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pipe fitting PVC elbow Product characteristics   1. High ring stiffness, wall use of reasonable hollow ring structure, greatly improving the pipe's ring stiffness. in the same materials, can accept more of the environmental pressure 2 Fluid resistance small, inside sleek, friction less than concrete 3 Connection sealing well, using elastic seal socket connection, Sealing better than the metal tube and concrete pipe 4 Bear acid alkali and Sault corrosion 5 Easy to construction, light weight, enough length, low requirement for environment, lower project cost 6 Long service life, Pipe resistance to wear   pipe fitting PVC elbow Product facility Municipal engineering and construction buried drainage, sewage pipe   post and telecommunication cables, cable the casing used underground   the embedded casing of highway and railway   Farmland irrigation pipeline pipe fitting PVC elbow produts show