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V1-1: Compact, Light-Weight Design Metal-Seated Ball Valve
Brand: ValvTechnologiesThe flagship of the ValvTechnologies’ product line, the V1-1, is the valve by which all other severe service metal-seated ball valves are measured.
The V1-1 design includes integral seats, RiTech® hard coatings, blowout-proof stem and live-loaded packing.
Primarily used in severe service applications, V1-1 valves are manufactured to each customer’s unique specifications.
The V Series’ proven seat supported design provides improved performance, far beyond the capability of linear operated valves which feature obstructed and torturous flow paths.
ValvTechnologies’ design and construction delivers the extra safety margin so crucial to maintaining productivity: customers benefit by realizing increased security, less downtime and lower maintenance.
V1-1’s are engineered to be leak-free, maximize flow and reduce the overall cost of ownership.
So confident of their performance, only ValvTechnologies’ V1-1 valves are backed by the best four year, zero-leakage warranty in the industry.
This valve is available in sizes 1/4 – 3/4” (3/8” bore) which extends the offering to allow for typical instrumentation and sampling applications.
This small, light-weight valve has all the benefits of the larger sizes but has a greatly reduced weight and size which allows customers to benefit from this reliable option.
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’ design utilizes a one-piece, hard-coated, blow-out proof stem that is inserted through the inside of the body cavity eliminating the possibility of blow-out through the gland area. There are no pins, collars or other devices used to retain the stem in the valve body.
- 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.
- Zero-leakage shutoff - ValvTechnologies tests every valve according to ANSI procedures, however, we toughen the standard and define zero-leakage as no detectable leakage of gas or a liquid for a period of three minutes or greater. The ValvTechnologies’ standard is zero drops and zero bubbles, guaranteed.
Specifications
Brand
End Connections
- Buttweld - Standard
- Other End Connections Available Upon Request
- Socketweld - 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 (F22, F91) - Standard
- Carbon Steel (A105WCB) - Standard
- Duplex Steel
- Exotic Alloys
- Other Materials Available Upon Request
- Stainless Steel (316H) - Standard
Pressure Classes
- ASME /ANSI Class 900-4500
Shutoff
- Absolute Zero-Leakage Shutoff
Sizes
- 1/4 - 3/4” (3/8” Bore)