Liquid Turbine Flow Meter
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China [CN] SLW series Turbine Flow Meter has simple structure, light weight, high-accuracy, perfect repeatability, sensitivity, easy maintenance and use. It is a kind of volumetric flow meter and low cost flow meter which are widely used to measure liquid which has no chemical corrosive reaction with stainless stee1Cr18Ni8Ti, 2Cr13, corundum Al2O3and cemented carbide. This kind of measured liquid has no impurities such as fiber and particles. The movement viscosity is lower than 5×10-6m2/s at working temperature. If the viscosity is higher than 5×10-6m2/s, turbine flow meter manufacturer will calibrate in the liquid before use, so it is good to use as oil flow sensor ,such as diesel flow meter. It can finish batch control, alarm and etc,if matched with digital controllers. It is also the ideal turbine meter for flow measuring and energy saving (such as used as LPG flow meter or digital fuel flow meter).
• High accuracy; Normal type can reach ±1%R, ±0.5%R.High accuracy type can reach to ±0.25%R.
• Excellent repeatability, repeatability in a short time can reach to 0.05%~0.2%.Due to the excellent repeatability; customers buy flow meter and use it for trade purpose.
• Turbine flow transmitter Output pulse frequency signal, suitable for total flow measuring (work as totalizing flow meter) and connecting upper computer through Modbus RS485, it can also be analog flow meter
• Turbine flow sensor no zero drift and strong ability in anti-noise.
• High frequency signal (10Hz~1.5 KHz), strong signal resolution.
• SLW series Turbine Flow Meter with wide turn down ratio, max 1:20
• Compact and light structure, convenience in installation and maintenance, cheap China flow meter.
• Suitable to measure in high pressure .No need to open aperture on the meter, so it is easy to make high pressure flow meter.
• It is custom turbine flow meter. it can be thread connection turbine flow or sanitary turbine flow meter, and it can even be made as low flow turbine flow meter with flow meter size only DN4.
• SLW series Turbine Flow Meter can max bear 150℃, so it can be used as hot water meter or measure other high temperature medium.
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Manufacture Standard |
Turbine flow meter (JB/T9246-1999) |
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Turbine Flow Medium |
Clean, low viscosity(≤5×10-6m2/ s) ,non-corrosive liquid |
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Flange Standard |
Standard GB/T9113-2000,option ANSI,JIS,DIN |
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Thread Standard |
StandardBSPP(male),optionBSPP (female), NPT.,etc. |
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Turbine Flow meter Accuracy |
1.0%,0.5% |
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Turn Down Ratio |
1:10-1:20 |
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Calibration |
Methods |
Master meter calibration |
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Static weigh mass flow calibration |
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Environment |
Environment temperature: 20℃ |
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Relative Humidity :65% |
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Working Condition |
Medium temperature |
T1: -20 ~80℃ |
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T2: -20 ~120℃ |
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T3: -20 ~150℃ |
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Environmenttemperature |
-20 ~60℃ |
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Relative Humidity |
5%-90% |
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Atmospheric pressure |
86Kpa-106Kpa |
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Enclosure Protection |
SLW-N:IP60; othersIP65 |
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Transmission Distance |
No more than 1000 m |
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Turbine Flow sensorMaterial |
Housing: Standard-304 Stainless Steel ; Optional - 316 Stainless Steel Bearings and Shaft: Tungsten Carbide ; Rotor:2Cr13 Stainless Steel Retaining Rings:304 Stainless Steel |
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Turbine meterConsumption |
< 1W |
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Communication |
Modbus RTU/Hart Protocol |
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Turbine Flow meter Flow Range & Connection & Pressure Rating
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Size (mm) |
Standard Flow (m3/h) |
Extended Flow (m3/h) |
Connection |
Standard Pressure |
Special Pressure |
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DN4 |
0.04-0.25 |
0.04-0.24 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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DN6 |
0.1-0.6 |
0.06-0.6 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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DN10 |
0.2-1.2 |
0.15-1.5 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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DN15 |
0.6-6 |
0.4-8 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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Flange |
4.0Mpa |
≤10Mpa |
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DN20 |
0.8-8 |
