Cast Iron Butterfly Valve

Cast Iron Butterfly Valve

Introduction:

The valve is mainly used to cut off the fluid it also can be designed to have the function of adjusting and cutting off the fluid. Users can choose pin or without pin type according to different requirements

Configuration Options:

Name of Parts	Material	Advantages/Disadvantages
Valve Body	Grey cast iron	The most common material in butterfly valves, mainly used in water systems, is easily corroded, has a short service life and is cheap.
	Ductile cast iron	The performance of the butterfly valve is comparable to that of carbon steel. It is generally used in water system pipes, and it is also a very widely used material in water systems at present.
	Carbon steel	It can also be used in water systems, but it is not used much. Carbon steel butterfly valves have high temperature and pressure resistance. Generally, hard-sealed butterfly valves are mostly made of carbon steel.
	Stainless Steel	It has good anti-corrosion and anti-corrosion properties, and is also mostly used in pipelines that need anti-corrosion and anti-rust, and the cost is relatively high.
Valve Disc	Stainless Steel	Stainless steel has a strong ability to resist tension, wear and corrosion. Stainless steel is much stronger than copper in material. Stainless steel will not produce corrosion, pitting, rust or wear and high temperature resistance.
	Bronze	Bronze has excellent low temperature resistance, good corrosion resistance, wear resistance, casting and excellent mechanical properties
Valve Seat	EPDM	Suitable medium -20-120℃ water, steam, etc
	NBR	Applicable medium 0-80℃ oil class
	PTFE	Applicable to corrosive media below 200℃
	Hard alloy	Suitable for high temperature and high pressure environment
Hand Wheel	Cast Iron	Cost less than bronze and cast steel

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