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GALONMETER GL-VM-C is a manifold Piston Displacement (Volumetric) water meter with magnetic transmission, dry type register at sizes Dn15 to Dn20 designed and manufacture by GALONMETER and meets to the requirements of Directive 2004/22/EC on measuring instruments; the European Standard EN14154+A1+A2: Water Meter; the International Organization of Legal Metrology OIML R-49: 2006(E): Water meters intended for the metering of cold potable water and hot water.
Characteristics:
1. All the components are produced with high resistance and quality materials, technical plastics and stainless steel parts;
2. Cold water meter under current standard for lower than 30℃(T30), but GALONMETER GL-VM-C Composite Vision can be used safely in water temperature up to 50℃(T50);
3. The ROTARY indicator register for the most comfortable reading position is of 8 Rollers and 1 Pointer;
4. The Piston is the main moving parts in contact with water permitting the most reliable;
5. The conception of the Magnetic Protection to against the external influences;Dial Plate Design:
Dimension:
Description
Size
Dn15
Dn20
BASEL
110
130
D
G3/4B
G1B
WATER METER
d
G1-1/2
G2
H
180
227
H1
247
299
H2
141.5
158.5
W
86
100
Main Technical Data:
Size
mm
Dn15
Dn20
R
Q3/Q1
160
160
Q4
m3/h
3.125
5.000
Q3
m3/h
2.5
4.0
Q2
l/h
25
40
Q1
l/h
15.625
25
Max. Reading
m3
99999.9999
Min. Reading
Liter
0.02
Pressure Loss
ΔP
ΔP<63 at Q3
Max. Pressure
MAP
MAP16
Max. Temperate
℃
T30 or T50
(For different Q3 and R, please contact with GALONMETER manufacture)
Pressure Loss Curve:
Max. Permission Error (For T30):
From Q1 inclusive up to but excluding Q2 is ± 5%;From Q2 inclusive up to and including Q4 is ± 2%;
