http://www.pipingtech.com/blog/2010/11/15/200-e-type-constant-spring-and-3-bolt-pipe-clamp-assembly-for-a-power-plant-in-south-carolina/ View standard and custom designed pipe supports from our past projects. Look at up-close pictures of variable spring hangers, constants and big ton springs. Read the project details, including specifications for a wide range of engineered products and services for various industries and applications. hourly 1 http://wordpress.org/?v=3.1