Range of operation (flow rate) is specified for each water meter. Water meters should be selected based on the flow rate range expected at the location of installation. It is not depended on the adjoining pipe size.
It is possible, in general. However it is better to check the length due to alternate lengths of the meter permitted in different standards.
The required accuracy of a good water meter is ±2% in general and ±5% at very low flow rate range. The exact flow range for a particular water meter depends on the size and class.
Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.
12 month from shipment date, for non-man-made damages.
1) 100% T/T 2) 30% in advance, others before shipment. 3) L/C