Product Code : VF--JCC-J49-CU
Caliber DN; 15-500.
Nominal pressure 1.6Mpa-4.0Mpa
Applicable temperature; - 40 ~ + 150 ℃
Body: high silicon corrosion resistant nickel steel
Valve cover: high silicon corrosion resistant nickel steel
Stem: chrome stainless steel
Valve disc sealing surface: plasma spray welding, surfacing corrosion resistant alloy
Sealing surface of the seat: pressure plastic integral sintered polytetrafluoroethylene
Packing: polytetrafluoroethylene
Gasket: PTFE
Bellows: 316L, C-276
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LQWJ41H Special Bellows for chlorine gas globe Valve Product Introduction:
It is specially designed for chlorine gas, liquid chlorine and all kinds of high danger media. In addition to the packing, the seal also adds a bellows seal, so that it has a double sealing structure, which 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 are made of corrosion-resistant polytetrafluoroethylene and Staili carbide, with stable sealing performance, safe and reliable use, strong corrosion resistance, no internal and external leakage in the medium and light operation. Its sealing, maintainability, safety and other main technical indicators have reached the level of world-renowned products, replacing imported products.
Design features:
one According to the specific characteristics of the medium, the special bellows for chlorine gas globe valve is made of corrosion-resistant alloy on the body material, which is resistant to chlorine gas and liquid chlorine corrosion, and the low temperature can reach -40℃ to maximize the use requirements of working conditions.
2. The hydroformed bellows form the first seal, ensuring zero leakage of the stem seal
3. In the packing box, multistage polytetrafluoroethylene packing is combined on the bellows to form a second pass, which increases the reliability of the seal
4. The middle flange adopts the mortise and groove sealing structure, which ensures the reliable sealing of the middle flange even when the pipeline pressure fluctuates
5. The non-rotating stem prevents the bellows from twisting and ensures a longer cycle of valve life
6. The structure of the sealing pair adopts cone and plane type, sealing automatic compensation, to achieve double insurance effect, stable sealing performance, no adhesive wear, long service life
Using strong corrosion resistant polytetrafluoroethylene and Stelli carbide, stable sealing performance, safe and reliable use, strong corrosion resistance, no medium inside and outside leakage and light operation.
Packing of Standard Packing:
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 470 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition