Wafer and Lug Type Concentric Butterfly Valve with Two Stems for Marine

Wafer and Lug Type Concentric Butterfly Valve with Two Stems for Marine

* 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 continue to innovate, provide consumers with quality Flange Type Butterfly Valve, Lug Triple Offset Butterfly Valve, penumatic actuated butterfly valve and excellent service, and contribute to the well-being of people's lives. There is no deadline for our innovation. Our persistence in innovation stems from our pursuit of excellence. In order to better adapt to the development of diversified enterprises, our company has formulated a series of measures to improve the development model, organizational structure, and corporate governance. From raw material warehousing, product R&D and design, to product production testing, each step and process has strict multiple inspection standards, integrating refined management into all links of production. And because Kayo deals in the entire spectrum of protective equipment, our customers don't have to waste time shopping around.

【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'll make every effort and hard work to be superb and excellent, and speed up our steps for Wafer and Lug Type Concentric Butterfly Valve with Two Stems for Marine. We warmly welcome you to contact us to begin discussions on how we can bring this into being. We have professional technical personnel and a high-quality work team that can provide customers with complete after-sales service in a timely manner. We can also continuously develop new products with high added value according to the different needs of the market.

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