Propeller water meter with instantaneous flow indication, Body material is carbon steel fusion bonded epoxy coated. The unit is complete with straightening vanes to generate optimum flow profiles. Flow totalizer shall be 6 digit and calibrated in liter per second for rate and cubic meter for totalizing. The installation should be five diameters ahead and one diameter behind is the minimum normally recommended End connection flanged, Flanged drilling acc. To BS 4504, PN 16