Alloy Steel Butterfly Valves, Electric Actuator, Metal Seated, Tri Eccentric

Features of high temperature butterfly valves

The special sealing system of this product guarantees excellent sealing performance across a wide range of temperatures, from extremely low to extremely high. It remains reliably sealed even under high temperature and high-pressure conditions, making it highly suitable for various applications.

The valve's optimized design and three-dimensional eccentric sealing system have been implemented to minimize the resistance during its opening. The disc of the valve features an upwardly convex cone as its sealing surface. This design enables the simultaneous separation of all points on the disc's circumferential surface from the sealing ring when the valve is opened. Consequently, it becomes less likely for solid objects to accumulate on the sealing surface. The closure of the valve occurs through the elastic pressure exerted by the sealing ring.

The sealing ring and butterfly plate are not causing any phase jam. This means that there is smooth operation between the two components. To reiterate, there is no interference or obstruction between them.

Temperature variations do not have any impact on the valve's ability to maintain its seal.

The valve stem's shaft diameter seal is equipped with a graphite press-formed sealing ring, which guarantees absolute leakage prevention. Additionally, it features a metal seal that ensures zero leakage even in the event of a fire, both before, during, and after. Therefore, its design inherently prioritizes safety against fire incidents.