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<:rr, , , Use mid-flange bolt connection, and both ends of the branch pipe are flange connection or butt welding connection
<:rr, , , The opening and closing parts use semi-sealed pairs Forced sealing, excellent performance
<:rr, , The sealing material is wear-resistant ceramic or wear-resistant alloy, which has strong wear resistance, strong erosion resistance, scratch resistance, low friction, and good sealing Reliable
<:rr, , , The valve body outlet flow channel has a reasonable structure, no slag, flexible opening and closing, and no jamming
<:rr, , , The valve stem has been tempered and surface nitrided treatment, has good corrosion resistance, scratch resistance and wear resistance
<:rr, , medium and large diameter rolling bearings, easy to open and close
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