Pneumatic/Electric Cast/Stainless Steel Ss Industrial Gas/Oil/Water Three-Eccentricity Triple Offset 2 Way Pressure Wafer/Flanged/Welded Types Butterfly Valve

Pneumatic/Electric Cast/Stainless Steel Ss Industrial Gas/Oil/Water Three-Eccentricity Triple Offset 2 Way Pressure Wafer/Flanged/Welded Types 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

Our company's API 609 Triple Offset Butterfly Valve, Stainless Steel Ball Valve, Triple Eccentric Butterfly Valve are mainly export-oriented, our company in line with the development concept of 'survival by quality, development by reputation' and has achieved good economic and social benefits. We have been sincerely looking forward to cooperate with customers all over the world. While using the social and economic pace, we are going to continue to carry forward the spirit of 'high high-quality, efficiency, innovation, integrity', and persist with the operating principle of 'credit to start with, customer initially, top quality excellent'. We try our best to do everything well, and provide customers with high cost-effective products and services. Our Enterprise Core Principle: The prestige 1st; The quality guarantee; The customer are supreme.

【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.


Our company has many years of rich experience in producing Pneumatic/Electric Cast/Stainless Steel Ss Industrial Gas/Oil/Water Three-Eccentricity Triple Offset 2 Way Pressure Wafer/Flanged/Welded Types Butterfly Valve so that the quality can be guaranteed, and you can buy with confidence. We welcome new and previous customers from all walks of lifetime to speak to us for future organization relationships and mutual achievement! A long-term development strategy and team building plan have been established since our establishment.

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