100% Original Stainless Steel Valve - Bolt Bonnet Gate Valve – Convista
100% Original Stainless Steel 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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Our progress depends around the innovative machines, great talents and consistently strengthened technology forces for 100% Original Stainless Steel Valve - Bolt Bonnet Gate Valve – Convista, The product will supply to all over the world, such as: Tunisia, Rio de Janeiro, Karachi, Our company's main items are widely used all over the world; 80% of our products and solutions exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
By Victoria from Switzerland - 2017.06.19 13:51
With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
By Amy from New Orleans - 2018.09.23 17:37
