● Double-acting, return quickly.  

● Hollow plunger design allows for both pushing and pulling forces. 

● High strength alloy steel for long durability 

● Dustproof ring reducing contamination to extend the using life of hydraulic cylinder.

The double-acting hollow hydraulic cylinder is developed according to  international advanced technique and China national actual situations, and  it adopts ultra-high pressure electric oil pump produce doy our factory to  finish various works like tension, lifting, disassembly and so on. It applies  widely on roads, railway, power station, bridge building, ground anchorage， landslide treatment, lifting large weight, continuous pushing large overweight,  remove interference fit tool and etc.

Technical Parameters 

We can produce non-standard jack and all kinds of cylinder. The specifications in this chart might change because of developments, please understand we  won’t notice specially.