Self-operated discharging valve
An unloading valve, self-operated technology, applied in the field of unloading valves, can solve the problems of complex driving device system, energy consumption, high cost, etc.
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[0010] Such as figure 1 As shown, a self-operated discharge valve includes a valve cover 1, a middle valve body 5, a valve disc 2, a sealing ring 3, a pressing ring 4, and a lower valve body 14. The sealing ring 3 is fixed on the valve cover 1 through the pressing ring 4 Inside, it forms a sealing pair with the valve disc 2. The valve cover 1 and the middle valve body 5, the middle valve body 5 and the lower valve body 14 are connected by fasteners. There is a piston 7 in the middle valve body 5, and the valve disc 2 rod The part extends into the piston 7, and is fixed on the piston 7 by the fixing plate 10 and the connecting pin 11. The piston 7 is sealed with the middle valve body 5 and the lower valve body 14 by the O-ring 6. There is also a boss 8 on the piston 7 A spring 9 is installed between the lower part of the table 8 and the end surface of the lower valve body 14. The lower part of the spring 9 is also equipped with an adjusting ring 12, and the end surface of the l...
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