Pass-through two-seater parts structure of the valve body, the body has two seats, valve core, valve core for the orientation. The valve is produced in the 40 s and 60 s domestic joint design, 60 s level of product. It USES the characteristics as follows: ( 1) Due to fluid pressure on the two valve core, unbalanced force offset each other a lot, so allow pressure difference is big. This can offset each other a lot of unbalanced force structure to the balanced structure. ( 2) In closing, because there is a processing error, two sealing face of Industrial Valves core and valve seat can't seal at the same time, therefore, leakage on ten times larger than single seat valve to one hundred times; At the same time, the temperature changes leakage also increases, this is its outstanding shortcomings, so can't use in place of small leakage process requirement. ( 3) Because the body flow is complex, and oriented in solid particles could easily stuck up and down, not suitable for high viscosity, slurry, containing solid particles such as precipitation, easy jam! ( 4) Too heavy.
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