What is the material for the vacuum diaphragm valve body?

What material is suitable for the vacuum diaphragm valve body?

1. Metal data: Parts such as valve body are made of metal material. Such as cast iron, carbon steel, alloy steel, copper alloy, aluminum alloy, lead alloy, titanium alloy, Monel alloy.

2. Non-metallic materials: parts such as valve bodies are made of non-metallic materials. Such as plastic, ceramics, concrete, glass steel and so on.

3, metal fabric: the shape of the valve body is metal, the main appearance of the internal contact with the medium are fabrics, such as rubber, lining plastic, lining ceramics.