High Quality DZR Brass Tested Gate Valve available in sizes 15mm (1/2”), 20mm (3/4”), 25mm (1”), 32mm (11/4”), 40mm (11/2”), 50mm (2”), 80mm (3”) and 100mm (4”) | Watermarked DZR Brass Tested Gate Valve AS1628. Has been tested and given a watermark certificate that complies with the plumbing code of Australia.