Hot Selling for Flange Check Valve - Bolt Bonnet Gate Valve – Convista
Hot Selling for Flange Check Valve - Bolt Bonnet Gate Valve – Convista Detail:
1. Both design and manufacture are carried out strictly following GB/T 12234, API600 and API602. The products feature a reasonable structure, reliable seal, good performance and nice modeling.
2. Co hard alloy welded sealing surface, which is wearing resistant, erosion proof, abrasion proof and long-lived.
3. The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant.
4. PN≥15.0MPa (Class 900), the middle cavity usea a self-tightening sealing structure to have the sealing performance reiinforced along with the pressure risee so as to ensure the sealing performance.
5. There is no backward sealing structure in the valve, so the sealing id reliable.
6. The material of the filling and the flange size can be chosen and matched according to the applications and requirements of the use’s. That can satisfies all kinds of working requirements.
| Structural formation | Bolt-jointed bonnet outside stem yoke structure |
| Driving manner | Hand-operated, Gear-operated and Electric-driving |
| Design standard | GB/T 12234 |
| Face to face | GB/T 12221 |
| Flanged ends | GB/T 9113, JB/T 79, HG20592 |
| Test & inspection | GB/T 13927, JB/T 9092 |
| No. | Part name | Material |
| 1 | Body | WCB, WC1, WC6, WC9, C5, CF8, CF8M, CF8C, CF3, CF3M |
| 2 | Gate disc | WCB, WC1, WC6, WC9, C5, CF8, CF8M, CF8C, CF3, CF3M |
| 3 | Seat | A105, 304, 1Cr5Mo, 12Cr1MoV |
| 4 | Stem | 1Cr13, 2Cr13, 12Cr18Ni9, 06Cr18Ni12Mo2Ti, 20Cr1Mo1V, 25Cr2MoV |
| 5 | Stud | 35CrMoA, 06Cr19Ni10, 06Cr17Ni12Mo2, 25Cr2MoV |
| 6 | Six angle nuts | 45, 35CrMoA, 25Cr2MoV, 06Cr19Ni10, 0Cr17Ni12Mo2 |
| 7 | Gasket | Graphite & stainless steel |
| 8 | Back seat | 2Cr13, 20Cr13, 12Cr18Ni9, 06Cr18Ni12Mo2Ti, 20Cr1Mo1V, 25Cr2MoV |
| 9 | Bonnet | WCB, WC1, WC6, WC9, C5, CF8, CF8M, CF8C, CF3, CF3M |
| 10 | Packing | Graphite |
| 11 | Packing press-sleeve | 1Cr13, 2Cr13, 12Cr18Ni9, 06Cr18Ni12Mo2Ti |
| 12 | Packing gland | CF8, CF8M, CF8C, CF3, CF3M |
| 13 | Valve stem nut | Copper alloy |
| 14 | Handwheel | KTH350-10, QT400-15 |
Product detail pictures:
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That has a sound business credit history, outstanding after-sales service and modern producing facilities, we have earned an superb popularity amid our buyers across the planet for Hot Selling for Flange Check Valve - Bolt Bonnet Gate Valve – Convista, The product will supply to all over the world, such as: Uruguay, Guatemala, Turin, With the best technological support, we have tailored our website for the best user experience and kept in mind your ease of shopping. we ensure that the best reaches you at your doorstep, in the shortest possible time and with the help of our efficient logistical partners i.e DHL and UPS. We promise quality, living by the motto of promising only what we can deliver.
By Lisa from Muscat - 2018.05.15 10:52
It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
By Marjorie from Cyprus - 2018.12.10 19:03
