D343W hard seal flange butterfly valve adopts precise J-shaped elastic sealing ring and three eccentric multi-layer metal hard seal structure, is widely used in the medium temperature ≤ 325 ℃ of the gold, electric power, petrochemical industry, as well as drainage and municipal construction and other industrial pipelines, for regulating the flow rate and cut off the fluid use.
Product Features
- This valve adopts three eccentric sealing structure, the valve seat and butterfly plate almost no wear, with the more view the tighter the sealing function.
- The sealing ring is made of stainless steel, which has the double advantages of metal hard seal and elastic seal, and has excellent sealing performance regardless of low and high temperatures, corrosion resistance, long service life and other characteristics.
- The sealing surface of the disk plate is made of surfacing cobalt-based cemented carbide, and the sealing surface is wear-resistant and has a long service life.
- Large-size butterfly plate adopts quilted frame structure with high strength, large overflow area and small flow resistance.
Product Parameters
Product Model | D343W-16P |
Valve Body Material | 304 Stainless Steel |
Nominal Pressure | ≤1.6Mpa |
Applicable Media | Water, Steam, Oil, etc. |
Operating Temperature | ≤325°C |
Product Size Reference
DN | L | D | D1 | D2 | n-d |
50 | 108 | 165 | 125 | 99 | 4-18 |
65 | 112 | 185 | 145 | 118 | 4-18 |
80 | 114 | 200 | 160 | 132 | 8-18 |
100 | 127 | 220 | 180 | 156 | 8-18 |
125 | 140 | 250 | 210 | 184 | 8-18 |
150 | 140 | 285 | 240 | 211 | 8-22 |
200 | 152 | 340 | 295 | 266 | 12-22 |
250 | 165 | 405 | 355 | 319 | 12-26 |
300 | 178 | 460 | 410 | 370 | 12-26 |
350 | 190 | 520 | 470 | 429 | 16-26 |
400 | 216 | 580 | 525 | 480 | 16-30 |
450 | 222 | 640 | 585 | 548 | 20-30 |
500 | 229 | 715 | 650 | 609 | 20-33 |
600 | 267 | 840 | 770 | 720 | 20-36 |
苏公网安备32021402002554号
