Multi-stage area adjustable throttling and pressure reducing valve element

• Main Authors: ZHANG YONGBIAO, HE SHANLIN
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model relates to a multistage area-adjustable throttling pressure reducing valve core, which belongs to the technical field of steam pressure reducing control instruments, comprises a connecting support block, a telescopic support column, a throttling inner core, a throttling spray head, a throttling outer core, a pressure reducing inlet and a pressure reducing outlet, and is characterized in that the telescopic support column is inserted in the middle of the surface of the lower top end of the connecting support block; the throttling inner core is connected to the circle center of the surface of the lower top end of the telescopic supporting column, the throttling spray head is connected to the middle of the surface of the lower top end of the connecting supporting block, the throttling outer core is inserted into the middle of the surface of the lower top end in the throttling spray head, and the pressure reduction inlet is formed in the middle of the upper portion of the surface of the top end