CF8 Hydraulic Three Eccentric Industrial Electric Cast Iron Double Offset Metal Water Seal Butterfly Valve

CF8 Hydraulic Three Eccentric Industrial Electric Cast Iron Double Offset Metal Water Seal Butterfly Valve

1. When opening or closing, there is no friction between the disc and the sealing surfaceof the Wafer Triple Offset Butterfly Valve;
2. The valve can be installed in any location;
3. Zero leakage design;

Product Details

We are a professional enterprise engaged in the development, manufacture, production and sales of API 609 Triple Offset Butterfly Valve, Trunnion Ball Valve, Cast Steel Ball Valve. We take pride in achieving and maintaining consistency high standards of quality. Please feel free to contact us! Our company has established a scientific and comprehensive enterprise management and quality management system, and set strict production standards to monitor each production process. With the business philosophy of 'professionalism, rigor, innovation and excellence', as well as the excellent management team, we continue to maintain a stable and rapid growth momentum and become the new leading brand in the industry. Our advanced equipment, excellent quality management, research and development ability make our price down. With the business philosophy of 'sincere service', we strive to provide you with high-quality brand products with competitive prices and innovative high-tech solutions.

【Product Introduction】:

Wafer Triple Offset Butterfly Valve shown in the figure is a worm gear made of carbon steel material. The seat sealing material can be a full metal ring, and can be made of a graphite type laminated metal, which is elastic. The PTFE seat seal is a flexible seat butterfly valve. This seat can be design and produced as zero leakage type and suitable for corrosive medium.It is easy to produce and costs less than all metal seat butterfly valves.


【Application Of PTFE Seal-ring】:

PTFE people aslo call it Teflon.It has high temperature resistance, corrosion resistance, excellent electrical insulation, aging resistance and other characteristics.Resistant to the corrosion of almost all chemicals, but by molten alkali metal erosion. ZFVALVES Butterfly valve often uses PTFE as the valve seal-ring.PTFE has become the main corrosion resistant material in petroleum, chemical and textile industries due to its excellent corrosion resistance.As Seal ring the working temperature is -29℃~150℃.

*  PTFE Mechanical property:

   σb (MPa):20.7~27.5

   δ5 (%):250~350

   αk (J/cm2):>98.1

   HARD(HB):50~65D

* Thermal properties:

   Distortion temperature:1.86MPa:55℃; 0.46MPa:120℃

   Martin temperature:250℃


美标对夹蝶阀IMG_5704(1)


How to choose the right Butterfly valve】:

1) According to the nature of the working medium: working pressure, working temperature, corrosion performance, whether it contains solid particles, whether the medium is toxic etc to choosing the right material.

2) Installation size and dimensions: nominal diameter, connection to pipe and connection dimensions, dimensions or weight restrictions.

3) Select the appropriate operation mode according to the actual situation.

4) The maximum and minimum flow requirements; pressure drop for normal flow; pressure drop at shutdown; maximum and minimum inlet pressure for the valve.

5) Select the correct connection according to the reserved location of the pipeline.

The final control of the pipe is the valve. If you have any questions regarding valve selection, please contact us.ZFV will give you the most professional advice and the most suitable choice.


With our leading technology at the same time as our spirit of innovation, mutual cooperation, benefits and development, we are going to build a prosperous future alongside one another with your esteemed enterprise for CF8 Hydraulic Three Eccentric Industrial Electric Cast Iron Double Offset Metal Water Seal Butterfly Valve. With our growing competitiveness and resilience, we are bound to lead consumers to enjoy a more advanced purchasing experience with higher-quality, high-value-added quality products and services. In order to ensure effective and stable implementation of corporate social responsibility, we have formulated and strived to achieve a series of goals.

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