Pneumatic cylinders are easier to install as unlike hydraulic cylinders you don't have to maintain it frequently. Pneumatic cylinders are made with inexpensive materials, and their engineering is quite simple to maintain. While installation of pneumatic cylinder comes at a lower price, hydraulics, on the other hand, costs twice of Pneumatic cylinders. You can enquire any Cylinder Manufactures in Chennai, they all will prefer Pneumatic cylinders for your operation.Read less