Ball valve ( 球阀) Opening and closing is a sphere, driven by the valve stem, and for ball valve axis rotate 90 ° open or closed. Can also be used on regulation and control of fluid, mainly used for cutting in line, distribution, and change the flow direction of medium, good sealing, convenient operation, opening and closing fast, simple structure, small volume, small resistance, light weight, etc. The working principle of the ball valve ( Figure) 1, through the valve lever to the left driving ball, rotating 90 degrees, is opened entirely. 2, through the stem drive to the right ball, rotating 90 degrees, all closed down. The working principle of the ball valve ( Figure) 1, through the valve lever to the left driving ball, rotating 90 degrees, is opened entirely. 2, through the stem drive to the right ball, rotating 90 degrees, all closed down. Ball valve by Industrial Valves body, valve stem seal seat, of a sphere. Ball valve ball core is a circle, can adjust the volume of sphere open through the analog signal, so as to achieve precise adjustment. Sealing is reliable, the ptfe seal can achieve zero leakage, can be used for gas, vacuum system. High temperature resistant, use PPL seal or metal hard seal, normal use in high temperature gas or liquid. Simple structure, are free to remove the seal, replace the seal material, easy to use. Long service life, under normal conditions, multiple frequency operation, without seal replacement, but action 100000 times in a row. Available is wide used for water, steam, gas, natural gas, liquefied petroleum gas, and other fields, high vacuum system and the high pressure can be applied. Because the ball Industrial Valves have to wipe in the process of opening and closing, so can be used to bring in the medium of suspended solid particles. 9, full size structure, fluid resistance small, large flow, the flow against losses. 10, opening and closing speed, open shutoff need to rotate 90 degrees, the fastest time to 1 second.
Nowadays, it is very common for us to utilise in os & y valve fire protection. And the quality of is decisive to production efficiency.
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