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V1-4: 4-36″, 900-4500# Metal-Seated Ball Valve
Brand: ValvTechnologiesValvTechnologies’ V1-4 severe service metal seated ball valve extends our core design concepts to large diameter and higher pressure applications and is the result of the evolution of the latest in manufacturing techniques and hard coating technologies expanding of all of the features and benefits of the V1-1 design in large-diameters for refinery and mining uses worldwide.
Available in 4” through 36” or larger in ASME / ANSI Classes 900 – 4500, this large bore behemoth is ready when the pressure is on.
Our absolute zero-leakage guarantee and proven low cost of ownership are second to none.
This valve is designed for critical isolation applications in the mining and minerals processing, power, hydrocarbon refining and processing, oil and gas production and other industries requiring high-performance solutions.
All ValvTechnologies’ valves can be custom designed to meet the demands of your specific application.
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
- Buttweld - Standard
- 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
- Alloy Steel (A217 WC9) - Standard
- Carbon Steel (A216 WCB) - Standard
- Duplex Steel
- Exotic Alloys
- Other Materials Available Upon Request
- Stainless Steel (A351 CF8M) - Standard
Pressure Classes
- ASME /ANSI Class 900-2500
Shutoff
- Absolute Zero-Leakage Shutoff
Sizes
- 4 - 36”