Cast Iron Centerline Handle Wafer Lug Type with Flanged Triple Offset Butterfly Valve Prices

Cast Iron Centerline Handle Wafer Lug Type with Flanged Triple Offset Butterfly Valve Prices

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

OuServing you and satisfying you are our unswerving work goals. Trust us, believe in your choice, we will do better for you.r company continuously innovates the product technology, improves the production process, strictly controls the quality, and continues to provide users with the most high-end products in the field of Lug Triple Offset Butterfly Valve, Lug Type Butterfly Valve, Gear Butterfly Valve. Our company always in line with the tenet of 'taking faith as the basis, winning by quality, serving with heart, innovating and making a long way'. In the new century, the process of globalization has given business a broader and richer definition. It is not only a series of transactions, but also a kind of trust. All of our staffs go forward bravely and make progress, and we will build the brand into a tangible and famous product to create brilliance with the majority of distributors!

【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.


The quality of our Cast Iron Centerline Handle Wafer Lug Type with Flanged Triple Offset Butterfly Valve Prices is guaranteed to meet the standards so that each product is shipped and used without harming the environment where we live together. The eternal belief in continuous innovation and respect for traditional craftsmanship are the foundation for us to win the favor of customers and continue to grow. Based on our brand quality and reputation, we let customers' expectations and requirements be met.
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