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| Body： |
GGG40/ASTM A216 WCB? |
| Seat： |
PTFE |
| Disc ： |
ASTM A216 WCB?/CF8 /CF8M |
| Top Flange： |
ISO 5211 |
| Size Range ： |
DN50-DN1200 |
| Working Temperature： |
Up to 200°C |
| Drilling Flange： |
PN10/PN16/Class 150 |
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PTFE lined concentric butterfly valve for corrosive fluids and are used in various industries, for example:
pure industrial water treatment, chemical industry (acids, alkalines), pharmaceutical/sanitary industry, food and beverage industry, paper industry, pulp processing, corrosive, toxic and caustic media, production of chlorine, dyes manufacturing and processing.
PTFE lined butterfly valve are widely used in the transportation of liquids and gases (including steam) in various types of industrial pipelines, especially in the use of severely corrosive media, such as: sulfuric acid, phosphoric acid, chlorine, strong alkali, aqua regia, etc. and strong corrosive medium.?
Concentric butterfly valve is used in water and wastewater treatment plants, fire protection systems, and gas supply.
