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Smart gas Roots (waist wheel) flow meter Intelligent gas waist wheel (Roots) flowmeter is a new generation flowmeter that integrates flow, temperature, and pressure detection functions, and can automatically compensate for temperature and pressure. Gas is a compressible fluid, and its volume value is closely related to temperature and pressure. In order to unify standards for both parties, it is necessary to convert the actual volume into a standard volume under reference conditions (101.325 kPa 20°C). In order to achieve this purpose, the smart gas waist wheel flowmeter can accurately correct the volume of gas; it is an ideal instrument for gas measurement in urban gas, petroleum, chemical, electric power, metallurgy and other industries. more
TUF Series Portable Ultrasonic Flow Meter The TUF series ultrasonic flow meter utilizes the principle of low voltage and multiple pulsation time difference, adopts the high-precision and ultra-stable differential transmission of double-balanced signals and differential receiving digital detection technology to measure the acoustic wave transmission time in both the downstream and counter-current directions, and calculates the flow rate according to the time difference.It has the characteristics of good stability, small zero drift, high measuring accuracy and high anti-interference of measuring range over wide. more
LDB Intelligent Type Electromagnetic Flow Meter The LDB intelligent type electromagnetic flow meter consists of a sensor and a converter. It is based on Faraday's law of electromagnetic induction, which is used to measure the volume flow of conductive liquid with conductivity greater than 5μs/cm. It is an inductive meter for measuring the volume flow of conductive medium. In addition to measuring the volume flow of general conductive liquid, it can also be used to measure the volume flow of strong corrosive liquids such as strong acid and alkali and uniform liquid-solid two-phase suspension liquid such as slurry, pulp and paper pulp. more
LKQ Thermal Gas Mass Flow Meter LKQ thermal gas mass flow meter is a mass flow measurement and monitoring meter,which can detect air, natural gas, hydrogen, oxygen, chlorine, nitrogen and ammonia, ammonia, coal gas, phosgene, flue gas and various chemical mixtures, without pressure and temperature compensation. It can be widely used in petroleum, chemical, metallurgy, electric power, water treatment, paper, food, medicine, cement, textile and various production, scientific research units for process control and gas flow measurement. Widely used in: flow measurement of steel plant, coking plant gas. more
LLGQ Gas Roots /Waist Wheel Flow Meter The gas roots flowmeter has been used as a volumetric meter for more than 100 years. With the features such as high precision, wide range, small volume, light weight, convenient installation and maintenance, reliable and durable service life, it is widely used in natural gas, coal gas, air and other gas flowmeters.It is an ideal flowmeter device for urban gas, oilfield chemical, scientific research and other departments at home and abroad. more
High Precision Gas Turbine Flow Meter Gas turbine flowmeter is a new generation of high precision, high reliability gas precision measuring meter integrating temperature, pressure, flow sensor and intelligent flow totalizer developed by the advanced technology of flow meter at home and abroad, optimized by theories of gas mechanics, fluid mechanics and electromagnetics, which has excellent low pressure and high pressure metering performance. more
LUGK Multi Variable Type Vortex Flow Meter Mass vortex flowmeter, simple to install. Connection mode: flange and clamping connection. It has superior reliability and stability due to no movable part, and the detecting portion has only a simple configuration of the vortex generator. Low pressure loss, no leakage point, and high safety performance. Robust sensor construction for high temperature (up to 3500 ° C), high pressure fluid. more
LUGC Steam Gas And Liquid Insert Type Vortex Flow Meter The Insert Type vortex flowmeter is simple in structure and can be made into online installation type.Applicable to large diameter gas, steam flow measurement, etc.Easy installation, no pipe design. more
LUGB Flow Instrumentation Vortex Flow Meter The vortex flowmeter is a speed type flow instrument which has a wide range of uses. It is suitable for flow metering, measurement and control of liquids, steam and most gases. more
LWGK type CPU card gas turbine flowmeter integrates gas turbine flowmeter sensor, CPU card flow compensation controller (hereinafter referred to as controller) and card control valve, and it completes temperature, pressure, flow detection and volume correction and prepaid control by a single microprocessor. It not only has all the excellent features of the base meter and the corrector, but also completely solves the problem that the measurement and deduction of the combined product are not synchronized. The product also uses the CPU card and the ESAM module, and it is a new generation of flowmeter that can prevent network attacks, anti-copying, and ensure the safe, reliable and confidential use process, which is an ideal industrial prepaid meter.
Product Origin:
ChinaShipping Port:
Huangpu portLead Time:
SpotMOQ:
1Features
■ Integrate flow metering, CPU card operation, volume correction and control, with compact structure, high reliability, accurate calculation, fast control;
■The flow compensation controller uses external digital temperature and pressure sensor, with high precision, convenient maintenance and verification;
■ Mature metering base meter: uses the metering base meter produced by our company and evaluated by the market for many years, with stable and reliable performance and accurate measurement;
■Reliable control ball valve: zero pressure loss structure design, valve nominal diameter is equal to pipe diameter , and the switching valve operates reliably;
■Use the main and auxiliary battery power supply mode, with the micro-power circuit design, and the built-in battery can be used for more than three years, and the external power supply can be used for long-term power supply to guarantee valve can be reliably switched.
