Combination water meter also called mother-child water meter, it consists of woltmann detachable type water meter, multi-jet rotary vane wheel type water meter and changeover flow device
Compliance with Standard: Technical data conforms to ISO 4064 Class B Standard for Horizontal installation
PRODUCT FEATURE:
lDetachable, Liquid-sealed type,Rotary vane wheel type
lSpecial liquid sealed register ensures the dial keep the reading clear in a long term service
lEspecially suitable to water supplying system of variable flow rate
lNovel structure, easy maintenance
lLarge measuring scale and Minimum starting flow rate
MAXIMUM PERMISSIBLE ERROR
In the lower zone from Qmin inclusive up to but excluding Qt is ±5%.
In the upper zone from Qt inclusive up to and including Qs is ±2%.
INSTALLATION REQUIREMENTS
1. The meter should be installed in horizontal position with the register face upwards
2. Pipeline must be flushed before installation
3. The meter should be constantly full of water during operation
