Mechanical Shut off DN700 Wcb EPDM Seat Electric Actuator Butterfly Valve for Sea Water

Mechanical Shut off DN700 Wcb EPDM Seat Electric Actuator Butterfly Valve for Sea Water

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

Product Details

We are in a relatively high position in the industry, and we maintain close cooperation with foreign suppliers to provide gas line ball valve, spring return ball valve, fire protection butterfly valves, our products are exported to many countries and regions. To survive with quality, to seek development by reputation, to seek efficiency with speed is our company's constant discipline for many years. We are committed to using modern management mode and business philosophy, give full play to our intelligence and spare no effort to provide the best quality service for new and old customers at home and abroad.

【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.


We can easily normally satisfy our respected buyers with our excellent high-quality, excellent selling price and good service due to we've been far more expert and more hard-working and do it in cost-effective way for Mechanical Shut off DN700 Wcb EPDM Seat Electric Actuator Butterfly Valve for Sea Water. We constantly improve the internal supply chain information processing platform to ensure that orders and customer demand are handled accurately and efficiently. As a socially responsible corporate citizen, we always focus on the consumer, and through scientific and technological innovation, we achieve low energy consumption production.

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