Home > Products > Check Valve > ANSI GB Cast Steel A216 Wcb Air Bleed Check Valve
ANSI GB Cast Steel A216 Wcb Air Bleed Check Valve
- 1 Case / Cases per Month
- SHANGHAI/NINGBO PORT
- T/T L/C D/P D/A PayPal
- 15 days
Product Details
Brand Name: | OYEA | Place of Origin: | China | Material: | Alloy |
Structure: | Check | Standard or Nonstandard: | Standard | Pressure: | High Pressure |
Power: | Manual | Media: | Other, Acid,Gas,Oil,Water | Temperature of Media: | High Temperature |
Product Description
The air discharge check valve is mainly used at the outlet of the feed water pump of thermal power plant. Work with the minimum flow recirculation valve of the pump to maintain the safe operation of the system.
Dimensions:
DN | L | D | D1 | D2 | D6 | b | Z-d | f | f2 | H |
100 | 430 | 360 | 292 | 245 | 138 | 66 | 8-41 | 3 | 6 | 630 |
150 | 550 | 440 | 360 | 305 | 190 | 82 | 12-48 | 3 | 6 | 650 |
175 | 610 | 475 | 394 | 340 | 214 | 84 | 12-48 | 3 | 6 | 685 |
225 | 900 | 580 | 483 | 418 | 268 | 100 | 12-58 | 3 | 6 | 765 |
250 | 900 | 670 | 572 | 508 | 319 | 110 | 16-58 | 3 | 6 | 780 |
Action principle
Open the outlet valve and start the feed pump. After the water supply reaches a certain pressure, the valve core will automatically rise and push off the seat, and the water will flow out. At the same time, the spool connecting rod pulls the vent valve plate to seal the vent. When the feed pump flow is reduced, the valve core falls and the connecting rod is pushed to open the emptying valve plate to open the recycling door to maintain the minimum flow of the pump. When the pump stops, the valve core automatically drops down to close the channel, thus preventing the damage of the high pressure water hammer to the water supply system.
USES:
Empty row check valve installed in a thermal power unit of high pressure feed water pump outlet pipe, to prevent the reverse feed water, protect the feed water pump. The pump valve with zui small work flow by the automatic recirculation valve, when the feed water pump in low load or export the door closed, automatic recirculation bypass valve should be in an open position, to ensure the safe operation of pump. When opened, recycling the bypass valve will automatically shut down.
Structural features:
A. The valve works with the recirculation bypass valve to maintain the safe operation of the system.
B. When the main disc moves up and down, the bypass valve will close under the action of medium pressure and spring. At this time, the bypass valve will open.
C. Valve disc seal is made of stainless steel surfacing, with strong abrasion resistance and reliable sealing.
D. valve should be installed vertically.
Why Choose us? |
1. Factory: |
OYEA VALVE, a specialist manufacturer, established since 2018 but professional production of industrial valves over 10 years. |
2. Regional Sale: |
We provide specialized sales service refers to different kind of region all over the world. Each sales team member is good at the local language and well experienced to the responsible market. For example: Russian, German, Spanish, Japanese, etc. |
3. Low MOQ: |
Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business well. |
4. OEM or Customize: |
OEM Service or Customized size is Available. |
5. We can make the products with the client's demand standard or the custom requirement. |
6. Complete Solution: |
We are always ready to hear from you, be responding to your enquiry immediately. Our trade manager is always online for you. |
7. High Quality: |
We have strict quality control system and amounts of testing equipments for different kind of valve, such as size, pressure, working environment etc. We are winning the market reputation with the time goes by. |
8. Quick Delivery: |
We have the large stock for some hot products. |
9. Competitive Price: |
10. We are the manufacturing company which not only has our own manufacturing workshop, but the casting company as well. We provide the straight factory price and service to our customer. |
11. Quality control: |
All the products are calibrated with real working condition, and tested before shipping as qualified product. |
12. Problem solve: |
If you can't solve the problem in your local, please delivery the product to us, we will repair it and then back to you. |
13. Integrity: All the warranty and guarantee from us will be put into come true |
14.Online Service: any inquiry, please contact with email: sale@oyeavalve.com . We will reply you within 12 hours. |
Contact Us
- Wenzhou Oyea Machinery Co.,Ltd.
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