Hand Operation Three Concentric Pneumatic Flange Butterfly Valve

Hand Operation Three Concentric Pneumatic Flange Butterfly Valve

* 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 deeply realize that if we want our company to have a good reputation, we should continuously improve the quality of our Water Butterfly Valve, Wafer Type Butterfly Valve, Trunnion Ball Valve and provide sincere service. We always practice the business philosophy of "product quality is the foundation, technological innovation is the driving force, and dedicated service is the guarantee". Over the years, our company's development and management philosophy is pay attention to quality, honesty, make friends from all over the world. The implementation of the new management system improvement plan we formulated will support the company's development strategy, employee quality improvement and corporate culture construction. You will instantly feel our expertise and attentive service.

【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 adhere to the focus strategy and focuses on the categories of Hand Operation Three Concentric Pneumatic Flange Butterfly Valve from the perspective of the future, establishing a complete sales channel and service network worldwide to provide the best products and services to global customers. The needs of customers are the direction and goal of our company. We will do our best to provide customers with high-quality products and effective services anytime and anywhere, and accept all kinds of opinions and complaints sincerely. We critically promise that we deliver all the customers with the best quality solutions, the most competitive prices and the most prompt delivery.

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