30-05-2023 дата публикации
Номер: CN116181940A
Принадлежит:
The invention discloses an air pressure reducing valve for a ship, and particularly relates to the technical field of valves, the air pressure reducing valve is provided with a piston frame, a piston plate, a connecting hole, a one-way air inlet valve, a one-way air outlet valve, an adjusting spring, a moving seat, a moving rod, an extrusion block, an extrusion contact rod, a guide groove and a guide column, and the guide rod moves upwards and rotates along an arc-shaped section of the guide groove; when an extrusion block rotates to be separated from an extrusion contact rod, an adjusting valve block is extruded by pressure in a second guide hole to reset, at the moment, the changed pressure of the output end slowly reflects to a diaphragm, a guide valve spring controls a guide valve element to move upwards while the diaphragm moves, the opening degree is reduced, the input end pressure borne by the upper side of a piston seat is reduced, and slow movement of a main valve element is achieved ...
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