China Wholesale China GOST wcb Gate Valve,DUAL WAFER CHECK
We keep on with our business spirit of “Quality, Performance, Innovation and Integrity”. We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for China Wholesale China GOST wcb Gate Valve,DUAL WAFER CHECK, If you are interested in any of our products and services, please don’t hesitate to contact us. We are ready to reply you within 24 hours after receipt of your request and to create mutual un-limited benefits and business in near future.
We keep on with our business spirit of “Quality, Performance, Innovation and Integrity”. We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for Cast Steel Valve, China GOST Gate Valve, With the technology as the core, develop and produce high-quality goods according to the diverse needs of the market. With this concept,the company will continue to develop products with high added values and continuously improve solutions,and will give many customers with the best solutions and services!
Product Description
|
Product description |
Double-clack check valve |
|
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） |
|
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
We keep on with our business spirit of “Quality, Performance, Innovation and Integrity”. We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for China Wholesale China GOST wcb Gate Valve, If you are interested in any of our products and services, please don’t hesitate to contact us. We are ready to reply you within 24 hours after receipt of your request and to create mutual un-limited benefits and business in near future.
China Wholesale China GOST Gate Valve, Cast Steel Valve, With the technology as the core, develop and produce high-quality goods according to the diverse needs of the market. With this concept,the company will continue to develop products with high added values and continuously improve solutions,and will give many customers with the best solutions and services!
