China OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Blue) – Dongsheng



China OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Blue) – Dongsheng Detail:
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Product Description
Diaphragm Valves have two kinds of types, wire and full flow, which use a ‘pinching’ method to stop the valve flow using a flexible diaphragm.These types of valves are generally not suited for very high-temperature fluids and are mainly used on liquid systems.
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Advantages of Diaphragm Valve
- Can be used as on-off and throttling service valves.
- Offer good chemical resistance due to a variety of linings available.
- Stem leakage is eliminated.
- Provides bubble-tight service.
- Does not have pockets to trap solids, slurries, and other impurities. It is suitable for slurries and viscous fluids.
- These valves are particularly suitable for hazardous chemicals and radioactive fluids.
- These valves do not permit contamination of flow medium, thus they are used extensively in food processing, pharmaceutical, brewing, and other applications which cannot tolerate any contamination.
Typical Application of Diaphragm Valves
- Clean or dirty water and air service applications
- Demineralized water systems
- Corrosive applications
- Radwaste systems in nuclear facilities
- Vacuum service
- Food processing, pharmaceutical, and brewing systems
Product parameter
NO. | Part | Material |
1 | Body | GG25 |
2 | Lining | NR |
3 | Diaphragm | NR |
4 | Disc | GG25 |
5 | Bonnet | GG25 |
6 | Shaft | Steel |
7 | Sleeve | ABS |
8 | Sleeve | ABS |
9 | Handle | GGG40 |
10 | Pin | Steel |
11 | Bolt | Steel |
DN(mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
L (mm) | 194 | 216 | 258 | 309 | 362 | 412 | 527 | 640 | 755 | |
L1(mm) | 188 | 222 | 252 | 301 | 354 | 404 | 517 | 630 | 745 | |
ΦE (mm) | 165 | 185 | 198 | 220 | 250 | 283 | 335 | 395 | 445 | |
ΦD (mm)(EN1092-2) | PN10 | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 350 | 400 |
PN16 | 355 | 410 |
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