Corrosion Resistance - Watflow top loaded Water Meter consists of three basic components: main case, measuring chamber and a head ring. The main cases of all sizes are constructed from eco-brass alloy. Comoatibility - This DN 20 water meter is equipped with 3/4" NPT couplings. The meter is measing in gallon, you can use in mostly appliactions in USA. Accuracy - Max. Permission Error: Within the normal flow rate range is ± 1.5%, At low flow rate is ± 3%. High Flow Rate:20GPM, Minimum Flow Rate: 0.25 GPM, Continues Flow Rate:10GPM Premium Filter - The lter at the inlet of the meter body permits cleaning it without breaking the metrological seal. Non Return Valve to avoid the reserve ow Rate AS OPTION Professional - Watflow MJ with dry type register for residential application with sizes from 5/8” to 2” designed by Watflow and meets to AWWA C708 standard certi fication. Application: Complies with AWWA certification, indicating that the water meter is fully suitable for drinking water, and the casing meets WRAS certification, suitable for homes/apartments/malls/hotels. Note: Not suitable for industrial liquid measurement. Description
Watflow 20MM 3/4" Npt Couplings water meter, measuring in cubic meter, cold water meter for garden or home.

This water meter is made of the brass whcih resistant to corrosion and condensation deposits.
The instrument cover is made of brass and the bearing elements are made of high-quality steel, wear-resistant synthetic stones and other elements made of plastics.
It conforms to ISO 4064, for clean water only. Maximum Normal Flow Rate: 10 GPM, Minimum Flow Rate: 0.25 GPM.
This DN 20 water meter is equipped with 3/4" NPT couplings. There are 2pieces of brass nut ;2 brass connecting pipe; 2pieces of washers and 2 sealing caps.
Please note that this water meter measures in cubic meters, not gallons. 1 cubic meter is approximately equal to 264 gallons. Thanks for your understanding.