0.45-9 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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Flange |
4.0Mpa |
≤10Mpa |
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DN25 |
1-10 |
0.5-10 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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Flange |
4.0Mpa |
≤10Mpa |
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DN32 |
1.5-15 |
0.8-15 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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Flange |
4.0Mpa |
≤10Mpa |
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DN40 |
2-20 |
1-20 |
Thread |
6.3 Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤42Mpa |
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Flange |
4.0Mpa |
≤10Mpa |
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DN50 |
4-40 |
2-40 |
Thread |
1.6Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤25Mpa |
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Flange |
4.0Mpa |
≤10Mpa |
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DN65 |
7-70 |
4-70 |
Thread |
1.6Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤25Mpa |
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Flange |
1.6Mpa |
≤6.3Mpa |
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DN80 |
10-100 |
5-100 |
Thread |
1.6Mpa |
≤16Mpa |
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Wafer |
1.6Mpa |
≤25Mpa |
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Flange |
1.6Mpa |
≤6.3Mpa |
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DN100 |
20-200 |
10-200 |
Wafer |
1.6Mpa |
≤16Mpa |
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Flange |
1.6Mpa |
≤6.3Mpa |
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DN125 |
25-250 |
13-250 |
Wafer |
1.6Mpa |
≤16Mpa |
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Flange |
1.6Mpa |
≤2.5Mpa |
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DN150 |
30-300 |
15-300 |
Wafer |
1.6Mpa |
≤16Mpa |
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Flange |
1.6Mpa |
≤2.5Mpa |
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DN200 |
80-800 |
40-800 |
Wafer |
1.6Mpa |
≤10Mpa |
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Flange |
1.6Mpa |
≤2.5Mpa |
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Item |
Code |
Description |
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General |
SLW |
Silver Liquid turbine flow meter |
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NominalDiameter |
DN4-200 |
DN4-DN200 |
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Type |
N |
Without display, pulse output, 24VDC power supply |
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A |
Without display ,4-20mA output, 24VDC power supply |
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B |
With display, Battery powered, without output |
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C |
With display,4-20mA output, 24VDC power supply |
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C3 |
With display, Pulse output, 24VDC power supply |
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C2 |
With display,4-20mA output and Hart, 24VDC power supply |
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C1 |
With display,4-20mA output and RS485, 24VDC power supply |
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Cx |
Customized |
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Accuracy |
10 |
±1.0% of reading (DN4-DN10,DN125-DN200) |
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05 |
±0.5% of reading (In line type,DN15-DN100) |
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S |
Customized |
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Flow Range |
S |
Standard (refer to table 2) |
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E |
Extended (refer to table 2) |
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Housing Material |
S |
304 Stainless Steel |
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L |
316 Stainless Steel |
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Explosion Proof |
N |
Non explosion proof |
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E |
ExdIIBT6 |
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Pressure rating |
N |
Standard, (refer to table2) |
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H(x) |
Customized,(refer to table2) |
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Temperature |
T1 |
-20 ~80℃ |
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T2 |
-20 ~120℃ |
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T3 |
-20 ~150℃ |
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Installation |
FL |
Flange connection |
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LW |
Thread Connection (Specify Thread standard when ordering) |
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JZ |
Wafer type connection |
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S |
Others |
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Addition option |
H |
WithHausman Connector |
Sample: SLW-25/C/05/S/S/N/T1/FL
Liquid turbine flow meter, DN25, With display,4-20mA output, 24VDC power supply, accuracy 0.5%,standard flow range 1-10m3/h, 304 Stainless Steel Housing Material, non explosion proof, 4.0Mpa, temperature: -20 ~80℃, flangeconnection.
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