High Performance Metal Seal Gear Operated Butterfly Valve
butterfly valve( flanged,wafer ) The flange type multi-layer metal hard seal butterfly valve 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 Gear Operated Butterfly Valve
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butterfly valve( flanged,wafer )
The flange type multi-layer metal hard seal butterfly valve 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
Design manufacture as per:GB/T 12238
Face-to-Face:GB/T 12221
End flange:GB/T9113、B/T 79，HG/T 20592
Inspection and testing:GB/T 13927
Performance Specification
Nominal diameter:1/2"(15mm)-80"(2000mm)
Nominal pressure:PN0.6,1.0,1.6,2.5,4.0Mpa
Shell test pressure:PT0.9,1.5,2.4,3.8,6.0Mpa
Low-pressure dosure test:0.6MPa
Suitable medium:water,oil,gas,products,nitric
Suitable temperature:-29°C~425°C
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