The Flowserve Valbart Rising Stem Ball Valve (RSBV) is the oil and gas industry’s choice for applications requiring a mechanically energized metal seat or soft-seat to safeguard against losses from ...

A Rising Stem Ball Valve is a type of valve that combines the features of a ball valve with a rising stem mechanism. This design allows for a clear visual indication of the valve's open or closed ...

Traditional ball valves rotate against the seat, creating friction and wear. The RSBV’s rising-stem design lifts the ball clear before rotation, delivering zero seat friction, longer service life, and ...

The valve also incorporates dual Viton O-ring stem seals for long-lasting leak-free performance over an operating temperature range of –4 to 366˚F. Pressure ratings are 1,000 psi (water, oil or gas) ...

Research and Markets has announced the addition of the "Ball Valves Market by Size (Up to 1, 1-6, 6 to 25, 25 to 50, 50 and Above), Type (Trunnion Mounted, Floating, Rising Stem), Material ...

Figure 1. Sliding-stem globe and angle control valves. The first distinction among globe and angle valves is whether the valve is post- or cage-guided. In post-guided valves (see Figure 2), the ...

A rising stem ball valve is a type of valve used to control the flow of liquids or gases through a pipeline. It consists of a ball with a hole in the center that can be turned to either allow or block ...