Description
Double eccentric butterfly valve is mainly used for drainage of water plants, power plants, chemical industry, water source engineering, environmental protection facilities construction and other systems. Compared with the centerline butterfly valve, the butterfly valve is more resistant to high pressure, longer life and better stability.
Double eccentric butterfly valve is a high-performance valve that can effectively control the flow of fluids in various industries. This valve has two eccentricities in its design which helps it perform better than other butterfly valves. It provides a positive shut-off and operates efficiently in high-pressure applications.
Butterfly valve is a reliable product because its unique design helps it to reduce wear and tear, which in turn prolongs the life cycle of the valve. This valve operates smoothly and requires minimal maintenance, making it a cost-effective option for industries. Additionally, its quick and easy installation process saves time and effort.
This product is highly valued in the automation industry because of its precise control capabilities. The valve can be easily adjusted to control the flow of fluids according to the requirements of the application. Its flexibility in operating in various flow rates makes it suitable for various industries including oil and gas, water treatment, and chemical and petrochemical industries.
Another advantage of butterfly valve is its ability to minimize leakage. The design allows for tight sealing, which ensures that the valve closes completely and prevents fluid from leaking through. This feature makes it an ideal choice for applications where fluid leakage can be hazardous.
In conclusion, butterfly valve is a highly reliable product that has proven to be effective in various industries. Its high-performance capabilities, precise control, and long life cycle make it a cost-effective solution for many applications. With its minimal maintenance requirements, quick installation, flexibility and minimized leakage, butterfly valve is the best product to consider for industrial applications that require reliable control of fluid flow.
Advantages
1. The double eccentric butterfly valve is new type of butterfly valve, whose life will be prolonged by the design that the rubber sealing ring around the disc is off the metal seat when the disc is opened fully.
2. The degree of tightness between rubber sealing ring and disc can be adjusted by the compression of sealing to gain the best performance of sealing.
3. The shaft of butterfly valve is supported by self-lubricating sleeve bearings, which can reduce the friction produced during valve shaft transmission and reduce torque.
Components(DN100-600)
|
No. |
Part |
Material |
|
1 |
Body |
GGG50 |
|
2 |
Stem |
SS420 |
|
3 |
Compression ring |
SS304 |
| 4 | Sealing ring | EPDM/NBR |
|
5 |
Disc |
GGG50 |
|
6 |
Pin |
SS304 |
|
7 |
Sealing strip |
SS304 |
| 8 |
O-ring |
Viton |
| 9 | Bushing | Brass |
| 10 |
O-ring |
Viton |
| 11 | Bushing | Brass |
| 12 | Packing | EPDM |
| 13 | Front gland | Q235 |
| 14 | Worm gear | GGG50 |



Dimensions

Components(DN700-800)
|
No. |
Part |
Material |
|
1 |
Body |
GGG50 |
|
2 |
Stem |
SS420 |
|
3 |
Compression ring |
SS304 |
| 4 | Sealing ring | EPDM/NBR |
|
5 |
Disc |
GGG50 |
|
6 |
Pin |
SS304 |
|
7 |
Sealing strip |
SS304 |
| 8 |
O-ring |
Viton |
| 9 | Bushing | Brass |
| 10 |
O-ring |
Viton |
| 11 | Bushing | Brass |
| 12 | Packing | EPDM |
| 13 | Front gland | Q235 |
| 14 | Worm gear | GGG50 |


Dimensions

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