All-welded steel isolating ball valve ALSO welded full bore DN20 PN16 of steel 20 All-welded steel isolating ball valve ALSO welded full bore DN150 PN16 made of stainless steel All-welded steel isolating ball valve ALSO welded full bore DN15 PN16 of steel 20 All-welded steel isolating ball valve ALSO welded full bore DN40 PN16 of steel 20 All-welded steel isolating ball valve ALSO welded full bore DN25 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN80 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN65 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN80 PN16 of steel 20 All-welded steel isolating ball valve ALSO welded full bore DN80 PN16 of stainless steel All-welded steel isolating ball valve ALSO welded full bore DN20 PN16 made of stainless steel All-welded steel isolating ball valve ALSO welded full bore DN100 PN16 of stainless steel All-welded steel isolating ball valve ALSO welded full bore DN40 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN65 PN16 of steel 20 All-welded steel isolating ball valve ALSO welded full bore DN150 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN20 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN125 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN65 PN16 of stainless steel All-welded steel isolating ball valve ALSO welded full bore DN50 PN16 of 09G2S steel All-welded steel isolating ball valve ALSO welded full bore DN200 PN16 made of stainless steel All-welded steel isolating ball valve ALSO welded full bore DN100 PN16 of steel 20