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filter disc y ball valve grinding process in indonesia
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filter disc y ball valve grinding process in indonesia

If the tightness is not good, the sealing surface of the valve disc or the valve flap and the sealing surface of the valve body can be separately inspected by a standard plate to determine the grinding position. 2. Grinding process The grinding process is essentially a cutting process without a lathe. And the pitting or small hole depth on the valve head or the valve seat is …

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