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Stainless steel flange large diameter electric fixed discharge coal injection turbine ball valve q947fdn15 -
Manual flange cast steel turbine soft seal ball valve q41f-16cwcbdn5 -
Ceramic ball valve_ Nq347tc wear resistant strong corrosion ball valve Dn40 50 65 -
Three way ball valve_ TL type hard sealed cast steel manual three way flange ball valve dn32405 -
Eccentric hemisphere valve_ Cast steel ball valve of 340 PQ side