Four-way hard-sealing ball valve
The utility model discloses a four-way hard-sealing ball valve, and belongs to the technical field of ball valves. The four-way hard-sealing ball valve is characterized in that the four-way hard-sealing ball valve comprises a valve body, a ball body arranged in the valve body, a valve rod connected...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a four-way hard-sealing ball valve, and belongs to the technical field of ball valves. The four-way hard-sealing ball valve is characterized in that the four-way hard-sealing ball valve comprises a valve body, a ball body arranged in the valve body, a valve rod connected with the ball body, four end covers arranged on the external wall of the valve body and a pressing cover arranged at the upper end of the valve body and the periphery of the valve rod; through holes are formed in the end covers, wherein installation grooves are formed in the end faces of the four end covers opposite to the ball body in the circumferential direction; a hard-sealing valve base opposite to the ball body is arranged in each installation grooves; a belleville spring and a thrust ring are sequentially arranged in each installation grooves on the rear side of the hard-sealing valve base from inside to outside. The four-way hard-sealing ball valve is compact in structure, high in temperature resistance, co |
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