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Concentric Butterfly Valve
Description:
Due to the adoption of the central-axis sealing structure, BAOYI Concentric butterfly valve has reliable forced seal, and the product design can meet such relevant standards as API 609 and EN 593. Generally, the product can be widely applied as the control equipment for cutting off or connecting the medium and adjusting the flow in the pipelines for petroleum, chemical product, metallurgy, electric power, food, medicine, water supply and drainage, gas delivery, etc.
Product Types:
| Structure | Connection Ends | Size Range | Pressure Rating | Body Material | Trim Material |
| End Flanges | NPS2～NPS48(DN50～DN2000）Size Range: NPS2～NPS48(DN50～DN2000) | Class150（PN6～PN16）Pressure Rating: Class150(PN6～PN16) | Carbon Steel、Stainless Steel、Alloy Steel | Stainless Steel、Alloy Steel |
Structure Features:
·Due to the adoption of the central-line sealing design principle, the product has reliable two-way sealing property;
·The soft sealing ring has the features of corrosion resistance, difficult aging and low friction coefficient;
·The soft sealing ring has automatic compensation function;
·The product has the flow characteristic tending to straight line and good adjustment performance;
·With the streamline design, the butterfly plate has small fluid resistance;
·Flange sealing gasket is not needed for installation.
·The soft sealing ring has the features of corrosion resistance, difficult aging and low friction coefficient;
·The soft sealing ring has automatic compensation function;
·The product has the flow characteristic tending to straight line and good adjustment performance;
·With the streamline design, the butterfly plate has small fluid resistance;
·Flange sealing gasket is not needed for installation.
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