High Performance Metal seal Butterfly Valve
The flange type multi-layer metal hard seal butterfly valv has the following features: 1. U shaped stainless steel seal ring is used; the valve plate has certain elasticity so as to have good sealing with the butterfly plate no matter at high temperature or low temperature; 2. The valve is metal on metal line sealing valve; the sealing faces of the butterfly plate is made of stainless steel or hard alloy by buildup welding, and thus have good wearing resistant performance and long service life; 3. The butterfly plate is designed to be streamline type; the parameters of the through rod and the anti-wearing sleeve provide good sealing performance and temperature, pressure, wearing and corrosion resistant performance to the valve; 4. The connection method of the valve can be designed to be flange connection and clip connection; 5. The drive method can be manual, electric or pneumatic.
Keyword： High Performance Metal seal Butterfly Valve
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Detail
The flange type multi-layer metal hard seal butterfly valv has the following features:
1. U shaped stainless steel seal ring is used; the valve plate has certain elasticity so as to have good sealing with the butterfly plate no matter at high temperature or low temperature;
2. The valve is metal on metal line sealing valve; the sealing faces of the butterfly plate is made of stainless steel or hard alloy by buildup welding, and thus have good wearing resistant performance and long service life;
3. The butterfly plate is designed to be streamline type; the parameters of the through rod and the anti-wearing sleeve provide good sealing performance and temperature, pressure, wearing and corrosion resistant performance to the valve;
4. The connection method of the valve can be designed to be flange connection and clip connection;
5. The drive method can be manual, electric or pneumatic.
Design standards
Technical specification：ANSI
Design Standard：ASME B16.34
Face to Face：API 609
Flanged Ends：ASME B16.5
Test and Inspection：API 598
Performance Specification
Nominal pressure:Class150/300
Strength test: 3.0Mpa 7.5Mpa
Seal Test: 2.2Mpa 5.5Mpa
Gas seal test: 0.6Mpa
Valve body material: WCB,CF8,CF8M，Duplex Stainless Steel
Suitable medium: Water, steam, oil, acid corrosive media and dust particles
Suitable temperature:carbon steel ≦425℃,Stainless steel ≦ 600℃,Heat resistant steel ≦850℃
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