China Gold Supplier for China Shanghai ASME Wafer Butterfly Double Flap 20-Inch Non-Standard Cast Iron Check Valve
We have quite a few great team customers very good at internet marketing, QC, and dealing with kinds of troublesome trouble while in the output approach for China Gold Supplier for China Shanghai ASME Wafer Butterfly Double Flap 20-Inch Non-Standard Cast Iron Check Valve, We have now much more than 20 years experience with this industry, and our profits are perfectly experienced. We can easily supply you with the most specialist solutions to meet your products’ needs. Any troubles, appear to us!
We have quite a few great team customers very good at internet marketing, QC, and dealing with kinds of troublesome trouble while in the output approach for China Non Return Valve, Large Diameter Check Valve, We hope we can establish long-term cooperation with all of the customers. And hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you have to have!
Product Description
|
Product description |
Double-clack check valve |
|
Model |
Hn76H-double-clack check valve |
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Nominal diameter |
NPS 2”～24”(DN50～DN600) |
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Operating temperature |
-29℃～593℃(the range of service temperature may vary for different materials) |
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Nominal pressure |
CLASS 150～2500 （PN20～PN420） |
|
Material |
Main material: A890 4A(CD3MN)、5A(CE3MN)、6A(CD3MWCuN);A216 WCB、WCC; A217 WC6、WC9;; A352 LCB、LCC; A、M35-1； ASME B 148 C95800、C95500；A351 CF8、CF8M、CF3、CF3M、CF8C，etc. |
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Design standard |
API 6D、API 594、ASME B16.34 |
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Structural length |
API 6D、API 594 |
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Connecting end |
ASME B16.5、ASME B16.47、GB/T 9113 |
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Test standard |
API 598、ISO 5208、GB/T 26480、GB/T 13927 |
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Operation method |
The valve clack is automatically opened and closed under the medium force to prevent flowing to another direction. |
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Application fields |
For application in fields such as electric power industry, petroleum refining, petrochemical engineering, offshore oil, tap water engineering in urban construction, chemical engineering, etc. |
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Other remarks 1 |
The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve. |
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Other remarks 2 |
Short closing travel of valve clack, and small impact at valve closing; short structural length, most suitable for positions with limited mounting space |
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Other remarks 3 |
Suitable for medium backflow prevention in pipeline or device |
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Other remarks 4 |
Built-in pin roll, without external leakage point |
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Other remarks 5 |
Due to loading of spring, the valve clack can move flexibly without jamming, and has a good sealing performance. |
Available retainer type and retainerless type
Independent spring design
A spring design of dual plate check valve(6” and larger) allows higher torque to be exerted against each plate with independent closing in response to the process stream.testing has proved this action provides about 20% improvement in valve life and 50% reduction in water hammer.Each of the dual plates has its own springs,which provide independent closing action
We have quite a few great team customers very good at internet marketing, QC, and dealing with kinds of troublesome trouble while in the output approach for China Gold Supplier for China Shanghai ASME Wafer Butterfly Double Flap 20-Inch Non-Standard Cast Iron Check Valve, We have now much more than 20 years experience with this industry, and our profits are perfectly experienced. We can easily supply you with the most specialist solutions to meet your products’ needs. Any troubles, appear to us!
China Gold Supplier for China Non Return Valve, Large Diameter Check Valve, We hope we can establish long-term cooperation with all of the customers. And hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you have to have!
