... 3.Size:DN25-100,1"-4" 4.Connection: weld,thread,socket 5.Material:SS304,SS316,SS BAV-RH SS304/316/316L ... competitiveValve choosing Solution OfferedManufacture ANSI, API, DIN, BS, JIS, GB standard valvesPressure range from 125LBto 4500LB,and size range from 1 ...