Product  Type: LXSY-15E-50E  ROLLING WING LIQUID-SEALED WATER METER
Remark: This range of water meter is used to measure the total quantity of cold potable water which consumed in houshold or a resident unit, passing through the pipeline.
FEATURES:
adopting pointer and word-wheel combination count device, with advanced, beautiful and elegant structure, the counter is sealed by special type liquid, the reading is clear for long, convenient meter copy and long service life.
WORKING CONDITION:
water temperature: <=40•C water pressure: <=1MPa
COMPLIANCE WITH STANDARD:ISO 4064 (GB/T778-1996)
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)

Type	Meter SIze	Class	Overload Flow qs	Nominal Flow qp	Transitional Flow qt	Min Flow qmin	Min Reading	Max Reading
	mm		M³/h				M³
LXSY-15E	15	A	3	1.5	0.150	0.060	0.0001	9,999/99,999
		B			0.120	0.030
LXSY-20E	20	A	5	2.5	0.250	0.100	0.0001	9,999/99,999
		B			0.200	0.050
LXSY-25E	25	A	7	3.5	0.350	0.140	0.0001	9,999/99,999
		B			0.280	0.070
LXSY-32E	32	A	12	6	0.600	0.240	0.0001	9,999/99,999
		B			0.480	0.120
LXSY-40E	40	A	20	10	1.000	0.400	0.001	99,999
		B			0.800	0.200
LXSY-50E	50	A	30	15	4.500	1.200	0.001	99,999
		B			3.000	0.450

AXIMUM PERMISSIBLE ERROR
A)in the lower zone from qmin inclusive up to but excluding qt is+-5%
B)in the upper zone from qt inclusive up to and including qs is+-2%

Meter Size	Lenght	Width	Height	Connecting whorl		Weight
mm	MM			D	d	kg
15	165	99.5	109	G3/4B	R½	1.4
20	195	99.5	117	G1B	R¾	1.7
25	225	104	117	G1 ¼B	R1	2.4
32	230	104	117	G1 ½B	R1¼	2.5
40	245	125	147	G2B	R1½	4.5
50	280	125	174	Conneting Flange D1=160 D2=125 4-M16		12

Flow Error Curve



Head Loss Curve