Triple Offset Wafer Type Butterfly Valve

Triple Offset Wafer Type 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 adhere to the tenet of 'Integrity, Integrity, Focus on Innovation' and maintain our leading position in the industry of API 609 Double Offset Butterfly Valve, PTFE Seated Butterfly Valve, High Temperature Butterfly Valve. We sincerely welcome friends from all over the world to cooperate with us and enlarge our business. The company actively introduces advanced production equipment abroad, absorbs and improves advanced production technology. So we welcome friends from all over the world to come and contact us, not only for business, but also for friendship. We now have our individual sales group, layout team, technical team, QC crew and package group.

【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.


We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for Triple Offset Wafer Type Butterfly Valve. In the face of global integration, we will cooperate with domestic and foreign customers with first-class service, high grade product quality and preferential prices to achieve a win-win situation! Our core competitiveness is 'internet thinking, artistic innovation, intelligent services, and popular products'.

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