Description
Based on the principle of torque balance, lwgyn-20 turbine flowmeter belongs to speed flow meter. The sensor has the characteristics of simple structure, light weight, high precision, good repeatability, sensitive response, easy installation, maintenance and use. It is widely used in petroleum, chemical industry, metallurgy, water supply, paper making and other industries. It is a flow measurement and energy-saving instrument.
The sensor and display instrument are used together. It is suitable for measuring the liquid in the closed pipe, which has no corrosive effect with stainless steel 1Cr18Ni9Ti, 2Cr13, corundum Al2O3 and cemented carbide, and has no fiber, particle and other impurities. If it is matched with the display instrument with special function, it can also carry out quantitative control, over quantity reminder, etc.
The sensor is suitable for the medium whose viscosity is less than 5 × 10-6m2 / s at the working temperature. For the liquid whose viscosity is more than 5 × 10-6m2 / s, the sensor should be used after solid liquid calibration.
model selection
Instrument type
Turbine flow sensor
Function type
A
No display, ordinary three-wire pulse
P
Non-display, explosion-proof three-wire pulse
N
No display, two-wire 4-20MA output
B
LCD, battery power and DC24V dual power supply, support three-wire pulse output
C
LCD, DC24V power supply, two-wire 4-20MA output, support three-wire pulse output (optional)
R
LCD, RS485 communication, lithium battery and DC24V dual power supply, support three-wire pulse output
H
LCD, hart communication, lithium battery and DC24V dual power supply, support three-wire pulse output
Measuring
diameter
4
Path: 4 mm, flow range: 0. 04-0.25m3/h
6
Path: 6mm, flow range: 0.1-0.6m3/h
10
Path: 10 mm, flow range: 0. 2-1.2m3/h
15
Path: 15mm, flow range: 0.6-6m3/h
20
Path: 20 mm, flow range: 0. 7-7m3/h
25
Path: 25mm, flow range: 1-10m3/h
32
Path: 32 mm, flow range: 1. 5-15m3/h
40
Path: 40mm, flow range: 2-20m3/h
50
Path: 50mm, flow range: 4-40m3/h
65
Path: 65mm, flow range: 7-70m3/h
80
Path: 80mm, flow range: 10-100m3/h
100
Path: 100mm, flow range: 20-200m3/h
125
Path: 125mm, flow range: 25-250m3/h
150
Path: 150mm, flow range: 30-300m3/h
200
Path: 200mm, flow range: 80-800m3/h
Meter form
Z
One body type
Conventional form
F
Fractal type
Suitable for types B, C, R, H
Interface mode
L1
Pipe thread
Suitable for path DN4-50
L2
Flange
Suitable for all measured paths
L3
Clamp hoop
Suitable for DN15-50,other specifications can be customized
L4
Plug-in type
Suitable for measuring pipes with diameters above DN100
L5
Clamping type
Suitable for DN15-50, other specifications can be customized
Body material
D1
304
Pipe body and flange (or hoop joint)
D2
316
Pipe body and flange (or hoop joint)
Movement material
E1
2Cr13
Impeller
E2
Dual phase steel
Impeller and guide parts
Pressure
Y1
1
Suitable for clamp connection form
Y2
1.6
For DN15-100
Y3
2.5
Suitable for 4-6-10 thread connection
Y4
High pressure customization
Customization
Accuracy class
1
Standard precision
0.5
High precision
Lwgy technical parameters
The sensor of dn4-dn40 caliber is threaded connection with working pressure of 6.3MPa; the sensor of dn50-dn200 caliber is flange connection with working pressure of 2.5MPa; the sensor of dn4-dn 10 caliber is equipped with front and rear straight pipe sections.
Our company can match the front and rear straight pipe section for the sensor with diameter above DN 15.
(2) Medium temperature: - 20 ～ + 120 ℃
(3) Ambient temperature: - 20 ～ + 65 ℃
(4) Power supply: voltage + 6-24 VDC, current: ≤ 10 mA
3.6 V / 0.3 Ma on battery. The 485 communication current increases by 0.6ma.
Transmission distance: the distance between sensor and display instrument can reach 1000m
resistance
grade
