OEM Manufacturer Wafer Double Door Check Valve - Bolt Bonnet Gate Valve – Convista
OEM Manufacturer Wafer Double Door 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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We insist on offering premium quality creation with very good company concept, honest product sales along with the finest and fast assistance. it will bring you not only the premium quality item and huge profit, but the most significant is to occupy the endless market for OEM Manufacturer Wafer Double Door Check Valve - Bolt Bonnet Gate Valve – Convista, The product will supply to all over the world, such as: Plymouth, Johannesburg, Oman, Our solutions have national accreditation standards for experienced, premium quality items, affordable value, was welcomed by people around the globe. Our goods will continue to increase in the order and look forward to cooperation with you, Really should any of those products be of interest to you, please letus know. We are going to be pleased to give you a quotation up on receipt of one's detailed specifications.
By Federico Michael Di Marco from Serbia - 2017.05.02 11:33
We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
By Christine from Nigeria - 2018.02.08 16:45
