Cast steel swing check valve
Product overview:
Check valves are widely used in pipelines carrying media such as metallurgy, power, oil, chemicals, air, coal, combustible gases, and water supply and drainage, including seawater desalination, air separation, high and medium pressure condensate, coal, and oil products, to prevent backflow of the media.
Technical parameters:
Specification range:DN 15-DN 600 (NPS 1/2-NPS 24)
Pressure level:PN 10-PN 250 (CL 150-CL 1500)
Using temperature:-29℃ to 425℃ (or as per customer requirements)
Connection method:Flange type, weld neck type, socket type, threaded type
Use media:Water, steam, oil
Product standards:
design standards |
GB |
API |
GB/T12236 |
API6D, BS1868 |
|
Structure length |
GB/T12221 |
API 6D, ASME B16.10 |
connecting flange |
GB/T9113, JB/T79 |
ASME B16.5 |
Testing and Inspection |
GB/T13927, JB/T9092 |
API 598, API6D, BS6755 |
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