All above specifications are meant to be used for basic comparison and information purposes only. Please verify with the above manufacturers directly.
In order to have been selected for this list the above mentioned products would be considered to be of the highest quality. When engineers specify vibration control or thermal break products or brands they generally add the “or approved equivalent” option. Typically lead time and pricing become determining factors once the engineer on record has verified the selected product meets the design criteria.
Benchmark makes no further representations.
VIBSORB structural expansion bearings, or slide bearings, accommodate thermal expansion and structural rotation in buildings, bridges and pipe supports. VIBSORB designs and manufactures several types of expansion bearings for a wide range of applications, also including Teflon® bridge bearing pads. The expansion bearings are supplied as an upper and lower unit prepared to be tack or stitch welded in the field.
VIBSORB type expansion bearings are used when construction tolerances, high load, and rotation are prominent with beam spans being excessive. This bearing is the most resilient in our full line of expansion bearings.
VIBSORB type slide bearings are used when construction tolerances and loads are moderate. This bearing has a very low coefficient of friction which is exceptional for use where expansion is large.
VIBSORB type slide bearings are used as well when construction tolerances and loads are moderate. This bearing has a higher coefficient of friction than the VIBSORB expansion Bearing and is used where the expansion criterion is limited.
VIBSORB slide bearings can be made with holes and slots, if required, to allow for mechanical attachment of expansion units to steel structures or for anchoring to concrete structures.
Benchmark also offers VIBSORB type expansion bearings made with graphite to achieve effective performance in high temperature environments.