- Why chlorine gas bellows globe valve sells well
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The bellows globe valve greatly reduces the pressure deviation caused by factors such as upstream pressure changes and flow changes. Improved streamline distribution and reduced noise. The bellows globe valve is suitable for flammable, explosive, highly toxic, toxic fluid, high temperature heat transfer oil, liquid ammonia and other media with a nominal pressure of PN1.6~16MPa and a working temperature of -29~350°C.
Bellows stop valve structure features:
1. The hydraulically formed bellows forms the first seal, the chlorine bellows stop valve is the key component of the metal bellows, the lower end and the stem assembly are automatically welded by welding, the upper end and the connecting plate are automatically rolled and welded, in the fluid medium and the atmosphere. A metal barrier is formed to ensure zero leakage of the valve stem.
2. The multi-stage PTFE packing combination in the stuffing box forms a second seal on the bellows, which increases the reliability of the seal.
3. The multi-stage PTFE sealing material is used in the upper sealing device to form a combined seal to ensure that the packing box has no medium leakage during the service life, which eliminates the weak seal of the ordinary valve packing box, the medium is easy to leak, and even causes accidents. may.
4. 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.
5. The sealing pair matching structure adopts cone and flat type, and the seal is automatically compensated to achieve double insurance effect, stable sealing performance, no adhesive wear and long service life.
The company's best-selling bellows globe valve is a chlorine gas bellows globe valve. It is designed for chlorine, liquid chlorine and various high-risk media. Because its seal adds a bellows seal in addition to the filler, it has a double seal structure, which can effectively resist 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.
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