Technical Data Sheet TechnicalDataSheetBFV_U-Type General Standards: Pressure rate 10 bar: Pressure rate 16 bar: Test pressure seal: 11 bar Test pressure seal: 17,6 bar Test pressure body: 15 bar Test pressure body: 24 bar Face to Face: EN 558-1, Series 20 Flanges: DIN 2501 Bonnet Flange: ISO 5210 Test Standards: API 598, EN 12266 No 5 4 3 2 1 Size of Butterfly Valve DN80 - DN350 Measurements: DN D1 D2 D2 D3 D4 D5 T N-d N-d 4-d1 A B C D PN10 PN16 Square PN10 PN16 80 78,8 160 160 35 50 65 9x9 8-18 8-18 7 276 181 29 46 100 104,0 180 180 55 70 90 11x11 8-18 8-18 10 276 170 29 52 125 123,3 210 210 55 70 90 14x14 8-18 8-18 10 340 213 29 56 150 155,7 240 240 55 70 90 14x14 8-22 8-22 10 365 226 29 56 200 202,4 295 295 70 102 125 17x17 8-22 12-22 12 435 260 41 60 250 250,4 350 355 70 102 125 19x19 12-22 12-26 12 493 292 41 68 300 301,5 400 410 70 102 125 22x22 12-22 12-26 12 579 337 41 78 350 333,3 460 470 70 102 125 22x22 16-22 16-26 12 631 368 41 78 Body PN16-GGG40, PN10-GGG40 / GG25 Disc GGG40 Epoxy- or Nylon coating Seat EPDM / NBR Shaft SS240 / SS431 UV Butterfly Valve - U-Type, DN80 - DN1.200 Name of Part Material Bearing of shaft PTFE DN80-350 / Bronze DN400-1200