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GALONMETER GL-SJ-SD is IMPELLER (turbine), single jet water meter with dry type register for residential application with sizes from Dn15 to Dn25.
Characteristics:
All the Materials in contact with water, consciously selected by the known resistance to corrosion;
Cold water meter under current standard for lower than 30℃(T30), but GALONMETER GL-SJ-SD can be used safely in water temperature up to 50℃(T50);
Rotary indicator register with 7 Rollers and 2 Pointers for easy reading;The Impeller is the only moving parts in contact with water permitting the most reliable;
The conception of the Magnetic Protection to against the external influences;
No need for external adjustment due to its design and high technology in manufacturing;
High Accuracy for Horizontal installation;
With Pre-equipped for communication device as Option.
Dial Plate Design:Dimension:
Size
Dn15
Dn20
Dn25
L
110
130
160
L1
204
234
280
D
G3/4B
G1B
G1-1/4B
d
R1/2
R3/4
R1
H
84.5
84.5
106
H1
145.5
145.5
167
W
81.5
81.5
84
L1: the total length with connection and the gasket without compression.
Main Technical Data:
Under En 14154:2005+A1+A2, OIML R49: 2006(E), ISO 4064: 2005(E)Size
Dn
Dn15
Dn20
Dn25
R
Q3/Q1
160
160
160
Q4
m3/h
3,125
5
7,875
Q3
m3/h
2,5
4
6,3
Q2
l/h
25
40
63
Q1
l/h
15,625
25
39,375
Max. Reading
m3
99999.9999
Min. Reading
Liter
0.02
Pressure Loss
ΔP
63
Max. Pressure
MAP
16
Max. Temperate
T
T30 or T50
Max. Permission Error:
From Q1 inclusive up to but excluding Q2 is ± 5%; From Q2 inclusive up to and including Q4 is ± 2%;SJ-SDC PLUS also meets to the International Standard: ISO 4064:1993 Standard, main technical data as:
Size
Dn
Dn15
Dn20
Dn25
Metrological Class
C
C
C
C
Qmax
m3/h
3
5
7
Qn
m3/h
1,5
2,5
3,5
Qt
l/h
22,5
37,5
52,5
Qmin
l/h
15
25
35
Max. Reading
m3
99999,9999
Min. Reading
Liter
0.05
Pressure Loss
Bars
ΔP<1 at Qmax ΔP<0.25 at Qn
Max. Pressure
Bars
PN16
Max. Temperate
℃
40
MAX. PERMISSION ERROR:
From Qmin inclusive up to but excluding Qt is ± 5%; From Qt inclusive up to and including Qmax is ± 2%;Exploded Drawing: