Enerpac Hydraulics [India] Pvt. Ltd. Manufactures Push Cylinders, in WP series, Collet-Lok®. Enerpac Hydraulics [India] Pvt. Ltd. Produces high-force tools, equipment and accessories applicable in the industrial markets. The Push Cylinders are applicable when live hydraulics is not available. Its double-acting allows fully automated operation. It ensures an additional level of safety because live hydraulics is not needed. These Push Cylinders can be either be threaded into the fixture or mounted by the flange.