6 flang July 8, 2019 16 32 64 128 6 flange 6 flange dimensions 6 flange gasket 6 flange size 6 flange diameter 6 flange 150 dimensions 6 flange 150 6 flange hole 6 flange bolt size 6 flange adapter 6 flanged gate valve 6 flange od 6 flanged check valve 6 flanged tee 6 flange bolt kit