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GALONMETER GL-VM-L is Piston Displacement (Volumetric) water meter with mechanical transmission, liquid sealed register has the sizes from Dn15 to Dn40 designed 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-L can be used safely in water temperature up to 50℃(T50);
3. The rollers are protected by special liquid don’t touch with the water which ensures the clear reading in any operating conditions;
4. The mechanical transmission movement with the maximum reliability; no influence from the external magnetic field;
5. Suitable for any position installation;
6. Non Return Valve to avoid the reserve flow Rate;Dimension:
Size
Dn15
Dn20
Dn25
Dn32
Dn40
L
115
130
170/260
260
300
L1
209
234
290/380
384
431
D
G3/4B
G3/4B
G1-1/4B
G1-1/2B
G2B
d
R1/2
R3/4
R1
R1-1/4
R1-1/2
W
90
96
112
139
174
L1: the total length with connection and the gasket without compression.
Main Technical Data:
Size
mm
Dn15
Dn20
Dn25
Dn32
Dn40
R
Q3/Q1
160
160
160
160
160
Q4
m3/h
3,125
5
7,875
12,5
20
Q3
m3/h
2,5
4
6,3
10
16
Q2
l/h
25
40
63
100
160
Q1
l/h
15,625
25
39,375
62,5
100
Max. Reading
m3
9999,9999
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).
Dial Plate:
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%;
OPTION VISION of PD-SDC (B):
Pulse output pre-equipped AS OPTION, also Pulse output AS OPTION.
DETAIL AS:
1. The Pulse output Device consists of a plastic housing with Reed Switch, and 1,5 m cable with 2 cores in Red and Black.
2. Electric Data: Vmax=24AC/DC, Imax=0,01A
3. Capacity of the Pulse output or Pulse output pre-equipped:Size
Dn15-Dn20-Dn25-Dn32-Dn40
Pulse output Capacity
2 pulses/liter
