PriceList for Valves Exporter - Dual Wafer Check Valves – 3E
PriceList for Valves Exporter - Dual Wafer Check Valves – 3E Detail:
Product Description
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Product description |
Double-clack check valve |
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Model |
Hn76H-double-clack check valve |
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Nominal diameter |
NPS 2”~60”(DN50~DN1500) |
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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: A890 4A(CD3MN)、A216 WCB、WCC; A217 WC6、WC9 ;B 148 C95800、C95500, A351 CF8、CF8M、CF3、CF3M,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 B16.47、ASME B16.5 |
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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 fileds- petroleum refining, petrochemical engineering ,electric power industry , offshore oil, chemical engineering, etc. |
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Other remarks 1 |
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 2 |
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 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 |
Available retainer type and retainerless type
Testing is available including
All bodies and plates certified to EN 10204 3.1 as a minimum
Surface finish to MSS SP-55 on cast components
All valves are hydrostatically tested as per API 598
Hydrostatic pressure testing up to 15,000psig
Tensile/Bend/Impact/Hardness testing
Magnetic particle test
Dye Penetrant test
Ultrasonic examination
Chemical analysis
Positive material identification(PMI)
Ferrite content verification
Product detail pictures:

Related Product Guide:
So as to provide you with ease and enlarge our business, we even have inspectors in QC Crew and guarantee you our best company and solution for PriceList for Valves Exporter - Dual Wafer Check Valves – 3E, The product will supply to all over the world, such as: Washington, Borussia Dortmund, South Africa, Our market share of our products has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. We are looking forward to your inquiry and order.
By Prima from Costa rica - 2017.01.11 17:15
Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
By Hannah from Belarus - 2018.11.06 10:04




