DIN 3352 F4 Metal Seated Rising Stem Gate Valve Shut off Valve Wcb Check Valve Stainless Steel Ball Valve Pneumatic Butterfly Valve

DIN 3352 F4 Metal Seated Rising Stem Gate Valve Shut off Valve Wcb Check Valve Stainless Steel Ball Valve Pneumatic Butterfly Valve

* Size: DN1200
* Pressure: PN16
* Connection: Double Flanged Ends
* Pressure direction: Bi-directional
* Operation : Pneumatic Actuator

Product Details

The pursue of the company, is the clients' satisfaction for butterfly valve double flange, grooved butterfly valve, Gear Butterfly Valve. Our company advocates the human resource development concept of 'training excellent technical team in hard production and development, gathering first-class business elites in fierce market competition'. We welcome you to visit our factory and look forward to establishing friendly business relationships with customers at home and abroad in the near future. We will provide you with quality products, reasonable price and professional after sales service.

【Product Introduction:

Bi-directional triple offset butterfly valve no matter which direction the medium comes from, the two-way sealed three eccentric butterfly valve sealing butterfly valve can be sealed.

The butterfly valve uses a high-performance composite sealing pair, or a surfacing alloy steel sealing pair, zero leakage, and long life. Bidirectional Triple Offset Butterfly Valve's sealing surface materials are alloy steel, polylactide, rubber, and PTFE seals; the connection type is flanged and wafer type. 

The butterfly valve is suitable for which require two-way sealing, frequent opening and closing, high reliability, pure pipelines and important pipelines in petrochemical, electric power, alloy, transportation, large-scale construction and other fields.


Products Details:

*  Type: D643H-DN1200-PN16                                                                  * Connection Type: Flange Ends

*  Pressure type: Bi-directional                                                                  * Valve Structure: Triple Offset

*  Operation : Pneumatic Actuator                                                             * Actuator type:Single acting(spring return)

*  Face to face length : 470mm                                                                  * Standard: Design and manufacture BS EN 593

*  Application : Chemical,System Pharmaceutical,Power and Oil.             * Suitable Temperature : -29°C ~ 375°C

*  Suitale Pressure : PN≤1.6Mpa                                                               * Origin:CHINA.

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Product Features

1. Bidirectional Triple Offset Butterfly Valve solves the problem of two-way sealing of metal hard seal butterfly valves with three eccentric structures.

2. The butterfly plate adopts a truss type structure with good rigidity and small deformation.

3. The sealing surface of the valve plate and the valve seat is an oblique conical structure, and the temperature-resistant and corrosion-resistant alloy material is deposited on the inclined conical surface of the valve plate.

4. It adopts soft T-shaped multi-layer stainless steel sheets on both sides to form a sealing ring. It has zero leakage sealing performance under low temperature and high temperature conditions.


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Nowadays, the two-way sealing butterfly valve produced by many manufacturers adopts the same structural design as the ordinary one-way sealing butterfly valve, only increases the diameter of the valve stem and increases the thickness of the sealing ring. Although this structure can be sealed, it is limited to small diameter valves, and the flow rate in the pipeline is small.

ZHENGFENG VALVES Bi-directional triple offset butterfly valve is a new product designed in recent years according to the development needs of the use situation.Welcome to contact with us.


In terms of DIN 3352 F4 Metal Seated Rising Stem Gate Valve Shut off Valve Wcb Check Valve Stainless Steel Ball Valve Pneumatic Butterfly Valve industries, our products have been developed according to domestic and foreign markets. Our company believes that effective use of existing technology to create products and services that customers desire is the true technical capability. We sincerely hope to cooperate with customers all over the world, if you would like to have more information, make sure you kindly contact us, we have been looking forward to building up a great business relationship with you.
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