China • Yuanda Valve Group Co., Ltd.
| Payment Terms | T/T, |
| Supply Ability | 1000 PCS per year |
| Delivery Time | 5-8 work days |
| Packaging Details | wooden box 1200*1100*1100 |
| Media | Water, Oil, Gas |
| Power | Manual |
| Material | Stainless Steel |
| Pressure | Medium Pressure |
| Structure | globe |
| Standard or nonstandard | Standard |
| Standard | DIN |
| Brand Name | Y |
| Model Number | WJ41H |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, | Supply Ability | 1000 PCS per year |
| Delivery Time | 5-8 work days | Packaging Details | wooden box 1200*1100*1100 |
| Media | Water, Oil, Gas | Power | Manual |
| Material | Stainless Steel | Pressure | Medium Pressure |
| Structure | globe | Standard or nonstandard | Standard |
| Standard | DIN | Brand Name | Y |
| Model Number | WJ41H | Place of Origin | China |
| High Light | Manual GG25 Globe Valve ，Stainless Steel GG25 Globe Valve ，DIN GG25 | ||
Bellows stop valve, also known as bellows seal stop valve, forms a metal barrier between fluid medium and atmosphere through automatic roll welding to ensure the design of zero leakage of valve stem. Bellows structure is adopted inside the bellows stop valve, and the lower end of the stainless steel bellows is welded on the valve stem to prevent the process fluid from etching the valve stem. The other end is placed between the valve body and the valve cover to form a static seal. Double sealing design is adopted. If the bellows fails, the valve rod packing will also avoid leakage. The bellows is welded to the valve rod to maintain stable operation performance and avoid valve rod vibration caused by valve plug vibration. It is most suitable for pipelines with steam, flammable, explosive, heat transfer oil, high purity, toxic and other media. Features of bellows stop valve: 1. Reasonable product structure, reliable sealing performance and beautiful appearance; 2. The sealing surface is overlaid with Co based cemented carbide, with good wear resistance, corrosion resistance, friction resistance and long service life; 3. The valve rod is subject to quenching and tempering and surface nitriding treatment, with good corrosion and friction resistance; 4. Right angle German standard bellows stop valve has double sealing and more reliable performance; 5. Valve rod lifting position indication, more intuitive; 6. Part material, flange and butt welding number and size can be reasonably selected according to actual working conditions or user requirements to meet various engineering needs
In the field of aseptic process industry, "the competition between bellows valve and diaphragm valve" has a long history. For a long time, diaphragm valve has occupied the advantages of simple structure, low price and convenient cleaning and disinfection.
The key component of Vesta bellows valve is the stop bellows made of tfm1705 PTFE. In addition to resisting the corrosion of various chemical media, tfm1705 material can also be used
Characteristics of bellows stop valve:
1. Double sealing design (bellows + packing) if the bellows fails, the valve stem packing will also avoid leakage and comply with international sealing standards
2. No fluid loss, reduce energy loss and improve plant equipment safety
3. Long service life, reduce maintenance times and reduce operating costs
4. The rugged bellows seal design ensures zero leakage of the valve stem and provides maintenance free conditions
5. PTFE soft sealing material is used for gas medium valve seat to improve the sealing performance of the valve
6. The valve seat with high temperature resistance ≤ 425 ℃ adopts conical hard seal. Achieve air tightness and zero leakage
| Part Name | Material |
| Body | GG25/ GGG50 |
| Disc | SS420 |
| Bonnet | GG25/GGG50 |
| Bellow | SS304 |
| Stem | ss304 |
Company Details
Business Type:
Manufacturer
Year Established:
2002
Total Annual:
250million-280million
Employee Number:
3500~4000
Ecer Certification：
Active Member
Yuanda Valve Group Co., Ltd., founded in 1994, is headquartered in Yincun, Longyao, Hebei, China, the hinterland of Bohai Economic Rim surrounding Beijing and Tianjin. With a registered capital of RMB 200 million, Yuanda currently has 8 subsidiaries, of which 6 are in China and 2 overseas. Among the... Yuanda Valve Group Co., Ltd., founded in 1994, is headquartered in Yincun, Longyao, Hebei, China, the hinterland of Bohai Economic Rim surrounding Beijing and Tianjin. With a registered capital of RMB 200 million, Yuanda currently has 8 subsidiaries, of which 6 are in China and 2 overseas. Among the...
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