Concentric Double Flange Butterfly Valve with Full Rubber Coated Disc

Concentric Double Flange Butterfly Valve with Full Rubber Coated Disc

* Size : 14''
* Pressure rate: ANSI 300LB
* Type : Double flange Ends
* Operation : Gear O.P.
* Valve Structure : Triple Offest
* Design and manufacture API 609
* F/F length : 190 mm

Product Details

We apply leading technology to every detail of the product, and develop diversified High Temperature Butterfly Valve, EPDM Butterfly Valve, Rubber Lined Butterfly Valve with novel design and high cost performance. All of our products need undergo sufficient technical verification and strict quality inspections before they can be put into production. The trend of globalization of technological innovation and innovation methods of multinational companies have a great demonstration effect and utilization effect for us. Good faith is the result of market demand and expectation. In order to let the group who need to buy our products at ease, our company has been working hard, innovating constantly, relying on strict management and excellent product quality.

【Product Introduction

High Temperature Butterfly Valve can be widely used in high temperature gas pipelines in metallurgy, building materials, chemical, power station and other industries. As a high-temperature gas medium flow regulating or cutting device, high temperature butterfly valve can be used with various actuators.

The high temperature butterfly valve stem is an integral forging structure supported by an outer bearing seat and driven by a two-end pin connection to rotate the valve flap. The metal seated is sandwiched between the disc, the valve has good circulation performance. Three sets of packing seals, plus sealant and purge two auxiliary seals form a high reliability stem packing seal system.


【Application Range】:

* Suitable Temperature: 350~800°C,  Application for power plant

* Design features: Blow-outproof valve stem

* Material :CF8、CF8M、310S、904L、4A、5A、Duplex steel...

* Design and manufacture API 609 / EN593 / GOST

* Face to face dimension API 609 / EN558 

* End flanges dimension ANSI ASME B16.5 / EN1092-1 / GOST12815

* Test & inspection as API 598 / EN12266-1


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Product Characteristics

1. High Temperature Butterfly Valve uses a pressure self-tightening sealing structure. The higher the internal cavity pressure, the better the sealing performance.

2. The valve seat is made of Stellite cobalt-based hard alloy, and the movement seal has high hardness, wear resistance, high temperature resistance, corrosion resistance, good scratch resistance and long service life.

3. The valve stem is quenched and tempered and surface nitrided, which has good corrosion resistance and scratch resistance.


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We are acquiring cutting-edge technology to ensure that our Concentric Double Flange Butterfly Valve with Full Rubber Coated Disc is competitive in both the domestic and international market. Over the years, we have made continuous efforts to meet the needs of the times and accumulate the trust given by customers. Our products are new and old customers consistent recognition and trust.

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