Professional Factory for China Retainerless Type Dual Plate Wafer Check Valve
As for aggressive selling prices, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such high-quality at such price ranges we’ve been the lowest around for Professional Factory for China Retainerless Type Dual Plate Wafer Check Valve, We always provide best quality products and excellent service for the majority of business users and traders . Warmly welcome to join us, let’s innovate together, and fly dreams.
As for aggressive selling prices, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such high-quality at such price ranges we’ve been the lowest around for China Check Valve, Valve, We also have good cooperation relationships with many good manufacturers so that we can offer almost all of auto parts and after-sales service with high quality standard,lower price level and warmly service to meet demands of customers from different fields and different area.
Product Description
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Product description |
Double-clack check valve/Tilting Check |
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Model |
Hn46H-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) |
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Material |
Main material: A216 WCB、WCC; A217 WC6、WC9、 A351 CF8、CF8M、CF3、CF3M、CF8C、CN7M; A352 LCB、LCC;、M35-1;A890 4A(CD3MN)、etc. |
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Design standard |
ASME B16.34、API 6D、API 594 |
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Structural length |
API 6D、API 594 |
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Connecting end |
ASME B16.5、ASME B16.47、 |
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Test standard |
API 598、ISO 5208 |
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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 |
Due to loading of spring, the valve clack can move flexibly without jamming, and has a good sealing performance. |
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Other remarks 2 |
Built-in pin roll, without external leakage point |
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Other remarks 3 |
Suitable for medium backflow prevention in pipeline or device |
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Other remarks 4 |
tShort closing travel of valve clack, and small impact at valve closing; short structural length, most suitable for positions with limited mounting spare |
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Other remarks 5 |
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. |
Available retainer type and retainerless type
Retainerless design is used in wafer,flange,lug and hub-end body style.Compared to retainer design,the retainerless deisng can provide
1- High integrity
2- No thread corrosion risk(retainered design has screwed body plugs)
3- No plug blow out risk
4- Easy disassembly
Professional Factory for China Check Valve, Valve, We also have good cooperation relationships with many good manufacturers so that we can offer almost all of valves and after-sales service with high quality standard,lower price level and warmly service to meet demands of customers from different fields and different area.









