Cased spring isolators with leveling adjustment are designed to provide superior vibration isolation and precise leveling for various types of machinery and equipment. The top casing is guided with the body of the isolator which restrains lateral movement. Having a single spring of various load capacities makes it suitable for light to medium weight machines. These isolators combine the vibration-damping properties of springs with the stability and adjustability of a cased design, making them ideal for applications such as AHU, Axial Fans, Chillers, DG Sets, HVAC, Pipe supports etc.