China Valves Factory
Fast and very good quotations, informed advisers to help you choose the correct merchandise that suits all your preferences, a short creation time, responsible excellent command and different companies for paying and shipping affairs for China Valves Factory, our merchandise have superior popularity from the whole world as its most competive cost and our most advantage of after-sale assistance for the clients。
Fast and very good quotations, informed advisers to help you choose the correct merchandise that suits all your preferences, a short creation time, responsible excellent command and different companies for paying and shipping affairs for Chinese Valves Manufacturer, We welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to offer you with the best services. If you need more information, make sure you do not hesitate to contact us via E-mail, fax or telephone.
Product Description
|
Product description |
Double-clack check valve |
|
Model |
Hn76H-double-clack check valve |
|
Nominal diameter |
NPS 2”～60”(DN50～DN1500) |
|
Operating temperature |
-29℃～593℃(the range of service temperature may vary for different materials) |
|
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. |
|
Design standard |
API 6D、API 594、ASME B16.34 |
|
Structural length |
API 6D、API 594 |
|
Connecting end |
ASME B16.47、ASME B16.5 |
|
Test standard |
API 598、ISO 5208 |
|
Operation method |
The valve clack is automatically opened and closed under the medium force to prevent flowing to another direction. |
|
Application fields |
For application fileds- petroleum refining, petrochemical engineering ，electric power industry , offshore oil, chemical engineering, etc. |
|
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 |
|
Other remarks 2 |
Due to loading of spring, the valve clack can move flexibly without jamming, and has a good sealing performance. |
|
Other remarks 3 |
Suitable for medium backflow prevention in pipeline or device |
|
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 welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to offer you with the best services. If you need more information, make sure you do not hesitate to contact us via E-mail, fax or telephone.
