Series of specifications and design parameters of J-75-type expansion joint device series telescopic amount in the range of 0 ~ 1040mm. Its installation is reserved slot size, model and design parameters D40 bridge expansion, as listed in Table 5-2 and Figure 5-6. XF-type bridge expansion joints main design parameters: XF-type bridge expansion joint device, depending on the arrangement of the supporting beams form divided into A, B and C three kinds. Their relevant design parameters such as type A is listed as shown in Figure 5-15 and Table 5-5. Hao-telescopic device manufacturers sales, D40 bridge expansion, bridge expansion devices provided by Hao-engineering rubber. Search for "grid bearings, bridge expansion joints, water stop, bridge bearings, rubber bearings, spherical steel bearing" fly suppliers, network operators choose to have a full alliance Certified: Engineering Rubber Co., Ltd. Hengshui HaoTong (www.htgcxj.com), trustworthiness and reliability, "business alliance customer service" on page now click on live chat with us now!