Accuracy: Class C, R160/ R200
Volumetric Piston Type
Material body: Brass
Size: DN15 to 40mm( 1/2" -1 1/2"), Available for cold water(50°C)
Easy for interchange & maintenance
MAIN TECHNICAL DATA According to ISO4064 (GB/T778.1-1996) Standard
Size Class Qs Qp Qt Qmin Min reading Max reading DN(mm) Inch m³/h L/h m³ 15 1/2" C 3 1.5 22.5 15 0.00002 9999.9999 20 3/4" C 5 2.5 37.5 25 0.00002 9999.9999 25 1" C 7 3.5 52.5 35 0.00002 9999.9999 32 1 1/4" C 12 6 90 60 0.0002 99999.999 40 1 1/2" C 20 10 150 100 0.0002 99999.999
Overload flow
Nominal flow
Transitional flow
Min flow
MAIN TECHNICAL DATA According to ISO4064 (GB/T778.1-2007) Standard
DN Mm 15 20 25 32 40 Q4(m³/h) 3.125 5 7.875 12.5 20 Q3(m³/h) 2.5 4 6.3 10 16 R160 Q2(L/h) 25 40 63 100 160 Q1(L/h) 15.625 25 39.375 62.5 100 R200 Q2(L/h) 20 32 50.4 80 128 Q1(L/h) 12.5 20 31.5 50 80 Min reading(m³) 0.00002 0.00002 0.00002 0.0002 0.0002 Max reading(m³) 9999.9999 9999.9999 9999.9999 99999.999 99999.999 Max pressure(MAP) 16 16 16 16 16 Max loss(∆ P) 63 63 63 63 63 Max temperature T50 T50 T50 T50 T50
SIZE
Inch
1/2"
3/4"
1"
11/4"
11/2"
INDICATING ERROR
At low zone is ±5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundary
At high zone is ±2% from transitional flow rate (qt) to overload flow rate (qs)
DIMENSIONS AND WEIGHT
Meter size Dia DN (mm) L Length L1 Width W Height Connecting Thread D mm 15 115/165 209 90 G 3/4B 20 130/190 234 96 G 1B 25 170/260 290/380 112 G 1-1/4B 32 260 384 139 G 1-1/2B 40 300 431 174 G 2B
WORKING CONDITION
Water temperature：≤50℃ for cold water meter
Working pressure：≤1.6Mpa
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