factory low price Ma Series Sliding-Stem Control Valve - Bolt Bonnet Gate Valve – Convista
factory low price Ma Series Sliding-Stem Control 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 |
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So that you can finest fulfill client's demands, all of our operations are strictly performed in line with our motto "High Excellent, Competitive Price, Fast Service" for factory low price Ma Series Sliding-Stem Control Valve - Bolt Bonnet Gate Valve – Convista, The product will supply to all over the world, such as: Luxemburg, Hungary, Liberia, Our market share of our products and solutions has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, make sure you feel free to contact us. We've been looking forward to forming successful business relationships with new clients around the world in the near future. We've been looking forward to your inquiry and order.
By Alice from Kazakhstan - 2018.11.28 16:25
In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
By Miranda from Sheffield - 2017.08.15 12:36