1. special locking mechanism with a key.
2. unique coupings, conventient replacement for the meters inside
3. the meter ballcock assembly is lcoked where it passes through the meter box to prevent it from rotating during installation.
4. high quality ball cock shut off valves without rising headparts which can cause leaks.
5. strong material, the meter boxes are designed to protect the water meter from unauthorized access and damage

6. could bear 1 ton pressure.

7. special size is available.

Multi-jet, dry-dial, easy for maintenance; 
--Magnetic drive reliable characteristic, long working life; 
--ISO4064 Class B 

Application:
--Measuring the total volume of cold portable water passing through the pipeline.

Feature:
--Multi-jet, dry-dial, easy for maintenance;
--Magnetic drive reliable characteristic, long working life;
--Vacuum sealed register ensures the dial keep free from fog and frost, Keep the reading clear in a long term service;
--Technical data conform to international standard ISO4064 Class B

Working condition:
Water temperature: 0.1°C~40°C for cold water meter .
                                    0.1°C~90°C for hot water meter.
Water pressure : ≤1.0Mpa or 1.6Mpa

Maximum permissible error:
(1) in the lower zone from qmin inclusive up to but excluding qt is ±5%.
(2) in the upper zone from qt inclusive up to and including qs is ±2%;
Hot water meter ±3%