Main parts and materials
NO. Part name Material
1 Body Ductile Iron
2 Seat EPDM
3 Disc Ductile Iron
4 Taper Pin Carbon Steel
5 Bushing Brass
6 O Ring Shaft Seal EPDM
7 Bols Carbon Steel
8 Shaft Stainless Steel
9 Key Carbon Steel
9 Gear box Cast Iron


Outline and connecting measurement
DN L D D1 n-do
50 108 165 125 4-18
65 112 185 145 4-18
80 114 200 160 8-18
100 127 220 180 8-18
125 140 250 210 8-18
150 140 285 240 8-22
200 152 340 295 12-22
250 165 405 355 12-26
300 178 460 410 12-26
350 190 520 470 12-28
400 216 580 525 16-30
450 222 640 585 20-30
500 229 710 650 20-33
600 267 840 770 24-36
700 292 910 840 24-36
800 318 1025 950 24-40
900 330 1125 1050 28-40
1000 410 1255 1170 28-42
1200 470 1485 1390 32-48