Manipulation Preventive Cap for Freeze Preventive Water Meter

CHARACTERISTIC
● Case being installed where airbag is built in which is filled with air pressure of 0.7MPa in-between impeller and gear set within main body of water meter, airbag absorbs cubical expansion when frozen, which prevents burst by freezing in advance.
● By decreasing space between glass plate and indicating unit, remaining water does not collect and it minimizes volume of water meter.
● Passed performance test (16 times repeated test of hot water thawing after cooling of -20°C for 48hours) for freeze preventive water meter, carried out by Waterworks Research Institution, Office of Waterworks, Seoul
● Possible to manufacture in various types like common type, backflow preventive type and
manipulation preventive type according to order from user