pipe for the sprinkler system. Then, shortly after the tap, install a full-flow ball valve. Merle Henkenius Install a full-flow ball valve so you can service the backflow preventer without ...

Screw on the new ball valve, install the old nipple and the new leather washer (use Teflon tape or pipe dope on the threads).

On receipt of the coker ball order from Sasol ... will oversee the installation, commissioning and actuation of the valve. Managing director of Heaton Valves Africa, Grant Harris stated that ...