5.10.3 Peet Valves
Resilient seated peet valves shall be installed on rider mains.
These valves are to be resilient seated and shall be constructed from ductile iron complying with AS/NZS 1831 and will include specific connections for joining to the standard 63 mm OD PE pipe.
Use of ball valves is not permitted on 50 mm mains.
The hand wheel shall be constructed of either heat insulting nylon or cast/ductile iron. Cast aluminium or painted pressed steel hand wheels are not permitted.
All peet valves shall be installed in accordance with Drawing WS 10.