... and durability convenient installation and maintenance Best after service acid proof flow meter We are QUANZHOU RIXIN FLOW ... 20mA,pulse,0~10V,RS485,HART etc.D,D,anti-interfere, anti-impurity, anti-acid, corrosion resistant, portability SBL target ... installation and maintain.13,anti-interfere, anti-impurity, anti-acid, corrosion resistant, portabilityTechnical data:Nominal Diameter:6-4000mmNominal ...