Home - VT Pipe PVC pipe, PVC, pipe, water pipe, AWWA, American Water Works Association, sewer pipe, color coded pipe, AWWA C900, SDR 35, re-claimed water, ASTM D3034, iron pipe Vinyltech Corporation is a manufacturer of (American Water Works Association) AWWA C900 water, ASTM D3034 and F679 sewer main PVC pipe products.