Top Quality N08020 Valve - Dual Wafer Check Valves – 3E
Top Quality N08020 Valve - Dual Wafer Check Valves – 3E Detail:
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
Product detail pictures:
Related Product Guide:
We have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for Top Quality N08020 Valve - Dual Wafer Check Valves – 3E, The product will supply to all over the world, such as: Greece, Pretoria, San Francisco, We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.
By John biddlestone from Mexico - 2017.01.11 17:15
The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
By Doris from Argentina - 2018.09.29 17:23
