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GALONMETER GL-VM-L2 is Piston Displacement (Volumetric) water meter with mechanical transmission, liquid sealed register size Dn20 and Dn25 designed by GALONMETER and granted with reference to document NMI 49-1 Water Meters Intended for the Metering of Cold Potable Water and Hot Water, Part 1 Metrological and Technical Requirements. Comply with Australian standard
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-L2 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;
6. Dual Non Return Valve to avoid the reserve flow Rate;Dimension:
Size
Dn20
Dn25
L
154
178
L1
258
279
D
G1
G 11/4
d
R3/4
R1
W
96
112
L1: the total length with connection and the gasket without compression.
Main Technical Data:
Size
mm
DN20 DCVDR
Dn20 DCVPL
DN25 DCV DR
R
Q3/Q1
200
250
Q4
kl/h
5
7.875
Q3
kl/h
4
6.3
Q2
l/h
32
40.32
Q1
l/h
20
25.2
Max. Reading
m3
9999,99998
9999,99998
Min. Reading
Liter
0.00002
0.00002
Pressure Loss
ΔP
40
40
Max. Pressure
MAP
1400kpa
1400kpa
Max. Temperate
℃
50
50
Gross weight
Kgs
0.89
1.50
2.32
(For different Q3 and R, please contact with GALONMETER manufacture)
Meter faces design:
NMI Certificate Approval
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%;
Chart By Veolia Water Operations - WMU Pattern Approval Test Report
OPTION VISION of PD-SDC:
Pulse output pre-equipped AS OPTION, also Pulse output AS OPTION.
DETAIL AS:
Design of the Pulse Output Vision
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
DN20/DN25
Pulse output Capacity
0.5 L/ Pulse