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Product Introduction:
The D343F multi-level PTFE soft-sealed butterfly valve is designed based on the three-dimensional eccentric principle. The sealing ring adopts a multi-level structure that combines hard and soft sealing. It is suitable for regulating and shutting off fluids in pipelines for various media, such as metallurgy, electricity, petrochemicals, air, gas, water supply, and drainage, where the medium temperature is ≤200°C. It offers reliable sealing performance and extends the application of general butterfly valves into the medium-to-high pressure field. Building on this structure, a new generation of three-eccentric PTFE-sealed butterfly valves can be created by replacing the multi-level sealing ring with polytetrafluoroethylene, which is widely used for corrosive media at temperatures ≤200°C.
Key Product Features:
1. The butterfly plate seal adopts a hard and soft multi-level structure, combining the advantages of both hard and soft sealing. It offers excellent sealing performance in both low and high-temperature conditions.
2. The three-eccentric structure ensures minimal friction between the seat and the butterfly plate, resulting in increasingly tighter sealing performance and achieving zero leakage.
3. Low opening and closing torque, flexible operation, energy-saving, and long service life.
4.Wide application range due to its high-temperature, high-pressure, and corrosion-resistant properties.
5.The new generation three-eccentric PTFE-sealed butterfly valve combines the advantages of the three-eccentric sealing structure and soft sealing. It provides reliable sealing performance, a wide application range, and a longer service life.
6.The electric and pneumatic devices adopt well-known domestic and foreign products, ensuring even more reliable performance.
Product Dimensions
| m'm | L | H | H0 | A | D | D1 | D2 | n-d | D | D1 | D2 | N-D | |
| 50 | 108 | 82.5 | 338 | 180 | 65 | 140 | 110 | 88 | 4-14 | 165 | 125 | 99 | 4-18 |
| 65 | 112 | 92.5 | 358 | 180 | 65 | 150 | 130 | 108 | 4-14 | 185 | 145 | 118 | 4-18 |
| 80 | 114 | 110 | 413 | 245 | 70 | 190 | 150 | 124 | 4-18 | 200 | 160 | 132 | 8-18 |
| 100 | 127 | 110 | 428 | 240 | 72 | 210 | 170 | 144 | 4-18 | 220 | 160 | 132 | 8-18 |
| 125 | 140 | 125 | 444 | 240 | 72 | 240 | 200 | 174 | 8-18 | 250 | 210 | 184 | 8-18 |
| 150 | 140 | 142.5 | 553 | 350 | 93 | 265 | 225 | 199 | 8-18 | 285 | 240 | 211 | 8-22 |
| 200 | 152 | 170 | 678 | 350 | 93 | 320 | 280 | 254 | 8-18 | 340 | 295 | 266 | 8-22 |
| 250 | 165 | 197.5 | 742 | 550 | 350 | 375 | 335 | 309 | 12-18 | 395 | 350 | 319 | 12-22 |
| 300 | 178 | 222.5 | 803 | 600 | 350 | 440 | 395 | 363 | 12-22 | 445 | 400 | 370 | 12-22 |
| 350 | 190 | 252.5 | 866 | 600 | 350 | 490 | 445 | 416 | 12-22 | 505 | 460 | 429 | 16-22 |
| 400 | 216 | 282.5 | 940 | 600 | 350 | 540 | 495 | 463 | 16-22 | 656 | 515 | 480 | 16-26 |
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Applicable Scenarios
Precision Manufacturing Quality Assurance
Chemical Plant Chlor-Alkali
Petroleum Steam
Company Profile
Vision
With decades of rapid development and accumulation, China has been perfect and mature on technology and management in various industrial areas, shaping a complete processing manufacturing industry with competitive price, well known for its excellent skill, high efficiency and hardworking team with qualification for personnel dispatching.