■LCD displays the cumulative total amount, instantaneous flow rate, temperature, pressure, residual gas volume, battery status, valve status, etc., clear and intuitive display, convenient reading;
■Use EEPROM data storage technology, with historical data storage and query function ;
■Use a CPU card and an embedding ESAM security module, and each operation step of the card requires security authentication with high security;
■ The card can store the card reading information of each meter, and the gas company can read all the information in the card through the user management system during the sale of the gas, which is convenient for managing the user;
■ Use pulse signal output and RS485 communication interface to be convenient for the upper computer to connect to the network, and it can also be matched with the data collector to realize wireless data acquisition;
Functional Features
1.It achieves pre-paid management through IC card, with one meter and one card, and with different user passwords, safe and reliable;
2. The liquid crystal Chinese character displays the air volume information and the related information and status of the valve, the underload, the fault, the low battery, etc.;
3. Use a large-capacity lithium battery for powerto extend the service life. The battery life under normal use is more than 3 years;
4. The controller has battery power detection function. When the battery power is low, the system will automatically display “low power”, with the sound alarm, and will automatically close the valve within the preset time;
5. The controller has a variety of protection functions. When the phenomenon of opening the box, disconnecting the wire, powering off, magnetic interference, etc occurs., the controller will automatically close the valve, cut off the air source, and the liquid crystal will display “fault” and “close the valve”. ” prompt information;
6. Press the key to view work information such as the remaining air volume, accumulated air volume and status;
7. The controller has the external power detection function. When the flow base meter battery or the external power supply is low, the controller will automatically close the valve and display the corresponding fault information;
8.The controller has a flow signal monitoring function. If the controller does not receive the signal output by the flowmeter within the set time, the controller will close the valve and display the corresponding fault information;
9. Press the key to view work information such as the remaining air volume, accumulated air volume and status;
10. The flowmeter can be equipped with RS485 communication interface to verify the accumulated data in real time;
11. Use large LCD screen to display gas volume and status information, clear and intuitive;
12. The controller meter head can rotate by 180 degrees, which is easy to install and use.
Main Technical Parameters
(1) Main circuit board working voltage: DC 6V
(2) Control valve working voltage: DC 7.2V
(3) The lowest alarm voltage of the external battery: 4.5V
(4) The lowest alarm voltage of the internal battery: 5V
(5) Maximum working current: ≤200mA
(6) Static working current: <15µA
(7) Working temperature:-20℃~+55℃, relative humidity: ≤93%RH
(8) Maximum working pressure: ≤0.4M Pa
(9) Adaptation meter type: various flowmeters, industrial membrane meter
Product Composition
This product consists of four parts: industrial gas base meter/flowmeter, intelligent controller, user IC card and prepaid management system.
Installation Dimension Diagram
Table 1
Model specification |
Dimension(mm) |
||||||
DN |
D |
L |
H |
B |
n |
d |
|
LWGK25 |
25 |
115 |
250 |
300 |
85 |
4 |
Φ14 |
LWGK40 |
40 |
150 |
263 |
325 |
110 |
4 |
Φ18 |
LWGK50 |
50 |
165 |
263 |
340 |
125 |
4 |
Φ18 |
LWGK80 |
80 |
200 |
263 |
368 |
160 |
8 |
Φ18 |
LWGK100 |
100 |
220 |
314 |
384 |
180 |
8 |
Φ18 |
LWGK150 |
150 |
285 |
372 |
465 |
240 |
8 |
Φ22 |
LWGK200 |
200 |
340 |
445 |
515 |
295 |
12 |
Φ22 |
LWGK250 |
250 |
405 |
580 |
574 |
355 |
12 |
Φ26 |
Note: flange implements GB9113.1 standard; DN: nominal diameter dimension, n: number of bolts. |
Comparison Table of Product Model and Adaptation Meter Type Flow
Table 2
Classification |
Model |
Flow range (m3/h ) |
Adaptation meter type |
Low pressure controller(0.5 |
LWGK-G6 |
0.06-10 |
G6type membrane meter |
LWGK-G10 |
0.1-16 |
G10type membrane meter |
|
LWGK-G16 |
0.16-25 |
G16type membrane meter |
|
LWGK-G25 |
0.25-40 |
G25type membrane meter |
|
LWGK-G40 |
0.40-65 |
G40type membrane meter |
|
Medium pressure |
LWGK40 |
According to the flowmeter range |
Various gas flowmeters |
LWGK50 |
Various gas flowmeters |
||
LWGK80 |
Various gas flowmeters |
||
LWGK100 |
Various gas flowmeters |
||
LWGK150 |
Various gas flowmeters |
||
LWGK200 |
Various gas flowmeters |
Attention
1. After the IC card is removed, the card mouth must be covered to prevent dirt from entering.
2. This product implements one household, one meter and one card. IC cards must be kept in a safe place and must not be damaged or borrowed from each other.
3. When replacing the external battery, it must be confirmed that there is no flammable gas on site; if you need to replace the internal battery, please contact the local gas company.
4. In order to ensure the normal use of IC card gas products, please select the No. 5 alkaline battery, and it is strictly forbidden to use AC power instead of battery.
5. Do not bring magnetic substances close to the IC card gas products to avoid being unusable.
6. When connecting with the flowmeter, the direction indicated by the arrow of the controller should be installed correspondingly to the direction indicated by the flowmeter arrow, and it should not be reversed to avoid inconvenience.