Secondary spring for railway bogies, Trelleborg AVS hourglass vibration-damping rubber.

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Vibration-damping rubber shaped like an hourglass or gourd. There is also a version coated with fire-retardant paint. Developed and designed exclusively by Trelleborg AVS in the UK. Recommended for secondary springs in railway vehicles (subways, trams, new transportation systems, freight cars). The amount of rubber deflection in the shear direction can be selected from a range of 40mm to 100mm. Option to choose Trelleborg AVS's original flame-retardant fire prevention paint specification. The unique shapes resembling an "hourglass" or "gourd" are charming features. This product is produced in the UK and will be imported. It is made to order only. It is not available for stock sale. There is a 'Half Glass' version shaped like a cooking bowl. On the product information page, there is a video showing the process from ignition to extinguishing after applying the fire-resistant paint 'Dragon Coat'. Please take a look.