Butterfly Valves - Italbest Valve s.r.l.

Butterfly Valves

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Butterfly Valves

Italbest Triple Offset Valve is a next generation high-end, quarter turn, metal to metal sealing, zero leakage valve with non-rubbing design which gives less operating torque and longer service life  and offers flow control solutions for a variety of applications.

Offset 1:

The first offset is between the shaft plane and seat plane, which allows complete sealing contact around the seat.

Offset 2:

The second offset is the distance that the shaft is displaced from normal to the flow line axis, thereby allowing for the camming effect and reduced rubbing rotation while operating the valve.

Offset 3:

The third offset consists of an inclined conical profile machined into the valve sealing surface, allowing for rotary engagement and disengagement of the seal ring on the body seat without interference.  This eliminates all rubbing between the seat and seal ring.

Our Triple Offset Valves are API 609, ASME B16.10 and ISO 5752 certified and designed using the latest engineering software and tools like Creo for 3D CAD.

State-of-the art manufacturing technologies, modern quality management methods and competent ERP system ensure efficient production process resulting in consistent high-quality standard over large quantities of valves.

Diameters: from 3” to 130 and larger sizes”
Class rating: from ASME 150 to 2500
Temperature range: -196 C° to +815C°