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.