Material of main parts: NO NAME OF PARTS MATERIAL 1 SEAT NBR 2 STEM(DOWN) CF3/CF3M/CF8/CF8M 3 DISC WCB/65-45-12 4 STEM(UP) CF3/CF3M/CF8/CF8M 5 BODY WCB/65-45-12 Main dimension： DN D D1 L H1 H2 n-d N-M 100 229 180 127 120 225 8-17.5 125 254 210 127 130 240 8-17.5 150 279 240 127 140 260 8-22 200 343 295 152 175 290 8-22 250 406 350 203 205 340 12-22 300 483 400 203 245 360 12-22 350 533 460 203 270 400 16-22 400 597 515 203 300 432 16-26 450 635 565 203 320 475 16-26 4-M27 500 699 620 203 360 560 16-26 4-M27 600 813 725 203 410 680 16-30 4-M27