The AW & AWH styles are recommended to be used directly under most HVAC equipment and in conjunction with structural steel bases and concrete inertia blocks. Based on the specific requirements, a mix of unique isolation tactics for example elastomeric pads, pneumatic isolators, and active control systems might be used. https://lanelgxsl.get-blogging.com/39634640/about-spring-isolator-for-high-load-mechanical-systems