1.Name:16.8mm Umbrella valve 2.Material:NBR 3.Certification:FDA Grade 16.8MM Umbrella Valve Item16.8mm Umbrella ValveBrandRAMISCountry of OriginXiamen, ChinaItem No.RS70104Umbrella O.D16.85MMPreloading distance Opening pressure0.3-55kPaMaterial NBRColor BlackPerformanceWear resistant and corrosion resistant,immediate positive seal,position independen,variableopenin pressure trough seat thickness. ...
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