... ,BS,EN. 4.working press: CLASS 150~2500,PN2.5~400 Production: flangeType:WN/SO/PL/BL/TH/SW/LFMaterial:carbon ... according to requirement Other details : American Series:CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500European Series ... 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400 Applications range:Water conservancy, electric power,power station, pipe ...