The vibration isolation curbs shall be complete assemblies designed to resiliently support equipment at the specified elevation and shall constitute a fully enclosed air- and weather-tight system. They are designed with a 3 inch deflection spring at maximum load, with the load varying for each model, between the range of 800 lbs to 16000 lbs.All rooftop air-handling units shall be supported by vibration isolation curbs as manufactured by Kinetics Noise Control. SMR-4-500 3" Deflection Spring Isolator/ Restrainer: Features heavy-duty restrainers designed for cooling towers, air conditioner units, inertia bases and more. The rated load varies for each model, starting from 200 lbs to 4000 lbs. SMR-1-500 3" Deflection Spring Isolator/ Restrainer: These seismic restrained spring vibration isolators incorporate a 3-inch deflection- spring at rated load. SRMT-15-350 Spring Isolator/Restrainer: Features heavy-duty restrainers with a rated load varying between 2100 to 19500 lbs for 1拻 deflection and 1200 to 28500 lbs for 2 inch deflection. It is available only for custom applications. Also features an anti-skid rubber acoustical pad to further limit unwanted lateral movement. SRMT-9-350 Spring Isolator/Restrainer: These spring isolator mounts have a zinc-plated housing and springs for optimal corrosion resistance. It has the same functions as that of SRMT 1 and SRMT 2 mounts but with a bigger load capacity. Can take up to 50 percent of the rated load. SRMT-4-350 Spring Isolator/Restrainer: Features an elastomer spring base cap designed to optimize vibration isolation, noise cancellation and load distribution. Passes the ASHRAE 171-2017 standards for wind and seismic load resistance.They are very similar to SRMT1 mounts but with 2 springs in the housing for greater load capacity. SRMT-2-350 Spring Isolator/Restrainer Vibrasystems: Features heavy-duty seismic restrained damping mount in a rugged steel housing with colour-coded springs for easy replacement, if required. Available in flat top and bolted top configurations. SRMT-1-350 Spring Isolator/Restrainer- Features unique sliding channels that can handle both lateral as well as vertical loads. It is designed for equipment with minimal lateral loads such as fans, pumps, compressors and HVAC systems. SRMT 020/120/100 Spring Isolator/Restrainer- Features 50 percent extra load accommodation from the rated load. To place an inquiry about our products or to know more about codes, compliances, pricing and more, contact us at 90 today. Our seismic restrained spring mount isolators are certified by TRU Compliance, a leading wind and seismic product certification agency in North America. spring mounts pass the ASHRAE 171-2017 standards. Once the modelling and forces have been calculated, the isolator mount can be chosen. The construction material of the non-structural component.Ģ. The elevation and position of the non-structural component with respect to the structure. The data about the seismic zone where the equipment is to be installed. To determine the horizontal force, it's important to obtain: Approximately calculate the horizontal and vertical forces acting upon the equipment during a seismic event or disaster. There are 2 fundamental parameters to effectively choose seismic/vibration-damping mounts for particular equipment:ġ. Also known as spring travel, and can be alternatively defined as the distance travelled by a spring when it is in the loaded position.Ĭomponents Of Designing A Seismic Restraint Isolator: It is an action of the spring when a force is applied or released. Spring deflection is defined as the motion of the spring due to the application or release of a given load. It prevents or minimizes the high-frequency vibration from a machine or HVAC system from being transferred to the building via spring deflection. Their main purpose is to isolate the building from the vibration coming from the machines and equipment.Ī seismic restraint is a design of the spring mount which function is to prevent non-structural elements such as machines from moving or vibrating and withstand horizontal and uplift forces during seismic events and other natural disasters.Ī spring isolator mount comprises laterally stable zinc-plated springs mounted in a sturdy steel housing. offers seismic restrained spring mount isolators for the building and construction industry. ASHRAE 171-2017 Certified Seismic Restrained Spring Mounts
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