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

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We can easily normally satisfy our respected buyers with our excellent high-quality, excellent selling price and good service due to we've been far more expert and more hard-working and do it in cost-effective way for Dual Plate Check Valves, Wafer Type Non Return Valve, Cast Iron Ball Valve, Welcomes all abroad close friends and retailers to ascertain collaboration with us. We are going to give you with genuine, high-quality and successful company to satisfy your requirements.
China OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – 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.

Our company sticks to the principle of “Quality is the life of the company, and reputation is the soul of it” for China DIN Flange Cast Iron Diaphragm Valve Rising Stem GG25 Body, All products come with good quality and perfect after-sales services. Market-oriented and customer-oriented are what we have been being after. Sincerely look forward to Win-Win cooperation! Please feel free to contact us by email info@lzds.cn or phone/WhatsApp +86 18561878609.

Our factory covers an area of 30,000 square meters and employs 148 people. After 20 years of focus, we have developed into a world famous valve production base, valve products are exported to Europe, America, Africa, Southeast Asia, Australia and other more than 70 countries.
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

Product parameter2Product parameter1

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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RISING STEM DIAPHRAGM VALVE(BLACK)


Product detail pictures:

China OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – Dongsheng detail pictures

China OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – Dongsheng detail pictures

China OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – Dongsheng detail pictures


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We have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for China OEM Weir Diaphragm Valve - Rising Stem Diaphragm Valve(Black) – Dongsheng , The product will supply to all over the world, such as: Nepal, Mozambique, Spain, At Present, our merchandise have been exported to more than sixty countries and different regions, such as Southeast Asia, America, Africa, Eastern Europe, Russia, Canada etc. We sincerely hope to establish wide contact with all potential customers both in China and the rest part of the world.
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Maxine from Mauritius - 2017.08.28 16:02
    Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Doris from Jeddah - 2017.06.19 13:51
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