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NexTech R Series Trunnion Ball Valve
Brand: ValvTechnologiesValvTechnologies is committed to excellence in the design, manufacturing, service and testing of all its severe service isolation valves, while providing absolute tight shut-off solutions to meet and exceed customer expectations.
The NexTech® R Series (regular series) utilize the same coating and live-loading technology that built the V Series product line, but in a lower-torque, inherently bi-directional package.
NexTech® valves are designed and configured to handle corrosive, high-temperature, high-cycle, high-solid applications requiring tight shut-off.
This valve represents the state-of-the-art in severe service metal seated ball valve technology.
Engineered with the same quality standards of all ValvTechnologies’ products, the NexTech® R Series valve is stocked and ready to ship.
While the R Series is our stock model, there is nothing basic about its design and performance.
This valve design represents the state-of-the-art in severe service metal seated ball valve technology.
It has all the features and benefits of the E Series design, but with limited metallurgical and testing options in order to provide this to the market at the lowest cost possible.
ValvTechnologies’ low pressure, trunnion-style, metal-seated ball valve incorporates many of the features of the traditional integral seat design into a lower-torque, bi-directional valve.
The NexTech® R features a readily adjustable stem sealing design with a four-stud, live-loaded, industrial-grade packing gland assembly and offers diamond mate-lapped tungsten or HVOF RiTech® coating on sealing surfaces.
The NexTech® R is available in a variety of end connections to meet customer’s specifications.
Features- Live-loaded gland area - NexTech® R’s 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.
- Carbide sealing surfaces - 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.
- High integrity seat surfaces - To prevent leaks around the seats, ValvTechnologies has developed an innovative double seal design for high temperature operation and/or high cycling applications. In low temperature, high cycling service, a secondary elastomer seal is installed on the seat perimeter
- Solids resistance - In addition to the carbide coatings which will allow the valve to function in highly abrasive applications, the individual valve parts have additional seals to prevent interference from solids in the system. This provides for outstanding performance in catalyst systems, streams with solids contamination and polymers.
Specifications
Brand
End Connections
- ANSI Raised-Face Flange - Standard
- ANSI Ring Typical Joint Flange - Standard
- Other End Connections Available Upon Request
In Compliance
- API 607
- API 6D
- ASME B16.34
- ISO 15848-1, Fugitive Emissions
- NACE MR-0103
- NACE MR-0175, ISO 15156
- Nuclear ASME III Class 1, 2 & 3
- Nuclear Safety Related - 10CFR50 Appendix B
- PED
- SIL 3
Materials of Construction
- Carbon Steel (A352 LCB) - Standard
- Duplex Steel
- Exotic Alloys
- Other Materials Available Upon Request
- Stainless Steel (A351 CF8M) - Standard
Pressure Classes
- ASME /ANSI Class 300-900
Shutoff
- Absolute Zero-Leakage at Test. FCI 70-2 Class VI or Better in Service
Sizes
- 2 - 30”