing corrosion resistance. 
4. Hollow hydraulic jack for sale is used for tension PC strands, steel wire, axle and drill rod. 
5. Built in safe valve can protect hydraulic jack when over loading. 
6. Plunger wiper reduces contamination, extending cylinder life.
7. High pressure hydraulic jack is very durable in large projects. 
8. Double acting hollow hydraulic jack cylinder can bear Max loading when Max stroke. 
9. Interchangeable, hardened grooved saddles are standard. 
10. High quality seal ring makes the hollow hydraulic cylinder's life more long, with no oil leakage.  
11. Double acting hydraulic cylinder is easily operated and control. 
12. Leadcrete can design hydraulic jacks in accordance with demands of customers.
13. Double acting plunger hydraulic jack allows for both pull and push forces.
14. Double acting hollow hydraulic jack for sale is safety valve in retract side of cylinder helps to prevent damage over-pressurization.