Pragati Automation Pvt. Ltd. Offers Power Chucking Cylinders with Built-in Safety. Pragati Automation Pvt. Ltd. Manufactures Machine Tool Accessories particularly for CNC Machines. The Power Chucking Cylinders with Built-in Safety comes with compact design with aluminium cylinder for low moment of inertia. The Power Chucking Cylinders with Built-in Safety are fitted with built-in. Pilot operated check valves to retain pressure in the event of hydraulic failure. The Power Chucking Cylinders is also supplied with coolant collector and stroke-sensing proximity switches. The Power Chucking Cylinders with Built-in Safety has Working pressure up to 40 bars.