APPLICATION
This type of water meter is a impeller water meter with magnetic transmission for irrigation application in sizes 50mm to 300mm and used to measure the volume of cold(hot) water which passing through the pipeline.
FEATURES
Removable element structure, easy installation and maintenance;
Magnetic drive, dry-dial, vacuum sealed register, frost resistant, keeps clean reading for long time;
The body is made of cast iron or ductile cast iron coated with epoxy varnish treatment;
The interchangeable, removable measuring mechanism can be easy removed from the body for checking, maintaining and replacing, and the body don’t need to be dismantled from the pipe;
Selected high quality materials for steady & reliable performance;
Large flow capacity, small pressure loss;
Approvals in over 30 countries.
CONSTRUCTION
The meter mainly consists of a body, a measuring mechanism, a indicator unit, a flanged cover, and a cover with lid. The flange cover secures the internal parts.
COMPLIANCE WITH STANDARD
Technical data conforms to ISO 4064:2005 Standard for horizontal installation.
WORKING CONDITIONS
Working temperature Class: T30 or T50 for cold water meter, T90 for hot water meter.
Working Pressure Class: MAP10
Pressure Loss Class: P25
Upstream Disturbance Class: U5
Downstream Disturbance Class: D3
ACCESSORIES
Every water meter will complete with 2pcs flanged gaskets.
MAXIMUM PERMISSIBLE ERROR
In the lower zone from Q1 inclusive up to but excluding Q2 is: Cold potable and hot water meter ± 5%
In the upper zone from Q2 inclusive up to and including Q4 is: Cold potable water meter ± 2%, hot water meter ± 3%.
INSTALLATION REQUIREMENTS
Step-1: The meter should be installed inHorizontalposition with the direction of the flow as indicated by the arrow cast in the meter body with the register face upwards.
Step-2: Pipeline must be flushed before installation.
Step-3: The meter should be constantly full of water during operation.
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