Turbine Flow Meter for Fuel, Oil, Air and Water

August 17, 2022

Model NO.: LWGY
Measuring Media: Liquid or Gas
Measuring Principle: Atomic Physics
Measurement Object: Closed Pipeline
Certification: JIS, DIN, ANS, GB, CE, UL, RoHS, ISO
Medium: Low Viscosity Clean Liquid, Air, Gas
Pressure: Suitable for Very High Pressure
Signal: Pulse, 4~20mA, Hart, RS485
LCD: Yes/No
Ex-Proof: Intrinsic Safety/ Explosion-Proof
Trademark: U-ideal
Transport Package: Wooden Case or Carton
Specification: ISO
Origin: Tianjin, China
HS Code: 90261000
Advantage: 
1. Low weight, small volumn
2. low cost, low price
3. Good accuracy: 0.5%
4. Is a type of digit flowmeter, also called electronic water flowmeter
5. can be installed vertically or horizontally
6. can be work at high pressure 10MPa
7. connection method: ferrule (snap-on), flange, threaded

1. Operating Principle:
 
Liquid flows through the turbine housing causing an internal rotor to spin. As the rotor spins, an electrical signal is generated in the pickup coil. This signal is converted into engineering units (liters, cubic meters, gallons etc.) on the local display where is applicable. Optional accessory modules can be used to export the signal to other equipment.
 
Upon receipt, examine your meter for visible damage. The turbine is a precision measuring instrument and should be handled carefully. Remove the protective plugs and caps for a thorough inspection. If any items are damaged or missing, contact U-IDEAL.
 
Make sure the turbine flow model meets your specific needs. For your future reference, it might be useful to record this information on nameplate in the manual in case it becomes unreadable on the turbine. Refer to the nameplate for your customized product's specification.

2. Technical Data 

 
Measuring system  
Application range   Liquid: water; diesel; gasoline
  1. Without Impurity
  2. Low viscosity
Measured Value  
Primary measured value   Flow Rate
Secondary measured value   Volume flow  
 
Design  
Features    
Modular construction   The measurement system consists of a flow sensor and a signal converter. It is available as compact and as separate version.  
Compact version converter  
 
 		 N Type: Pulse output without local display
A Type: 4-20mA Output without local display
B Type: Local Display; Lithium Battery Power;  
              No Output
C Type: Local Display; 24V DC Power; 4-20mA
Output;  
Optional Function:  
  1. Backup Power Supply: Lithium Battery
  2. Modbus RS485
  3. Pulse Output
Connection
 
 		 Thread: DN4-DN50
Flange: DN15-DN200 (DIN, ANSI, JIS)
Wafer: DN15-DN100
Measurement Ratio Standard - 10:1; Optional: 20:1
 


 
Measuring accuracy  
Reference conditions   Flow conditions similar to EN 29104  
Medium: Water  
Electrical conductivity: ≥ 300 μS/cm  
Temperature: +10...+30°C / +50...+86°F  
Inlet section: ≥ 10 DN  
Operating pressure: 1 bar / 14.5 psig  
Flow Meter Accuracy
 		 Standard: 1.0% of rate
Optional: 0.5% of rate
 
Operating conditions  
Temperature  
Process temperature   T1 Level: -20...+80°C  
T2 Level: -20...+120°C  
T3 Level: -20...+150°C  
Ambient temperature
 (all versions)   		Standard (with aluminum converter housing):  
-10…+55°C  
Storage temperature   -20...+70°
Pressure  
 EN 1092-1   DN100…DN200: PN 16  
DN15…DN80: PN 25
Other pressures on request  
ASME B16.5   1/2"...8": 150 lb RF  
Other pressures on request  
JIS   1/2"...8": 10 K  
Other pressures on request  
 
Installation conditions  
Installation  
 		 Take care that flow sensor is always fully filled  
For detailed information see chapter "Cautions for Installation"  
Flow direction  
 		 Forward
Arrow on flow sensor indicates flow direction.  
Inlet run   ≥ 10 DN  
Outlet run   ≥ 5 DN  
 
