18 Years Factory China High Quality WAFER CHECK VALVES
With advanced technologies and facilities, strict quality control, reasonable price, superior service and close co-operation with customers, we are devoted to providing the best value for our customers for 18 Years Factory China High Quality WAFER CHECK VALVES, We look ahead to providing you with our solutions in the close to long term, and you’ll discover our quotation is extremely reasonable as well as quality of our solutions is quite great!
With advanced technologies and facilities, strict quality control, reasonable price, superior service and close co-operation with customers, we are devoted to providing the best value for our customers for 150LB, 300LB, 42″, 600LB, China Check Valve, Our company is an international supplier on this kind of merchandise. We provide an amazing selection of high-quality solutions. Our goal is to delight you with our distinctive collection of mindful items while providing value and excellent service. Our mission is simple: To offer the best products and service to our customers at the lowest prices possible.
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
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18 Years Factory China Check Valve, PVC Ball Valve, Our company is an international supplier on this kind of merchandise. We provide an amazing selection of high-quality solutions. Our goal is to delight you with our distinctive collection of mindful items while providing value and excellent service. Our mission is simple: To offer the best products and service to our customers at the lowest prices possible.
