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 | |
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
