Rising Stem Ball Valves (RSBV)
Control Seal non-contact Rising Stem Ball Valves have a single-seat non-friction design that is able to operate and has proven an exceptional long life span under extreme conditions.
The Rising Stem Ball Valve sealing mechanism is based upon axial movement only, compared to standard Ball, Gate, Plug and butterfly valves having their sealing mechanism based upon shear force, friction and tearing.
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