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Instrument Diameter (mm): 4, 6, 10, 15, 20, 25, 32, 40,50, 65, 80, 100, 125, 150, 200Connection Type: Flange, Thread, ClampAccuracy Class: ±1%, ±0.5% (special order required)Turndown Ratio: 1:10; 1:15
Instrument Diameter (mm): 4, 6, 10, 15, 20, 25, 32, 40,
50, 65, 80, 100, 125, 150, 200
Connection Type: Flange, Thread, Clamp
Accuracy Class: ±1%, ±0.5% (special order required)
Turndown Ratio: 1:10; 1:15
Instrument Material: 304 stainless steel, 316(L) stainless
steel, PVC, F4, etc.
Measured Medium Temperature: -20°C to +80°C; -20°C to
+120°C (high-temperature version)
Output Signal: Pulse frequency signal, low level ≤0.8V,
high level ≥8V
Power Supply: Sensor: +12VDC, +24VDC (optional)
Signal Transmission Cable: RVVP 3×0.5 (three-wire system)
Transmission Distance: ≤1000m
Signal Cable Interface: Standard type: comes with a three-core
cable
Measurement Range and Operating Pressure
|
Instrument Diameter (mm) |
Normal Flow Range (m³/h) |
Extended Flow Range (m³/h) |
Standard Connection Type &
Pressure Rating |
Special Pressure Rating (MPa)
Flange Connection Type |
|
DN 4 |
0.04～0.25 |
0.04～0.4 |
Threaded connection / 6.3MPa |
10, 16, 25 |
|
DN 6 |
0.1～0.6 |
0.06～0.6 |
Threaded connection / 6.3MPa |
10, 16, 25 |
|
DN 10 |
0.2～1.2 |
0.15～1.5 |
Threaded connection / 6.3MPa |
10, 16, 25 |
|
DN 15 |
0.6～6 |
0.4～8 |
Threaded connection / 6.3MPa |
4.0, 6.3, 12, 16, 25 |
|
DN 20 |
0.8～8 |
0.45～9 |
Threaded connection / 6.3MPa |
4.0, 6.3, 12, 16, 25 |
|
DN 25 |
1～10 |
0.5～10 |
Threaded connection / 6.3MPa |
4.0, 6.3, 12, 16, 25 |
|
DN 32 |
1.5～15 |
0.8～15 |
Threaded connection / 6.3MPa |
4.0, 6.3, 12, 16, 25 |
|
DN 40 |
2～20 |
1～20 |
Threaded connection / 6.3MPa |
4.0, 6.3, 12, 16, 25 |
|
DN 50 |
4～40 |
2～40 |
Flange connection / 2.5MPa |
4.0, 6.3, 12, 16, 25 |
|
DN 65 |
7～70 |
4～70 |
Flange connection / 1.6MPa |
2.5, 4.0, 6.3, 12, 16, 25 |
|
DN 80 |
10～100 |
5～100 |
Flange connection / 1.6MPa |
2.5, 4.0, 6.3, 12, 16, 25 |
|
DN 100 |
20～200 |
10～200 |
Flange connection / 1.6MPa |
2.5, 4.0, 6.3, 12, 16, 25 |
|
DN 125 |
25～250 |
13～250 |
Flange connection / 1.6MPa |
2.5, 4.0, 6.3, 12, 16 |
|
DN 150 |
30～300 |
15～300 |
Flange connection / 1.6MPa |
2.5, 4.0, 6.3, 12, 16 |
|
DN 200 |
80～800 |
40～800 |
Flange connection / 1.6MPa |
2.5, 4.0, 6.3, 12, 16 |
Instrument Structure Configuration
Features
High accuracy, fast response
Simple structure, economical
Multiple signal outputs, suitable for batch
control
Product Structure
Typical Applications
Flow measurement of non‑impurity,
non‑strongly corrosive liquids such as water, diesel fuel, lubricating oil,
etc.
