Seismically Rated Isolator- Attachment To Concrete Structure

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Seismically Rated Isolator- Attachment To Concrete Structure (ICSSC)

Isotech’s ICSSC series of seismically rated floor mounted restrained isolators provide vibration isolation and restraint for mechanical systems and equipment for seismic and high wind load applications. The ICSSC isolators are available for 1”,2”,3” and 5” deflection vibration isolation applications and include formed/welded hot-dip galvanized housing designed to limit vertical and lateral movement of the top support plate caused by seismic or wind loading. The side limit bolts built within the snubbers allow for significant fluctuation in operating weight while preventing additional stress on connected piping, by limiting the upward lift of the equipment when drained for service purposes. All models use uniquely engineered springs that are designed to provide a minimum of 50% additional travel to solid and are powder-coated and color-coded for superior corrosion protection and ease of identification. All other hardware is zinc plated, including the adjustment nut, restraining bolts, and support rod. The housings are hot-dipped galvanized to endure a variety of environments. Applications include indoor and outdoor mechanical equipment isolation with lateral loads and changes in operating weight, located in seismic zones or where wind loading could be an issue.

Seismically rated Anchors require certain installation conditions to provide the capacity needed for lateral load. Anchor size, along with anchor embedment, anchor spacing, and anchor edge distance must be provided by the engineer based on seismic / wind load calculations. With the application of an additional oversized base plate, designed to provide sufficient anchor spacing, ISCSA-2C models are designed for installation on concrete structures and can provide minimum 1 g restraint in all directions.

Competitive Advantages: ICSSC  is engineered to meet all the requirements for HVAC application and have a minimum of Kx/Ky= 1 and 50% over-travel and yet offer low profile spring design. This would be a significant advantage when there is a limitation in installation height. Isotech developed a line of springs that is incorporated into various isolation products and capacities by side to side and nesting combinations, resulting in minimum spring inventory and therefore reducing cost to provide Isotech with the advantage of selling at a competitive price. 

The housing is engineered and developed with high yield steel material that offers significant improved resisting uplift and lateral seismic capacities compared to equivalent competitors’ product, resulting in higher capacities for a lower manufacturing cost, therefore providing Isotech with the cost competitiveness over other vendors in the industry. The overall isolator has precompression feature, which offers the installing contractor system significant height saving and remarkable labour savings for the overall installation. For maximum corrosion protection, the housing has hot-dip galvanized finish.

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Seismic Concrete Attachment

Deflection (Inch)

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