Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
Load children
F16K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
Load children
5/00
Plug valves;; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
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F16K5/14
Special arrangements for separating the sealing faces or for pressing them together
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F16K5/207

Valve
12510168 · 2025-12-30 · ·

Provided is a valve capable of accurately moving a valve body in a direction away from a valve seat. A bellows that is expandable and contractible in an axial direction is disposed across the valve body and the valve housing on an axially opposite side of a valve seat through the valve body.