Product Description
DEFINITION: Set of moving device that fitted into a closed conduit driven directly by water flow. Its turbine rotor rotates about the axis which is perpendicular to water flow. WORKING PRINCIPLES: Water flow drives vane rotate. Rotating times which is proportional to water flow speed are gathered, hence total volume passed through water meter is recorded. CHARACTERS: For hot water. Outside adjust copper body,painted available as demanded. Counter:vacuum sealed, frost proven, keeping clear reading for long. Magnetic transmission free from disturbance. WORKING CONDITION: Water temperature≤45ºC(Hot water meter≤90ºC) Water pressure≤1Mpa MAXIMUM PERMISSIBLE ERROR: From the minimum flow-rate (qmin) inclusive to the lower zone of the transitionalflow-rate (qt) exclusive: ±5% . From the transitional flow-rate (qt) inclusive to the higher zone of the maximum flow-rate (qmax) exclusive: ±2%(hot water meter±3%.) Size mm Dn15 Dn20 Dn25 Dn32 Dn40 R Q3/Q1 80 Q4 m3/h 3,125 5 7,875 12,5 20 Q3 m3/h 2,5 4 6,3 10 16 Q2 l/h 50 80 126 200 320 Q1 l/h 31,25 50 78,75 125 200 Max. Reading m3 99999.9999 999999.9999 Min. Reading Liter 0.05 Pressure Loss ΔP <63 Max. Pressure MAP MAP16 Max. Temperate t T30 or T50
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