Yuming ANSI flanged swing check valve, WCB cast steel body, Class150 pressure rating, flanged connection. It opens by medium flow pressure and closes automatically to prevent backflow, protecting pipeline equipment. Manufactured in accordance with ANSI standards, available with API, CE, EAC certifications.
Advantages
Applications Oil & gas, chemical, power plant, metallurgy, water supply and wastewater treatment, installed at pump outlets and pipeline branches.
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| Part Name | Material | |||
|---|---|---|---|---|
| Body | WCB | A351 CF8 | 15CrMo | 15Cr1Mo1V |
| Bonnet | WCB | A351 CF8 | 15CrMo | 20CrMoV |
| Disc | A105, ZG20Cr13 | A351 CF8 | 15CrMo | 20CrMoV |
| Seat Face | 13Cr / STL | W/Y/F | STL | STL |
| Guide Sleeve | 20Cr13 | 00Cr18Ni9 | 15CrMo | 15Cr1Mo1V / F22 |
| Gasket | 304 + Flexible Graphite | PTFE | 304 + Flexible Graphite | 304 + Flexible Graphite |
| Bolt | 35 | A193 B8 | 35CrMoA / A193-B16 | 35CrMoA / A193-B16 |
| Nut | 25 | A194 8 | 30CrMo / A194-4 | 30CrMo / A194-4 |
| Operating Temperature | -29 ~ 425℃ | -196 ~ 425℃ | -29 ~ 550℃ | -29 ~ 570℃ |
| Suitable Medium | Water, Steam, Oil, etc. | Nitric acid & weak corrosive media | Water, Steam, Oil, etc. | Water, Steam, Oil, etc. |
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