Type GQF-Z80 bridge expansion device features:
Low building height, homemade hot rolled profiled steel forming the overall height of only 50mm, has the advantages of simple structure, convenient installation, obvious reliability, comfort and durability. Suitable for pavement thickness is equal to or greater than 80mm and less than or equal to a variety of bridge expansion of 80mm, both for the convenience of the old bridge device replacement, and can be used for the new bridge built in use.
The middle type GQF-C bridge expansion device of rubber sealing strip the technical requirements: the use of chloroprene rubber (CR) sealing expansion device and temperatures for rubber belts for -25 -+60 DEG C area. The use of natural rubber (NR) sealing telescopic rubber belt joint device applicable to the temperature of -40 DEG -+60 DEG area.