Feature: 1. multi-jet2. Selected high quality materials Steady & reliable characteristic 3. High sensitivity: start-up flow ≤2L/h 4. High Pr?cising and accuracy 5. Easy to maintain 6. High quality anti-corrosion and antipollution material is applied to the parts contacting with water 7. Measuring accuracy conform to ISO 4064 class B Standard Description: This range of water meter is used to measure the total quantity of cold potable water which consumed in household or a resident unit, passing through the pipeline. Liquid sealed register, small starting flow rate for wet type, long term clear reading for dry type etc. Particularly suited in lower quality water Working condition: Water temperature:≤40°CWorking pressure:≤1MPa Function(selected meter type)：1. LXSLY-15~20 vertical Rotary vane wheel cold water meter w/liquid sealed dial.? Main technical data shown as above table(DN15,20inclusive) ? 2. LXS-15E~20E Rotary vane wheel wet dial with direct reading cold water meter ?Main technical data shown as above table(DN15,20 inclusive) 3. LXS-15C~20C Rotary vane wheel wet dial with pointer indication cold water meter ?Main technical data shown as above table(DN15,20, inclusive) ? 4. LXSY-15~20 Rotary vane wheel liquid sealed wet dial direct reading cold water meter ?Main technical data shown as above table(DN15,20 inclusive)