Viega ProPress Zero Lead ball valvesViega ProPress Zero Lead ball valves are manufactured from a silicon-bronze alloy; they are forged and constructed with double stem seals. The connect feature helps installers identify unpressed fittings during pressure testing. Certified to ASME A112.4-2004 and NSF-61G in sizes from 1/2 to 2 in., the ball valves are suitable for use with Viega ProPress fittings in copper for potable water applications.

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