Stainless Steel Wafer Type Butterfly Valve Import National Standard D71X
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Stainless Steel Wafer Type Butterfly ValveImported National StandardD71X
Name: Stainless Steel Wafer Type Butterfly Valve Model: D71X Bore: DN50-DN1600
Pressure: 1.6MPa≈2.5MPa Material: SS304, SS316, SS316L Certification: ISO9001:2000
This product is widely used in petroleum, chemical, power, metallurgy, food, pharmaceutical, light textile, papermaking, and other industries. It can be installed in industrial pipelines with temperatures ≤425℃ and media such as gas, air, steam, water, seawater, oil products, etc., for regulating flow and cutting off media.
Product Features:
1. The valve adopts a double eccentric structure, providing a sealing function that tightens as it closes, ensuring reliable sealing performance.
2. The sealing pair materials are made of stainless steel and oil-resistant rubber, offering a long service life.
3. The rubber sealing ring can be located on either the valve body or the butterfly plate, making it suitable for media with different characteristics, providing options for users.
4. The butterfly plate uses a frame structure, offering high strength, a large flow area, and low flow resistance.
5. The entire valve is painted, effectively preventing rust. By simply replacing the sealing seat material, it can be used for different media.
6. The valve features bidirectional sealing, allowing installation regardless of media flow direction or spatial constraints. It can be installed in any direction.
7. The valve has a unique structure, offering flexible, labor-saving, and convenient operation.
Stainless Steel Wafer Type Butterfly ValveImported National StandardD71XMain Technical Parameters:
Nominal Diameter DN (mm) | Wafer Type 50-300 | Flange Type 50～2000 | |
Nominal Pressure PN (MPa) | 0.6 | 1.0 | 1.6 |
Seal Test (MPa) | 0.66 | 1.1 | 1.76 |
Strength Test (MPa) | 0.9 | 1.5 | 2.4 |
Applicable Temperature | -40℃～90℃ Fluororubber: -20℃～200℃ | ||
Applicable Media | Water, air, natural gas, oil products, and weakly corrosive fluids | ||
Leakage Rate | Complies with GB/T13927-92 standard | ||
Drive Method | Worm gear drive, electric, pneumatic, hydraulic | ||
Main Component Materials:
Component Name | Material |
Valve Body | 304, WCB, QT450-10, HT200, HT250 |
Butterfly Plate | 304, WCB, QT450-10, HT200, HT250 |
Valve Shaft | 2Cr13 |
Sealing Ring | Oil-resistant rubber |
Packing | Flexible graphite |
Manufacturing Standard | GB/T 122387-89 |
Flange Standard | GB9113-2000, GB17241.6-1998 |
Structure Length Standard | GB12221-89 |
Inspection Standard | GB/T 13927-92 |
Main External Dimensions:
DN | L | H | HO | A | B | 0.6MPa | 1.0MPa | 1.6MPa | |||
DO | n-d | DO | n-d | DO | n-d | ||||||
50 | 43 | 63 | 235 | 270 | 110 | 110 | 4-14 | 125 | 4-18 | 125 | 4-18 |
65 | 46 | 70 | 250 | 270 | 110 | 130 | 4-14 | 145 | 4-18 | 145 | 4-18 |
80 | 46 | 83 | 275 | 270 | 110 | 150 | 4-18 | 160 | 8-18 | 160 | 8-18 |
100 | 52 | 105 | 316 | 270 | 110 | 170 | 4-18 | 180 | 8-18 | 180 | 8-18 |
125 | 56 | 115 | 340 | 310 | 110 | 200 | 8-18 | 210 | 8-18 | 210 | 8-18 |
150 | 56 | 137 | 376 | 310 | 110 | 225 | 8-18 | 240 | 8-22 | 240 | 8-22 |
200 | 60 | 164 | 430 | 353 | 150 | 280 | 8-18 | 295 | 8-22 | 295 | 8-22 |
250 | 68 | 206 | 499 | 353 | 150 | 335 | 12-18 | 350 | 12-22 | 355 | 12-26 |
300 | 78 | 230 | 570 | 380 | 150 | 395 | 12-22 | 400 | 12-22 | 410 | 12-26 |
| Industry Category: | Machinery & Equipment/Valves/Butterfly Valves |
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