Technical Data
Capstan Class A Spiral Enclosed Type Water Meters ( IS-2373)
Capstan Spiral meters confirm to IS 2373.
Salient Features
- Meters upto 100mm have ISI marking.
- Specifically designed to meet demand of reliable meters, capable of measuring large quantities of water , where little loss of water head is allowed .
- he Meter casing is of graded cast iron and houses press fitted non removable liner made of brass .
- Tested to withstand a maximum hydrostatic pressure of 16 kg/cm2 .
- Suitable for maximum temperature of 45’C
- High Overload capacity .
- Powder coating affords maximum corrosion protection.
- Meters are designed to measure water even when pipe is full.
Spiral Water Meters: (50mm-600mm) - Enclosed Type, class ‘A’
Installation Requirements
- Unrestricted straight pipe before the meter 10 X DIA . No abrupt restriction immediately behind meter thus for long durability Installation of strainer before the meter is recommended.
Size of meter in mm | 50 | 80 | 100 | 150 | 200 | 250 | 300 | 400 | 450 | 500 | 600 | |
Maximum peakflow +/- 2% m3/hr | 50 | 125 | 200 | 500 | 800 | 1100 | 1500 | 3000 | 4000 | 5000 | 7000 | |
Normal Flow +/- 2% m3/hr | 20 | 62 | 100 | 250 | 400 | 550 | 750 | 1500 | 2000 | 2500 | 3500 | |
Transitional Flow +/- 2% m3/hr | 1.66 | 4.16 | 6.66 | 16.66 | 26.66 | 36.66 | 50 | 100 | 133.33 | 166.66 | 233.33 | |
Minimum flow +/- 5% m3/hr | 0.5 | 1 | 1.5 | 3.5 | 5.5 | 9 | 14 | 25 | 30 | 30 | 45 | |
Dimensions | ||||||||||||
Over All Length in mm | 200 | 200 | 250 | 300 | 350 | 450 | 500 | 560 | 710 | 800 | 815 | |
Over all Height in mm | 232.5 | 270 | 295 | 347.5 | 405 | 432.5 | 532.5 | 600 | 632.5 | 735 | 790 | |
Weight In KGS | 10 | 16 | 21 | 35 | 60 | 79 | 122 | 250 | 345 | 410 | 590 | |
Note:Flanges drilled as per IS:1538 unless otherwise stated. | ||||||||||||