Electric Wafer Hard Seal Butterfly Valve
Electric Wafer Hard Seal Butterfly Valve Introduction
Electric wafer hard seal butterfly valve has the advantages of long service life and energy conservation. The structure utilizes three-dimensional eccentricity and seat uses multiple level structure to ensure sealing. The valve, consisting of body, disc, seat, valve stem, gear and other components.
This Electric wafer hard seal butterfly valve is widely used for the pipeline in metallurgy, power, petroleum and other industries.
Electric wafer hard seal butterfly valve Characteristics:
1. Small torque, convenience.
2. Three-dimensional eccentricity structure, having excellent seal
3. High-pressure resistance, corrosion resistance, wearing resistance, long service life
Electric wafer hard seal butterfly valve Actuator
1. Powerful function: intelligence, regulation, switch
2. Small volume: compared with same products, the volume is smaller by 35%.
3. Convenient utilization: Uniphase source easy for wring; unique structure easy for observation.
4. Protector: double spacing, over temperature protection, overload protection.
5. Intelligent numerical control
Electric wafer hard seal butterfly valve Technical Data
| Nominal diameter DN(mm) | 50～2000 | |||
| Nominal Pressure PN(MPa) | 0.6 | 1.0 | 1.6 | 2.5 |
| Pressure test(MPa) | 0.66 | 1.1 | 1.76 | 2.75 |
| Strength test(MPa) | 0.9 | 1.5 | 2.4 | 3.75 |
| Applicable temperature | Carbon steel: -29℃～425℃; stainless steel: -40℃～650℃ | |||
| Applicable medium | Water, air, gas, oil and weak corrosive fluid | |||
| Leakage rate | GB/T13927-92 | |||
| Driving mode | Manual, worm gear, pneumatic, electric | |||
Electric wafer hard seal butterfly valve Component materials
| Components | Materials |
| Valve body | WCB, alloy steel, stainless steel, QT450-10 |
| disc | WCB, alloy steel, stainless steel, QT450-10 |
| Valve shaft | 2Cr13 stainless steel, alloy steel |
| Seal ring | Stainless steel |
| Packing | Flexible graphite |
Electric wafer hard seal butterfly valve Standards
| Manufacturing standard | JB/T 8527-97 |
| Flange standard | GB9113-2000 |
| Face to Face standard | GB12221-89 |
| Examination standard | GB/T 13927-92 |
Electric wafer hard seal butterfly valve Connection Dimensions
(unit: mm)
| Nominal diameter(DN) | Dimensions | Flange sizes & bolt specifications | |||||||
| 1.0MPa | 1.6MPa | 2.5MPa | |||||||
| L | H | H1 | D1 | 4-Ф－M | D1 | 4-Ф－M | D1 | 4-Ф－M | |
| 50 | 43 | 350 | 112 | 125 | Ф18 | 125 | Ф18 | 125 | Ф18 |
| 65 | 46 | 370 | 115 | 145 | Ф18 | 145 | Ф18 | 145 | Ф18 |
| 80 | 49 | 380 | 120 | 160 | Ф18 | 160 | Ф18 | 160 | Ф18 |
| 100 | 56 | 420 | 138 | 180 | Ф18 | 180 | Ф18 | 190 | Ф23 |
| 125 | 64 | 460 | 164 | 210 | Ф18 | 210 | Ф18 | 220 | Ф27 |
| 150 | 70 | 555 | 175 | 240 | Ф23 | 240 | Ф23 | 250 | Ф27 |
| 200 | 71 | 605 | 208 | 295 | M20 | 295 | M20 | 310 | M24 |
| 250 | 76 | 680 | 243 | 350 | M20 | 355 | M24 | 370 | M27 |
| 300 | 83 | 800 | 283 | 400 | M20 | 410 | M24 | 430 | M27 |
| 350 | 92 | 835 | 310 | 460 | M20 | 470 | M24 | 490 | M30 |
| 400 | 102 | 915 | 340 | 515 | M24 | 525 | M27 | 550 | M33 |
| 450 | 114 | 960 | 380 | 565 | M24 | 585 | M27 | 600 | M33 |
| 500 | 127 | 1020 | 410 | 620 | M24 | 650 | M30 | 660 | M33 |
| 600 | 154 | 1225 | 470 | 725 | M27 | 770 | M33 | 770 | M36 |
| 700 | 165 | 1355 | 550 | 840 | M27 | 840 | M33 | 875 | M39 |
| 800 | 190 | 1470 | 640 | 950 | M30 | 950 | M36 | 990 | M45 |
| 900 | 203 | 1545 | 710 | 1050 | M30 | 1050 | M36 | 1090 | M45 |
| 1000 | 216 | 1795 | 770 | 1160 | M33 | 1170 | M39 | 1210 | M52 |
| 1200 | 254 | 1965 | 890 | 1380 | M36 | 1390 | M45 | 1420 | M52 |
Please note that the above specifications are “general specifications” that pertain to the majority of our products. These specifications should only be used for general, informational purposes. The measurement/size of the goods delivered may be different from the data in the above table, please check with us when order placed.
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