end thread
9.Tests are carried out to study the main mechanical properties of steel fiber reinforced concrete pole fabricated by centrifugal shaping method without tension thread: cracking strength,crack distribution and width,top-end deflection and ultimate resistance.
10.Available with an extensive combination of inlet/outlet sizes, types of thread, and end connections ?including retrofit compression fittings and hose connections?the Series 7 can be installed in a variety of piping configurations, and in conjunction with a wide range of meter horns, copper setters, and meter boxes.


