Class A Water Meter


Class A Water Meter

Specifications

Type Water Meters
Color Blue
Size Range from 40 Mm to 1000 Mm
Water Temperature 45 Degree Celcius
Water Pressure <1 MPa
Pressure Loss <0.1 Pa
Maximum Pressure 16 bar

Standards
Conforms to IS 2373/1

Salient Features

  • Dry Dial Mechanical Driven Flange Ends
  • Ensures wiper to keep the dial free from frost for clear reading
  • Metallic gears for long life and durability

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Head Loss Curve

Head Loss Curve

Accuracy Curve

Accuracy Curve

Graph

Graph

Metrological Performance

Nominal Size 40 50 80 100 150 200 250 300 350 400 450 500 600 750 900
Intermediate Flow Liter Per Hour 10000 20000 62000 100000 250000 4000000 550000 750000 1000000 1500000 2000000 2500000 3500000 4000000 5000000
Nominal Flow Liter Per hour 20000 50000 125000 200000 500000 800000 1100000 1500000 2000000 3000000 4000000 5000000 7000000 8000000 10000000
Lower limit of flow liters per hour 1000 1660 4160 6660 16660 26660 36660 50000 66660 100000 133300 166600 233300 266666 333300
Minimum starting flow liters per hour 400 500 1000 1500 3500 5500 9000 14000 20000 25000 30000 35000 45000 55000 65000
Pressure Testing KG/CM2 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16
Minimum Reading in liters 10 10 10 10 100 100 100 100 100 100 100 100 100 1000 1000
Maximum Reading in liters 100000000 1000000000 10000000000 100000000000

Flanges Dimensions

Nominal Size 40 50 80 100 150 200 250 300 350 400 450 500 600 750 900
Outside dia of range (d)mm 145 165 200 220 285 340 395 445 505 565 615 670 780 960 1115
Thickness of flange (b)mm 19 19 21 22 23 24.5 26 27.5 29 30 31.5 33 36 40 44
Dia of bolt Circle (c)mm 110 125 160 180 240 295 350 400 460 515 565 620 725 900 1050
Number of holes (a) 4 4 4 8 8 8 12 12 16 16 20 20 20 24 28
Dia of bolt Holes (d)mm 19 19 19 19 23 23 23 23 23 28 28 28 31 31 34
Total Length (l)mm 170 170 198 240 295 343 443 365 530 535 610 610 645 655 -

 

  • Above Particular relate to cold water meters suitable for temperature upto 45o c
  • As constant efforts are made to improve the design, details given in the leaflet, are subject to change or modify without any prior notice
  • Flange drilled as per IS:1538 Part IV & VI

 





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