| Media: | Oil, Gas, Water, Seawater |
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| Temperature: | Ordinary Temperature |
| Material: | Cast Iron |
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Water Hammer Eliminator - CF8m CF8 WCB Dual Plate Disc Stainless Steel Wafer Silent Check Valve
The dual plate check valve is an all-purpose non return valve.
It is much stronger, lighter in weight and smaller in size.
Working employs two spring-loaded plates hinged on a central hinge pin.
When the flow decreases, the plates close by torsion spring action without requiring reverse flow.
This design offers the twin advantages of No Water Hammer and Non-Slam simultaneously.
FlowValve Dual Disc Check Valves are available in Wafer Type, Lug Type, Flanged Type.
| NO | Name | Material | |
| Chinese Spec | ASTM Spec | ||
| 1 | Body | Stainless Steel Carbon Steel | ASTM A351 CF8M ASTM A216 WCB |
| 2 | Seat | Stainless Steel | ASTM A351 CF8M |
| 3 | Spring | 0CrNi18 | ASTM A276 304 |
| 4 | Disc | Stainless Steel | ASTM A351 CF8M |
Dimension drawing:
Size:2"-12" /DN50-DN300
Working pressure:Class150
Flanged standard:ANSI B16.5, EN1092-1
Working temperature:0ºC- 120ºC
| NPS | DN | A | E | L | Kv | Cv |
| 2 | 50 | 108 | 102 | 68 | 51.4 | 60 |
| 2 1/2 | 65 | 127 | 121 | 75 | 75.4 | 88 |
| 3 | 80 | 146 | 133 | 81 | 107 | 125 |
| 4 | 100 | 178 | 171 | 103 | 184 | 215 |
| 5 | 125 | 213 | 194 | 119 | 291 | 340 |
| 6 | 150 | 248 | 219 | 143 | 351 | 410 |
| 8 | 200 | 345 | 276 | 168 | 617 | 720 |
| 10 | 250 | 407 | 337 | 211 | 1028 | 1200 |
| 12 | 300 | 419 | 406 | 287 | 1456.7 | 1700 |
Shanghai Flow Valve &Fitting Co, Ltd. was founded in 1998, mainly in foreign trade export business, has invested in two professional manufacturing factories in Shanghai Jiading Waigang Industrial Zoneand Tianjin Wuqing Jingbin Industrial Park.
These two subordinate factories are responsible for the professional production of ANSl, DINBS, GB and other standards of ball valve, butterfly valve, gate valve, stop valve, balance valve, filter, plug valve, control valve and other series of products.
Nearly 80% of the company's products are exported to Europe,America, the Middle East, Southeast Asia and other parts of the world and we also conduct technical cooperation and OEM production with many European and American companies.
Shanghai Flow Valve & Fitting Co., Ltd. began to actively participate in major domestic engineering projects in 2003.
lt has established five sales centers in Shanghai, Beijing, Guangzhou, Xi'an and Chongqing, and its business covers Northeast China, North China, Northwest China,Southwest China, Central China, South China and other regions.
The sales network and after-sales network basically cover most regions of mainland China.
Q1: Can I have a sample order for valve?
A1:Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2:Do you have any MOQ limit for valve order?
A2: Low MOQ, 1pc for sample checking is available.
Q3: How do you ship the goods and how long does it take to arrive?
A3: We usually ship by sea. It usually takes 30 days to arrive. Airline shipping also optional.
Q4:How to proceed an order for valve?
A4: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Q5:Do you offer guarantee for the products?
A5: Yes, we offer 1 year warranty to our products.
Q6: Why choose us?
A6: We are a manufacturer, we have been manufacturing for over 20 years.
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