Mechanical Residential Piston Displacement Volumetric Semi-Dry Liquid Filled Type Water Meter

The sizes from Dn15 to Dn50 , meets to therequirements of Directive 2004/22/EC on measuring instruments; the European StandardEN14154+A1+A2: Water Meter; the lnternational Organization of Legal Metrology OIML R-49:2006(E): Water meters intended for the metering of cold potable water and hot water.
CHARACTERISTICS:
All the Materials in contact with water, consciously selected by the known resistance towatermetersen.alibaba.comcorrosion;
Cold water meter under current standard for lower than 30C(T30), but canbe used safely in water temperature up to 50C(T50);The ROTARY indicator register for the most comfortable reading position of 5 black Rollers, 3red Rollers and 1 pointer for Dn15 to Dn32 and 6 black Rollers, 2 red Rollers and 2 pointers forDn40 and Dn50;
The lmpeller is the only moving parts in contact with water permitting the most reliable;The extra inlet filter at the inlet of the meter body permits cleaning it without breaking themetrological seal;
The conception of the Magnetic Protection to against the external influences;Non Return Valve to avoid the reserve flow Rate AS OPTION