● All the Materials in contact with water, consciously selected by the known resistance to corrosion;

● Cold water meter under current standard for lower than 30℃(T30), but NWM SJ-LFC can be used safely in water temperature up to 50℃(T50);

● The rollers of the water meter register are hermetically sealed by special liquid don't touch with the water which ensures the clear reading in any operating conditions;

● The Impeller is the only moving parts in contact with water permitting the most reliable;

● The mechanical transmission movement with the maximum reliability.