25mm Class C/R160 Multijet Vane Wheel Water Meter
LXSG-E is a turbine super dry water meter for residential application in sizes 15mm-65mm for cold and hot water.
Features
* Magnetic drive, lower transmission resistance, frog-resistant.
* Magnetic shield, for external magnetic field protection
* Evacuated and sealed dry dial register ensures clear reading
* Internal strainer, inlet strainer for selecting
* The register can be 5 rollers and 4 pointers or 8 rollers and 1 pointer.
Standards Compliance
Technical data conforms to ISO 4064 Class B, Class C, R80, R100, R125 or R160 standard for horizontal installation.
Optional Features
*Several lengths and connections available on request
*Non return Valve
*Meter body: Brass, plastic, iron and stainless steel for selecting.
* Pre-equipped pulse output (reed switch; hall or non-magnetic metal plate).
Working Conditions
Water temperature: ≤50ºC for cold water meter
Water temperature: ≤90ºC for hot water meter
Water pressure: ≤1MPa or 1.6MPa optional (10bar or 16bar optional)
Installation requirements
*The meter should be installed in horizontal position with the direction of the flow as indicated by the arrow cast in the meter body with the register face upwards.
*Pipeline must be flushed before installation.
*The meter should be constantly full of water during operation.
Maximum Permissible Error
In the lower zone from Qmin(Q1) inclusive up to but excluding Qt (Q2) is ±5%.
In the upper zone from Qt(Q2) inclusive up to and including Qmax(Q4) is ±2%（cold water meter）.
In the upper zone from Qt(Q2) inclusive up to and including Qmax (Q4) is ±3% (hot water meter).
Accessories
Each water meter has one set couplings optional: 2pcs tube,2pcs nut and 2pcs gasket
MAIN TECHNICAL DATA According to ISO4064 :2003 (Old Standard)
Size | Inch | Class | Qs | Qp | Qt | Qmin | Min reading | Max reading |
Overload flow | Nominal flow | Transitional flow | Min flow | |||||
DN(mm) | m³/h | L/h | m³ | |||||
15 | 1/2" | A | 3 | 1.5 | 150 | 60 | 0.00005 | 99999 |
B | 120 | 30 | ||||||
C | 22.5 | 15 | ||||||
20 | 3/4" | A | 5 | 2.5 | 250 | 100 | 0.00005 | 99999 |
B | 200 | 50 | ||||||
C | 37.5 | 25 | ||||||
25 | 1" | A | 7 | 3.5 | 350 | 140 | 0.00005 | 99999 |
B | 280 | 70 | ||||||
C | 52.5 | 35 | ||||||
32 | 11/4" | A | 12 | 6 | 600 | 240 | 0.00005 | 99999 |
B | 480 | 120 | ||||||
C | 90 | 60 | ||||||
40 | 11/2" | A | 20 | 10 | 1000 | 400 | 0.00005 | 99999 |
B | 800 | 200 | ||||||
50 | 2" | A | 30 | 15 | 4500 | 1200 | 0.00005 | 99999 |
B | 3000 | 450 | ||||||
65 | 2 1/2" | A | 50 | 25 | 7500 | 2000 | 0.00005 | 99999 |
B | 5000 | 750 | ||||||
MAIN TECHNICAL DATA According to ISO4064:2014 （New Standard）
DN | Mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 |
SIZE | Inch | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | 2 1/2" |
Q4(m³/h) | 3.125 | 5 | 7.875 | 12.5 | 20 | 31.25 | 50 | |
Q3(m³/h) | 2.5 | 4 | 6.3 | 10 | 16 | 25 | 40 | |
R80 | Q2(L/h) | 50 | 80 | 126 | 200 | 320 | 500 | 800 |
Q1(L/h) | 31.25 | 50 | 78.75 | 125 | 200 | 312.5 | 500 | |
R100 | Q2(L/h) | 40 | 64 | 100.8 | 160 | 256 | 400 | 640 |
Q1(L/h) | 25 | 40 | 63 | 100 | 160 | 250 | 400 | |
R125 | Q2(L/h) | 32 | 51.2 | 80.64 | 128 | 204.8 | 320 | 512 |
Q1(L/h) | 20 | 32 | 50.4 | 80 | 128 | 200 | 320 | |
R160 | Q2(L/h) | 25 | 40 | 63 | 100 | 160 | 250 | 400 |
Q1(L/h) | 15.62 | 25 | 39.37 | 62.5 | 100 | 156.2 | 250 | |
Min reading(m³) | 0.00005 | 0.00005 | 0.00005 | 0.00005 | 0.00005 | 0.00005 | 0.00005 | |
Max reading(m³) | 99999 | 99999 | 99999 | 99999 | 99999 | 99999 | 99999 | |
Max pressure(MAP) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | |
Max loss(ΔP) | 63 | 63 | 63 | 63 | 63 | 63 | 63 | |
Max temperature | T50 | T50 | T50 | T50 | T50 | T50 | T50 | |
Pulse output option | reed switch | Vmax=24V, Imax=100mA, Pmax=2W | ||||||
hall | / | |||||||
non-magnetic metal plate | / | |||||||
Dimensions and Weight
Meter Size | Length (L) | Width (B) | Height (H) | Connecting Thread |
mm | mm | D | ||
15 | 165/190 | 98 | 104 | G 3/4B |
20 | 190/195 | 98 | 106 | G 1B |
25 | 260/225 | 103 | 115 | G1 1/4B |
32 | 260/230 | 103 | 115 | G1 1/2B |
40 | 300/245 | 124 | 153 | G 2'B |
50 | 300 | 124 | 153 | G2 1/2 B |
280 | 165 | 175 | Flange connecting GB 4216.4 | |
65 | 280 | 165 | 179 | |
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