Pragati Automation Pvt. Ltd. Manufactures Closed Centre Cylinder with Safety Valve and Proximity Sensors. Pragati Automation Pvt. Ltd. Manufactures Machine Tool Accessories particularly for CNC Machines. The Closed Centre Cylinder with Safety Valve and Proximity Sensors is designed for high rotational speeds to suit requirements of modern CNC machines. The Closed Centre Cylinder comes with compact design with high-strength aluminium components for long life and low moment of inertia. The Closed Centre Cylinder with Safety Valve and Proximity Sensors Fitted with built-in, pilot operated check valves; to retain pressure in the event of hydraulic failure. The Closed Centre Cylinder with Safety Valve and Proximity Sensors has Working Pressure up to 40 bars.