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V1-2: 1/2-36″, 150-600# Metal-Seated Ball Valve
Brand: ValvTechnologiesGet outstanding flexibility and reliability in the lower pressure class rage.
ValvTechnologies V1-2 flanged valves come in more sizes – you can put superior performance and long life where they are needed, in virtually any cast or forged material.
Specify them with special end connections.
Order them with the purge ports you need – and cavity fillers, cryogenic stem extensions, fugitive emission bonnets…all these options can be added to the valves that feature HVOF RiTech® hard coatings as standard – and absolute zero-leakage guarantee.
Features- Integral metal seat - With our proprietary HVOF RiTech® coating technology, the integral seat in ValvTechnologies’ valves is resistant to the attack of abrasive magnetite and ferrous oxides that may be seen in the steam flow.
- Body seal ring - ValvTechnologies employs a field proven seal ring technology to ensure sealing under all operating conditions, up to 1400°F. The body seal ring is loaded at a pressure higher than 20,000 psi. In addition, valves sized three inch and above contain a secondary Grafoil seal to further guarantee reliability
- Patented coating process - The sealing surfaces are overlaid with tungsten or chromium carbide using our exclusive HVOF RiTech® process. These surfaces have a hardness of 68 – 72 Rc to allow long periods of operation in the most severe conditions.
- Live-loaded gland area - The V Series’ sealing design features a four stud, live-loaded assembly designed for heavy industrial applications. The sealing material is high purity Grafoil® surrounded by stainless steel wire mesh anti-extrusion rings. The six Belleville® springs (per stud) provide constant load pressure through extreme thermal shocks and prevent wear leaks in high-cycle service.
- Blow-out proof stem design - Utilizes a one piece, hard-faced, blow-out proof stem that is inserted through the inside of the body cavity eliminating the possibility of blow-out through the gland area.
Specifications
Brand
End Connections
- Other End Connections Available Upon Request
- Raised Face Flange - Standard
In Compliance
- ASME B16.34
- Nuclear ASME III Class 1, 2 & 3
- Nuclear Safety Related - 10CFR50 Appendix B
- PED
- SIL
Materials of Construction
- Carbon Steel (A216 WCB) - Standard
- Duplex Steel
- Exotic Alloys
- Other Materials Available Upon Request
- Stainless Steel (A351 CF8M) - Standard
Pressure Classes
- ASME /ANSI Class 150-600
Shutoff
- Absolute Zero-Leakage Shutoff
Sizes
- 1/2 - 36”