Main parts materials
| Part Name | Material |
| Valve body | Cast steel, stainless steel, chromium-molybdenum steel, alloy steel |
| Butterfly board | Cast steel, stainless steel, chromium-molybdenum steel, alloy steel |
| Valve body | Stainless steel, wear-resistant materials |
| Butterfly board | 1Cr13, 2Cr13, stainless steel, chromium molybdenum steel |
| Bearings | Austrian stainless steel, 304 nitriding |
| filler | Flexible graphite |
Main technical parameters
| Model specifications | DN(mm) | 50-2000 | 50-500 | ||
| Test pressure | PN(Mpa) | 0.6 | 1.0 | 2.5 | 4.0 |
| Housing test | 0.9 | 1.5 | 3.75 | 6.0 | |
| Sealing test | 0.66 | 1.1 | 2.75 | 4.4 | |
| Air seal test | 0.6 | 0.6 | 0.6 | 0.6 | |
| Applicable temperature | Carbon steel: -25℃-425℃ Stainless steel: -40℃-600≤℃ | ||||
| Applicable media | High viscosity medium at room temperature | ||||
| Driver form | Worm gear transmission, gas transmission, electric transmission, etc. | ||||
Appearance and link size BD343H-PN10 (DN50-DN1000) Unit: mm
| Nominal path DN(mm) |
L | Main shape and connection size (mm) | |||||||||
| H1 | BD343H | PN1.0MPa | |||||||||
| La | Lb | H | L1 | L2 | D | D1 | D2 | Z-medium d | b | ||
| 50 | 108 | 150 | 95 | 340 | 180 | 200 | 160/165 | 125 | 100 | 4-18 | 18 |
| 65 | 112 | 170 | 100 | 350 | 180 | 200 | 180/185 | 145 | 120 | 4-18 | 18 |
| 80 | 114 | 180 | 115 | 375 | 180 | 200 | 195/200 | 160 | 135 | 4-18 | 20 |
| 100 | 127 | 190 | 130 | 405 | 180 | 200 | 215/220 | 180 | 155 | 8-18 | twenty two |
| 125 | 140 | 200 | 140 | 440 | 270 | 280 | 245/250 | 210 | 185 | 8-18 | twenty two |
| 150 | 140 | 210 | 175 | 615 | 400 | 425 | 280/285 | 240 | 210 | 8-23 | twenty four |
| 200 | 152 | 230 | 215 | 695 | 400 | 425 | 335/340 | 295 | 265 | 8-23 | twenty four |
| 250 | 165 | 250 | 245 | 750 | 450 | 560 | 390/395 | 350 | 320 | 12-23 | 26 |
| 300 | 178 | 270 | 270 | 800 | 450 | 560 | 440/445 | 400 | 368 | 12-23 | 28 |
| 350 | 190 | 290 | 305 | 990 | 535 | 580 | 500/505 | 460 | 428 | 16-23 | 28 |
| 400 | 216 | 310 | 325 | 1040 | 535 | 580 | 565 | 515 | 482 | 16-25/26 | 30 |
| 450 | 222 | 330 | 360 | 1130 | 535 | 580 | 615 | 565 | 532 | 20-25/26 | 30 |
| 500 | 229 | 350 | 445 | 1380 | 570 | 660 | 670 | 620 | 585 | 20-25/26 | 32 |
| 600 | 267 | 390 | 505 | 1500 | 750 | 550 | 780 | 725 | 685 | 20-30 | 36 |
| 700 | 292 | 430 | 560 | 1585 | 750 | 550 | 895 | 840 | 800 | 24-30 | 36 |
| 800 | 318 | 470 | 630 | 1680 | 750 | 550 | 1010 | 950 | 905 | 24-34 | 38 |
| 900 | 330 | 510 | 680 | 1760 | 900 | 750 | 1110 | 1050 | 1005 | 28-34 | 38 |
| 1000 | 410 | 550 | 795 | 2020 | 1000 | 925 | 1220 | 1160 | 1115 | 28-36 | 38 |
Note: Product information is for reference only. If you have any questions, please contact our company!
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