- Application of bellows globe valve on chlorine gas
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Chlorine-specific bellows globe valves are designed for chlorine, liquid chlorine and all types of high-risk media. Its seal adds a bellows seal in addition to the packing, which has a double seal structure and can effectively prevent the leakage of dangerous media. In terms of structure, combined with the actual situation of valve application at home and abroad, the valve disc and seat sealing pair adopts strong corrosion resistant PTFE and stellite hard alloy, which has stable sealing performance, safe and reliable use, and strong corrosion resistance. , no media inside, outside leakage and light operation. Its main technical indicators such as sealing, maintainability and safety have reached the level of world-renowned products, replacing imported products.
Chlorine gas special bellows globe valve structure features:
1. The hydraulically formed bellows forms the first seal to ensure zero leakage of the stem seal.
2. The packing combination of graphite and other fillers in the stuffing box forms a second seal on the bellows, which increases the reliability of the seal.
3. The middle flange adopts the groove sealing structure to ensure the reliable sealing of the middle flange even in the case of fluctuation of the pipeline pressure.
4. The sealing pair matching structure type adopts flat type, stable sealing performance, no adhesive wear and long service life.
Chlorine gas special bellows globe valve features:
1. According to the specific characteristics of the medium, the special bellows valve for chlorine gas is made of corrosion-resistant alloy on the material of the valve body. It is resistant to chlorine gas and liquid chlorine. The low temperature can reach -40 °C, and the working conditions can be guaranteed to the maximum extent.
2. The hydroformed bellows form the first seal, ensuring zero leakage of the stem seal
3. The filler combination of graphite and the like in the stuffing box forms a second seal on the bellows, which increases the reliability of the seal.
4. The middle flange adopts a gutter sealing structure to ensure reliable sealing of the middle flange even in the case of pipe pressure fluctuations.
5. The non-rotating valve stem prevents the bellows from twisting, ensuring a longer life of the valve.
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