Piston Volumetric Brass Water Meter Class C, R160/R200

Product Description

Volumetric Piston Type
Material body: Brass
Size: DN15 to 40mm( 1/2" -1 1/2"), Available for cold water(40°C)
Accuracy: ISO 4064, Class C standard/ R160
Easy for interchange & maintenance
MAIN TECHNICAL DATA

Size		Class	Qs Overload flow	Qp Nominal flow	Qt Transitional flow	Qmin Min flow	Min reading	Max reading
DN(mm)	Inch		m³/h		L/h		m³
15	1/2"	C	3	1.5	22.5	15	0.0001	9999
20	3/4"	C	5	2.5	37.5	25	0.0001	9999
25	1"	C	7	3.5	52.5	35	0.0001	9999
32	11/4"	C	12	6	90	60	0.0001	99999
40	11/2"	C	20	10	150	100	0.0001	99999

DN SIZE	Mm Inch	15 1/2"	20 3/4"	25 1"	32 11/4"	40 11/2"
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)		0.0001	0.0001	0.0001	0.0001	0.0001
Max reading(m³)		9999	9999	9999	99999	99999
Max pressure(MAP)		16	16	16	16	16
Max loss(ΔP)		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	Weight Kg
	mm
15	115	209	90	G 3/4B	1.0
20	130	234	96	G 1B	1.2
25	170	290	112	G1 1/4B	2.4
32	260	384	139	G1 1/2B	2.6
40	300	431	174	G 2B	4.0

WORKING CONDITION
Water temperature:≤40ºC for cold water meter
Working pressure:≤1.6Mpa

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