Product Name:Trunnion Ball Surface Material:Tungsten Carbide Surface Hardness:70(HRC) Specifications:NPS 6"~48"(DN150~1200) Pressure Rating:Class 150~2500(PN16~420) Base Material:ASTM A105,A350 LF2,A182 F304,A182 F316,A182 F6A,A182 F51,A182 F53,A564...
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valve ball, valve seat, valve fitting, valve parts...
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