DN50 (2

DN50 (2") ~DN1200 (48") API High Temperature/Heat Resistance Hard Seal Flange Butterfly Valve with Pneumaticn Hydraulic Motorized Electric

* 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

Our entire range of Lug Type Butterfly Valve, LUG Double Offset Butterfly Valve, Bidirectional Triple Offset Butterfly Valve is checked for quality and performance to ensure that only a flawless range is being dispatched to our clients. We have advanced production technology, and pursuit innovative in products. We uphold a rigorous scientific attitude, pragmatic work style, and honest business philosophy to create a better tomorrow with our customers! As a leading manufacture and exporter, we enjoy a good reputation in the international markets, because of our top quality and reasonable prices. We have expanded our business all over the world.

【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 hope that we will develop together with you in order to jointly improve the manufacturing DN50 (2") ~DN1200 (48") API High Temperature/Heat Resistance Hard Seal Flange Butterfly Valve with Pneumaticn Hydraulic Motorized Electric and innovative technology level! We are favored by domestic and foreign customers with scientific management and strict quality control. We are willing to cooperate with our colleagues at home and abroad with high quality products and excellent service for mutual benefit.

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