... ,ANSI B16.47 ,GB,DIN,JIS ,BS,EN. 4.working press: CLASS 150~2500,PN2.5~400 Production: flangeType:WN/SO/PL/BL ... according to requirement Other details : American Series:CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500European Series:PN 2.5, PN 6, PN ... 63, PN 100, PN 160, PN 250, PN 320, PN 400 Applications range:Water conservancy, electric power,power station, pipe fittings ...