simple structure, easy to install and maintainance, high accuracy It is a kind of volumetric flow measuring instrument, which is mainly used in oil, chemical, medical industries.Technical parameters(i). Model number and nominal diameterModel numberLNV48LNV50LNV52LNV53LNV55LNV56Norminal diameter DN20DN20DN25 DN40 DN40 DN50(ii). General regulationItemSpecsApplicationOil usedPrecision+/-0.5% ...