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 | T |
| 300 | 25 | 686 | 300 | 508 | 376 | 325 | 470 | 12.5 |
| 350 | 25 | 760 | 350 | 580 | 404 | 377 | 480 | 13.5 |
| 400 | 25 | 890 | 400 | 660 | 456 | 426 | 540 | 14 |
| 500 | 25 | 1060 | 500 | 800 | 560 | 530 | 620 | 15 |
| 600 | 25 | 1310 | 590 | 960 | 655 | 630 | 750 | 20 |
| 700 | 25 | 1530 | 685 | 1120 | 770 | 721 | 870 | 18 |
| 800 | 25 | 1730 | 785 | 1250 | 860 | 820 | 960 | 18 |
Reduced Bore Ball Valve Main External Dimension (Unit:mm)
| DN | PN | L | D | G3 | H |
| 350 | 16 | 510 | 510 | 377 | 405 |
| 400 | 16 | 838 | 560 | 426 | 420 |
| 450 | 16 | 991 | 578 | 487 | 430 |
| 500 | 16 | 991 | 660 | 530 | 470 |
| 600 | 16 | 1143 | 820 | 630 | 580 |
| 700 | 16 | 1346 | 1018 | 720 | 650 |
| 800 | 16 | 1524 | 1135 | 820 | 910 |
| 900 | 16 | 1727 | 1245 | 920 | 853 |
| 1000 | 16 | 1840 | 1415 | 1020 | 950 |
| 1200 | 16 | 2100 | 1576 | 1220 | 1030 |
