The spring and cup design allows for easy replacement or changing of springs when required and all springs are color-coded for ease of identification in the field. Low frequency T-Series steel springs are located within the housing and are seated in an elastomeric acoustical cup that provides high frequency attenuation and eliminates metal-to-metal contact. Mechanical equipment can be positively attached to the top housing by utilizing the pre-drilled bolt holes or by welding directly to the housing. To achieve accurate installation heights, The VMC Group has incorporated an installation spacer between the lower and upper housing.Īfter the equipment is installed and the isolators are properly adjusted, there will be no difference between the installed and operating heights. Combined, the restraint bolts and bushings act as the internal snubbing devices for the isolator. The top housing incorporates seismic restraint bolts that pass through the lower housing and are protected in all directions by an elastomeric bushing. The MS style isolator has internal spring adjustment. To minimize, the code required seismic loads on the isolated equipment, the housing is designed to limit equipment motion to ¼” in horizontal directions due to wind or seismic loads. MS Series Isolators, combine our open spring mountings within a rugged welded seismically rated steel housing.
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