Professional China Air Release Valve - Bolt Bonnet Gate Valve – Convista
Professional China Air Release 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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Related Product Guide:
We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for Professional China Air Release Valve - Bolt Bonnet Gate Valve – Convista, The product will supply to all over the world, such as: Manila, South Africa, Karachi, The president and all the company members would like to provide professional products and services for customers and sincerely welcome and cooperate with all native and foreign customers for a bright future.
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The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
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