Design Standard
1.Q/320506 FDV01-2013
2:GB/T 12224-20052.GB/T 12220-1989
3.GB/T 12223-2005
4.JB/T 12006-2014
5.GB/T 37827-2019
6.GB/T 9113
7.GB/T 12221-2005
Material of Main Parts
| NO. | Part Name | Material | NO. | Part Name | Material |
| 1 | Body 1 | 20# | 11 | Body neck | 20# |
| 2 | Body 2 | 20# | 12 | Stem ring | FKM |
| 3 | Ball | 304 | 13 | Gasket | PTFE+C |
| 4 | Seat | PTFE+C | 14 | Packing Gland | 20# |
| 5 | Seat Ring | FKM | 15 | Ring | 65Mn |
| 6 | Support Ring | 60Si2Mn | 16 | Gear Box | QT450 |
| 7 | Disc Spring | 60Si2Mn | 17 | Handle | 45# |
| 8 | Stem | 2Cr13 | 18 | Hex Nail | 8.8 |
| 9 | Gasket | PTFE+C | 19 | Bearing | 8 |
| 10 | Bearing | CS+PTFE | 20 | Bearing | CS+PTFE |
Full Bore Ball Valve Main External Dimension(Unit:mm)
| DN | PN | L | D | G1 | G2 | G3 | H | h | t | s |
| 50 | 25 | 300 | 50 | 108 | 76.1 | 60.3 | 169 | 65 | 5 | 140 |
| 65 | 25 | 300 | 65 | 127 | 88.9 | 76.1 | 177 | 65 | 5 | 160 |
| 80 | 25 | 325 | 80 | 159 | 114 | 88.9 | 197 | 75 | 6 | 160 |
| 100 | 25 | 325 | 100 | 194 | 140 | 114 | 212 | 77 | 7 | 200 |
| 125 | 25 | 350 | 125 | 219 | 168 | 140 | 228 | 82 | 8 | 230 |
| 150 | 25 | 400 | 150 | 273 | 219 | 168 | 258 | 107 | 8 | 230 |
| 200 | 25 | 560 | 200 | 357 | 273 | 219 | 117 | 117 | 8 | 280 |
| 250 | 25 | 635 | 250 | 426 | 322 | 273 | 117 | 117 | 8 | 300 |
Reduced Bore Ball Valve Main External Dimension (Unit:mm)
| DN | PN | L | D | G1 | G2 | H | h | t | s |
| 50 | 16/40 | 300 | 39.5 | 88.9 | 60.3 | 135 | 50 | 2.9 | 140 |
| 65 | 16/25 | 300 | 50 | 108 | 76.1 | 150 | 53 | 2.9 | 160 |
| 80 | 16/25 | 300 | 65 | 127 | 88.9 | 176 | 65 | 3.2 | 160 |
| 100 | 16/25 | 325 | 81.5 | 159 | 114.3 | 210 | 75 | 3.6 | 200 |
| 125 | 16/25 | 325 | 102 | 193.7 | 139.7 | 235 | 77 | 4 | 230 |
| 150 | 16/25 | 350 | 125 | 219.1 | 168.3 | 410 | 290 | 4.5 | 230 |
| 200 | 16/25 | 400 | 152 | 275 | 219.1 | 485 | 375 | 4.5 | 280 |
| 250 | 16/25 | 560 | 203 | 357 | 273 | 525 | 400 | 5 | 300 |
| 300 | 16/25 | 635 | 254 | 427 | 325 | 605 | 470 | 5.6 | 350 |
