1) Standards:
A) Manufacture: GB12238, JB/T8527, API609
B) Face to face/end to end dimensions: ANSI B16. 10, GB12221
C) Pipe flange: JB/T74 90, GB12380, HG20615~20635, SH3006, ANSI B16. 5
D) Testing and inspection: GB/T13927, API598
2) Body materials: CI, DI, WCB, SS
Disc: DI, SS304, SS316, Aluminum Bronze
Split Stem: WCB, SS416, SS304, SS316
Seat: NBR, EPDM, PTFE, VITON
3) Flange drilling: DIN PN10/PN16
BS4504, BS 10D/E
ISO2084, ISO2531
ANSI 125/150, AS2129
ASA125/150
JIS 5K/10K
4) Nominal Diameter: DN100~2000.
Dimensions
| DN | L | D | D1 | D2 | b | H | H1 | n-φd |
| 100 | 120 | 220 | 180 | 158 | 24 | 240 | 120 | 8-φ18 |
| 125 | 130 | 250 | 210 | 184 | 26 | 270 | 130 | 8-φ18 |
| 150 | 140 | 285 | 240 | 212 | 26 | 300 | 150 | 8-φ22 |
| 200 | 150 | 340 | 295 | 268 | 28 | 330 | 180 | 8-φ22 |
| 250 | 250 | 395 | 350 | 320 | 28 | 400 | 220 | 12-φ22 |
| 300 | 270 | 445 | 400 | 370 | 28 | 410 | 220 | 12-φ22 |
| 350 | 290 | 505 | 460 | 430 | 30 | 460 | 270 | 16-φ22 |
| 400 | 310 | 565 | 515 | 482 | 32 | 510 | 290 | 16-φ26 |
| 450 | 330 | 615 | 565 | 532 | 32 | 560 | 320 | 20-φ26 |
| 500 | 350 | 670 | 620 | 585 | 34 | 590 | 360 | 20-φ26 |
| 600 | 390 | 780 | 725 | 685 | 36 | 660 | 390 | 20-φ30 |
| 700 | 430 | 895 | 840 | 800 | 40 | 780 | 460 | 24-φ30 |
| 800 | 470 | 1015 | 950 | 905 | 44 | 850 | 530 | 24-φ33 |
| 900 | 510 | 1115 | 1050 | 1005 | 46 | 920 | 570 | 28-φ33 |
| 1000 | 550 | 1230 | 1160 | 1110 | 50 | 990 | 630 | 28-φ36 |
| 1200 | 630 | 1455 | 1380 | 1330 | 56 | 1115 | 750 | 32-φ39 |
| 1400 | 710 | 1675 | 1590 | 1530 | 62 | 1228 | 850 | 36-φ42 |
| 1600 | 790 | 1915 | 1820 | 1750 | 68 | 1340 | 990 | 40-φ48 |
| 1800 | 870 | 2115 | 2020 | 1950 | 70 | 1570 | 1100 | 44-φ48 |
| 2000 | 950 | 2325 | 2230 | 2160 | 74 | 1680 | 1170 | 48-φ48 |
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