Materials  
Sensor housing   SS304  
Other materials on request    
Flanges  
 		 SS304  
Other materials on request    
Rotor     
Standard: 2Cr13 EN10088-3       1.4021 X20Cr13
AISI 420  
BS 420S37  
JIS SUS410J1  
Optional: CD4MCu DN15…DN80  
Bearings and Shaft Tungsten Carbide  
Converter Housing Standard: polyurethane coated die-cast aluminum  
 
Process connections
Flange  
EN 1092-1   DN15...200 in PN 6...40  
ASME   1/2"…8" in 150 lb RF  
JIS   1/2"…8" in 10...20K  
Design of gasket surface   RF  
  Other sizes or pressure ratings on request  
Thread DN4…DN50 in PN63
 
Measurable Flow Rate Range:  
Note: The flow range as blow is for reference only. Consult the factory if you have special requirement. Refer to the nameplate or certificate for actual flow range.
 
Nominal Diameter Standard Flow Range   Extended Flow Range  
(mm) (in.) (m3/h) (m3/h)  
4 0.15 0.04 to 0.25 0.04 to 0.4
6 0.25 0.1 to 0.6 0.06 to 0.6
10 0.4 0.2 to 1.2 0.15 to 1.5
15 0.5 0.6 to 6 0.4 to 8
20 0.75 0.8 to 8 0.45 to 9
25 1 1 to 10 0.5 to 10
32 1.25 1.5 to 15 0.8 to 15
40 1.5 2 to 20 1 to 20
50 2 4 to 40 2 to 40
65 2.5 7 to 70 4 to 70
80 3 10 to 100 5 to 100
100 4 20 to 200 10 to 200
125 5 25 to 250 13 to 250
150 6 30 to 300 15 to 300
200 8 80 to 800 40 to 800
 

3. Model and Selection 

Model Selection (See Table 1)
 
Table 1: Model Selection Guidance for Liquid Turbine Flowmeter
Model Suffix Code        Description 
LWGY-                  
Diameter                  Three Digitals; for example:
010: 10 mm;              015: 15 mm;
080: 80 mm;              100: 100 mm                
Converter  N No display; 24V DC; Pulse Output
A No display; 24V DC; 4-20mA Output
B Local display; Lithium Battery Power; No output
C Local display; 24V DC Power; 4-20mA
Output;  
Optional backup power: Lithium Battery
C1 Local display; 24V DC Power; 4-20mA
Output; Modbus RS485 Communication
Optional backup power: Lithium Battery
H Local display; 24V DC Power;  
4-wire 4-20mA Output & HART
Communication
Accuracy
05 0.5% of Rate
Flow Range  S Standard Range: refer to flow range table
W Wide Range: refer to flow range table
Body Material S SS304
L SS316
Explosion Rating N Safety Field without Explosion
E ExdIIBT6
Pressuring Rating   N Standard
H(x) Customized Pressure Rating
Connection     -DXX DXX: D06, D10, D16, D25, D40
D06: DIN PN6; D10: DIN PN10
D16: DIN PN16; D25: DIN PN25
D40: DIN PN40
-AX AX: A1, A3, A6
A1: ANSI 150#; A3: ANSI 300# A6: ANSI 600#
-JX JX: J1, J2, J4
J1: JIS 10K; J2: JIS 20K; J4: JIS 40K
-TH Thread; DN4…DN50
Fluid Temperature       -T1 -20...+80°C 
-T2 -20...+120°C 
-T3 -20...+150°C 
Model Code: LWGY-050C10SSNN-A1-T1
Explanation - Diameter: 50mm; Converter: 24V DC Power Supply, 4-20mA Output, Local Display
Accuracy: 1.0%; Flow range: 4-40 m3/h; Body Material: SS304; No Explosion; Connection: ANSI 150# Flange; Fluid Temperature: -20…+80°C
Turbine Flow Meter for Fuel, Oil, Air and WaterTurbine Flow Meter for Fuel, Oil, Air and Water
Turbine Flow Meter for Fuel, Oil, Air and Water

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