Excellent quality Bola Valvulas - Flanged Dual Wafer Check Valves,high quality valves,retainless valves,c95800 – 3E
Excellent quality Bola Valvulas - Flanged Dual Wafer Check Valves,high quality valves,retainless valves,c95800 – 3E Detail:
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
Product detail pictures:
Related Product Guide:
Using a complete scientific top quality management program, great high-quality and fantastic religion, we win great track record and occupied this area for Excellent quality Bola Valvulas - Flanged Dual Wafer Check Valves,high quality valves,retainless valves,c95800 – 3E, The product will supply to all over the world, such as: United States, moldova, Thailand, We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.
By Joseph from Singapore - 2017.08.28 16:02
The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
By Monica from Brasilia - 2018.11.22 12:28
