BSW MULTI FUNCTION SEWAGE PC FLOW METERS DN50~DN300 Posted on by psi BSW SEWAGE FLOW METER BSW MULTI FUNCTION SEWAGE DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300 BSW Sewage-PC Flow Meters : Analog/Mechanical Flow Meter for Water or Waste/Sewage Water By PT. Putra Siduasaudara Indonesia