Globe valves are used for regulating flows inside of a pipeline. The desired degree of control or regulation, defines the type of valve and if it should be designed with or without cage guiding.
Where the flow conditions and the regulation requirements are not very severe, this valves are supplied without cage guiding, with flat or conical disc. It is important that the disc guiding be in the body or in the seat, in order to obtain trouble free operation without valve seizing and also a good seat tightness.
For applications that require regulation under severe conditions and where cavitations or flashing may occur, different type of discs (flat, parabolic, needle, ball) and seats are available to guarantee the right performances of the valve under each operating conditions.
Design: ASME B16.34, BS 1873
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