High Temperature Manual Pneumatic Butterfly Valve DN500 DN400 DN900

High Temperature Manual Pneumatic Butterfly Valve DN500 DN400 DN900

* 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

To consistently enhance the management method by virtue of the rule of 'sincerely, fantastic religion and top quality are the base of business development', we extensively absorb the essence of associated goods internationally, and constantly acquire new merchandise to satisfy the needs of shoppers for Gear Butterfly Valve, Forged Ball Valve, Flange Triple Offset Butterfly Valve. To achieve your expectations and create your profits is always our mission. We have established a standardized product quality system, we have a reasonable price advantage and a rapid warehousing and logistics response mechanism. We are committed to improving employee quality, creating top-rate quality, delivering satisfactory products and services to customers through standardized management.

【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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Our product sales network covers many countries and regions around the world, enjoys high evaluation and popularity at home and abroad, and has become one of the best suppliers of High Temperature Manual Pneumatic Butterfly Valve DN500 DN400 DN900. We advocate a people-oriented corporate culture system, providing consumers with quality and inexpensive qualified products. We are adhering to the management philosophy of customer first and quality first, which continuously improves our production capacity and quality, and makes us an important partner of well-known companies.

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