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Horizontal Spiral Detachable Dry-type Water Meter (Larfe impeller)


To record the total amount of water passing through the pipeline.


The meter is dry water meter, adopting digital code wheel display and magnetic transmission between the counting mechanism and measurement mechanism, with characteristics of advanced structure, easy reading, a small pressure loss, high universality, and easy maintenance. The counter under the protection of a steel cover has a certain degree of anti-skid capability, and can be rotated 360 degrees, easy to count. The counting mechanism and movement can be replaced without cutting off the water supply or temporarily cutting off the water supply.


It can configure two kinds of remote devices of pulse signal output: O1 magnetically read pulse output signal; O2 optical pulse output signal.

Working Conditions

Temperature Rating:T30/T90

Pressure Rating:MPA10 (Recommending MPA16)

The technical parameters are in accordance with the provisions of national standard of GB/T778.1~3—2007(ISO4064—1~3:2005IDT).

Maximum Permissible Errors

Maximum permissible errors in the low area(Q1≤Q≤Q2are ±5%.

Maximum permissible errors in the high area(Q2≤Q≤Q4are ±2%.


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