China Gold Supplier for Ductile Iron Flanged Butterfly Valve - Swing Check Valves Non-Return Valves – CVG

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China Gold Supplier for Ductile Iron Flanged Butterfly Valve - Swing Check Valves Non-Return Valves – CVG Detail:

Application
▪ Swing check valve is also called one-way valve or check valve, its function is to prevent the medium in the pipeline from flowing back. The valve whose opening and closing parts are opened or closed by the flow and force of the medium to prevent the medium from flowing back is called a check valve.
▪ Check valves belong to the category of automatic valves, which are mainly used in pipelines where the medium flows in one direction, and only allow the medium to flow in one direction to prevent accidents. This type of valve should generally be installed horizontally in the pipeline.
▪ It can be applied to a variety of medium such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea. Mainly used in pipelines such as petroleum, chemical, pharmaceutical, fertilizer, electric power, etc.

▪ Test pressure:
Shell Test Pressure 1.5 x PN
Seal Test Pressure 1.1 x PN

Material Specifications

Part	Material
Body	Cast iron, Ductile iron
Cap	Cast iron, Ductile iron
Disc	Carbon steel + Nylon + Rubber
Sealing Ring	Buna-N, EPDM
Fastener	Carbon steel, Stainless steel
Other required materials can be negotiated.

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20 Inch Butterfly Valve