Double Flange Connection Woltman Type Water Meter

Product Description

Product Description
Feature:
1.Removable element structure, easy installation and maintenance;
2.Dry-dial, Magnetic drive;
3.Large flow capacity, small pressure loss;
4.Resist water hummer and pollution;
5.Vacuum sealed register ensures the dial keep free from condensation and keep the reading clear in a long term service;
6.Selected high quality materials for steady and reliable characteristic;
7.Technical data conform to international standard ISO 4064.
Working condition:
Water temperature:0.1ºC~40ºC (0.1ºC~90ºC for hot water meter)
Water pressure:≤1.0Mpa (1.6MPa on request)
Maximum permissible errors:
In the lower zone from qmin inclusive up to but excluding qt is ±5%
In the upper zone from qt inclusive up to and including qs is ±2% (±3% for hot water meter)
Main technical specification:

Size (mm)	Class	Overload Flow (m3/h)	Permanent flow (m3/h)	Transitional Flow (m3/h)	Minimunm Flow (m3/h)	Min Reading (m3)	Max Reading (m3)
50	B	31.25	25	0.8	0.5	0.001	999999
65	B	50	40	1.28	0.8	0.001	999999
80	B	78.75	63	2.016	1.26	0.001	999999
100	B	125	100	3.2	2	0.001	9999999
125	B	200	160	5.12	3.2	0.01	9999999
150	B	312.5	250	8	5	0.01	9999999
200	B	500	400	12.8	8	0.01	9999999
250	B	787.5	630	20.16	12.6	0.01	9999999
300	B	1250	1000	32	20	0.01	9999999

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