Instantaneous Flow / Totalizer Display:
123.456 m³/h
∑: 000000.123 m³
Switchable Display: Flow Rate / Frequency / Current / Percentage
123.456 m³/h
∑: 000000.123 m³
V: 1.45 m/s
Selection Guide
|
Item |
Parameter |
Code |
Description |
|
Model |
|
LWGY(VTF) |
Liquid Turbine Flowmeter |
|
Sensor |
- |
- |
Specifications as below |
|
|
Nominal Diameter |
4 |
DN4 |
|
|
|
6 |
DN6 |
|
|
|
10 |
DN10 |
|
|
|
15 |
DN15 |
|
|
|
20 |
DN20 |
|
|
|
25 |
DN25 |
|
|
|
32 |
DN32 |
|
|
|
40 |
DN40 |
|
|
|
50 |
DN50 |
|
|
|
65 |
DN65 |
|
|
|
80 |
DN80 |
|
|
|
100 |
DN100 |
|
|
|
125 |
DN125 |
|
|
|
150 |
DN150 |
|
|
|
200 |
DN200 |
|
|
Process Connection |
M1 |
Threaded connection (DN4mm-DN50) |
|
|
|
M2 |
Flange connection |
|
|
|
M3 |
Clamp connection (DN4mm-DN80) |
|
|
Body Material |
S1 |
SUS304 stainless steel |
|
|
|
S2 |
SUS316L stainless steel |
|
|
|
S3 |
Engineering plastic (DN4mm-DN50;
pressure rating 0.6MPa) |
|
|
|
S4 |
PTFE (DN4mm-DN50; pressure rating
0.6MPa) |
|
Converter |
- |
- |
Specifications as below |
|
|
Signal Output |
N |
Sensor type: 24VDC power supply,
three-wire pulse signal output |
|
|
|
A |
Transmitter type: 24VDC power
supply, 4~20mA current signal output |
|
|
|
B |
Smart type: Lithium battery power
supply, local display (dual power supply, pulse output optional) |
|
|
|
C1 |
Smart type: 24VDC power supply,
local display, 4~20mA output (pulse output optional) |
|
|
|
C2 |
Smart type: 24VDC power supply,
local display, two-wire 4~20mA with HART communication (pulse output
optional) |
|
|
|
C3 |
Smart type: 24VDC power supply,
local display, RS485 communication (dual power supply, pulse output optional) |
|
|
Converter Type |
M |
M12 aviation connector with 1m
cable (for N type output) |
|
|
|
H |
Hirschmann connector (for N, A
type output) |
|
|
|
E |
Explosion-proof housing type (for
N, A type output) |
|
|
|
D |
Display housing type (for B, C1,
C2, C3 type output) |
|
|
|
W |
Stainless steel housing (for B,
C1, C2, C3 type output) |
|
Performance Options |
- |
- |
Specifications as below |
|
|
Accuracy Class |
10 |
Class 1 |
|
|
|
05 |
Class 0.5 |
|
|
Special Range |
N |
Standard range |
|
|
|
W1 |
Extended range |
|
|
Pressure Rating |
P10 |
1.0MPa |
|
|
|
P15 |
1.6MPa |
|
|
|
P25 |
2.5MPa |
|
|
|
P40 |
4.0MPa |
|
|
|
P63 |
6.3MPa |
|
|
|
PXX |
XX represents pressure rating
(subject to agreement) |
|
Additional Options |
- |
- |
Specifications as below |
|
|
Temperature Level |
N |
Standard temperature type (-20°C
to 80°C) |
|
|
|
T1 |
Sensor with heat sink (-20°C to
120°C) |
|
|
Certification |
E |
Flameproof explosion-proof
certification, Ex db IIC T6 Gb |
|
|
|
J1 |
CE certification |
|
|
|
J2 |
Factory test report |
|
|
|
J3 |
Third-party test report |
Example:
For a flange-connected
explosion-proof turbine flowmeter used to measure diesel fuel, with a pipeline
of DN40, requiring on-site display and remote transmission of current signal,
accuracy Class 0.5, SUS304 stainless steel material, pressure rating 1.6MPa,
and standard measuring range, the product model should be:
VTF-40/F/S1/C1/D/05/S/P16/N/E
