Production enforce standard
| Product specification | Design spec | Face to face | Flange end | Pressure-temp | Test&check |
| DIN EN13709:2003 | DIN EN 558-1 | EN1092-1/1092-2 | ASTM B16.34 | DIN EN12266:2003 |
Material of Main Parts
| Name | Body | Disc | Seat | Stem | Handwheel |
| Material | WCB | WCB | Graphite | 410 | A3 |
Technical Data
| Nominal Pressure | PN16 | PN25 | PN40 | PN64 | Test Medium |
| Shell Test | (2.4MPa) | (3.75MPa) | (6.0MPa) | (9.6MPa) | Water |
| Seal Test | (1.76MPa) | (2.75MPa) | (4.4MPa) | (7.04MPa) | |
| Air SealTest | 80Lb(0.6MPa) | 80Lb(0.6MPa) | 80Lb(0.6MPa) | 80Lb(0.6MPa) | Air |
| Suitable Temp | -29~350°C | ||||
| Suitable Media | Water/Steam/Oil | ||||
PN16
| DN | L | D | D1 | D2 | b | z-d | f |
| 50 | 108 | 160 | 125 | 100 | 16 | 4-18 | 2 |
| 65 | 112 | 180 | 145 | 120 | 18 | 4-18 | 2 |
| 80 | 114 | 195 | 160 | 135 | 20 | 8-18 | 2 |
| 100 | 127 | 215 | 180 | 155 | 20 | 8-18 | 2 |
| 125 | 140 | 245 | 210 | 185 | 22 | 8-18 | 2 |
| 150 | 140 | 280 | 240 | 210 | 24 | 8-23 | 2 |
| 200 | 152 | 335 | 295 | 265 | 26 | 12-23 | 2 |
| 250 | 165 | 405 | 355 | 320 | 30 | 12-25 | 2 |
| 300 | 178 | 460 | 410 | 375 | 30 | 12-25 | 2 |
| 350 | 190 | 520 | 470 | 435 | 34 | 16-25 | 2 |
| 400 | 216 | 580 | 525 | 485 | 36 | 16-30 | 2 |
| 450 | 222 | 640 | 585 | 545 | 40 | 20-30 | 2 |
| 500 | 229 | 705 | 650 | 608 | 44 | 20-34 | 2 |
| 600 | 267 | 840 | 770 | 718 | 44 | 20-41 | 2 |
PN25
| NP | L | D | D1 | D2 | b | z-d | f |
| 50 | 108 | 160 | 125 | 100 | 20 | 4-18 | 2 |
| 65 | 112 | 180 | 145 | 120 | 22 | 8-18 | 2 |
| 80 | 114 | 195 | 160 | 135 | 22 | 8-18 | 2 |
| 100 | 127 | 230 | 190 | 160 | 24 | 8-23 | 2 |
| 125 | 140 | 270 | 220 | 188 | 28 | 8-25 | 2 |
| 150 | 140 | 300 | 250 | 218 | 30 | 8-25 | 2 |
| 200 | 152 | 360 | 310 | 332 | 34 | 12-25 | 2 |
| 250 | 165 | 425 | 370 | 390 | 36 | 12-30 | 2 |
| 300 | 178 | 485 | 430 | 395 | 34 | 16-30 | 2 |
| 350 | 190 | 555 | 490 | 450 | 38 | 16-33 | 2 |
| 400 | 216 | 620 | 550 | 505 | 40 | 16-36 | 2 |
| 450 | 222 | 670 | 600 | 555 | 46 | 20-36 | 2 |
| 500 | 229 | 730 | 660 | 615 | 48 | 20-41 | 2 |
| 600 | 267 | 845 | 770 | 718 | 56 | 20-41 | 2 |
1.Casting
2.Processing
3. Assemble
4. Test
5. Spray paint
6. Inspection
