... ISO 4064 4.easy for installation 5.rass, iron, plastic Body Liquid sealed vane wheel water meter Application:Measuring , memorizing and ... .FEATURE:1.Register is sealed in the capsule with special liquid, High accuracy, low Starting flow rate.2.Selected high ... , Reliable function and appearance, Universal use .3.Brass, iron, plastic(Nylon) Body or Ceramal Aluminium Alloy complex material for optional ...