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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
LWGC (tangential) and LWCB (axial) plug-in type turbine flow sensors are matched with display meters to form a plug-in type turbine flow meter, which can be widely used for measurement of large caliber pipeline source water, circulating water, clean water and other liquid flows and total amount.
Product Origin:
ChinaShipping Port:
Huangpu portLead Time:
SpotMOQ:
1Features
Characteristics of LWGC plug-in type turbine flow meter
(1) The anti-impurity ability is strong, the tangential impeller in the fluid can release the suspended matter can be released when the tangential impeller is rotating at any time, so that it does not wrap around the blades of the tangential impeller.
(2) With strong anti-electromagnetic interference and anti-vibration ability.
(3) The structure and principle of the sensor and display meter are very simple and intuitive, and the user is particularly easy to master the use and maintenance technology.
(4) After replacing the impeller and bearing, the meter factor remains unchanged
(5) The flow range is wide with low down line flow rate.
(6) The measurement error of the total flow of the flow meter is small
(7) It has almost no pressure loss, saving power consumption
(8) The sensor can be installed in the open air, and the whole sensor can be used in the water for a long time.
(9) When disconnecting sensors with shut-off valves ,it is not need to shut off the flow during installation and disassembly.
(10) Horizontal, vertical, inclined pipes can be used
(11) The purchase, installation and maintenance costs of the complete flow meter are low.
Meter Selection
Table 1
|
Mode |
Description |
|
|
LWGC |
|
|
|
Plug-in type |
A1 |
Simplicity |
|
|
A2 |
Online installation |
|
Impeller type |
Q |
Tangential type |
|
|
B |
Axial-flow type |
|
Nominal diameter |
( )mm |
User pipe nominal caliber |
|
Output type |
EN |
Sensor type: 24VDC power supply, output three-wire pulse signal |
|
|
EA |
Transmitter type: 24VDC power supply, output two-wire 4 ~ 20mA |
|
|
B |
Intelligent type: lithium battery power supply (dual power supply, pulse output can be optional) |
|
|
C1 |
Intelligent type: 24VDC power supply, display and output two-wire 4~20mA (pulse output can be optional)） |
|
|
C2 |
Intelligent type: 24VDC power supply, display and output 4-20mA HART communication (pulse output can be optional) |
|
|
C3 |
Intelligent type: 24VDC power supply, on-site display, RS485 communication, (dual power supply, pulse output can be optional) |
Technical Parameters
(1)Plug-in depth h
When the measured inner diameter of the measured pipe is DN ≤ 1000mm, plug-in depth
LWGC h =0.5DN- 20mm
LWGC h =0.5DN
Accuracy: ±5%, ±2.5%
Nominal pressure PN: 1.0Mpa
Temperature of the measured liquid: -20 ℃ ~ 120 ℃
Ambient temperature: -20 ℃ ~ 70 ℃
(2) Distance from sensor to display meter: If the length of signal cable is increased, it can reach more than 1000m. The required cable length should be presented in the order contract or agreement
(3) Requirements for the length of straight pipe: The length of the upstream straight pipe of the sensor should be no less than 20DN, and the length of the downstream straight pipe should not be less than 7DN to ensure accuracy. If the length of the straight pipe cannot meet this requirement, after the calibration of the meter factor KDN is carried out on-site, which will be used.
（4）measurement range Table 2
|
Model |
The measured inner diameter of the pipe to be tested mm |
Plug-in rod length mm |
Flow range corresponding to the nominal diameter DN m³/h |
||
|
Full flow range |
Flow range of accuracy is ±2.5% of the displayed value |
Flow range of accuracy is ±5% of the displayed value |
|||
|
LWGC-100 |
100 |
|
6-150 |
10-150 |
<10-6 |
|
LWGC-150 |
150 |
|
13-200 |
20-200 |
<20-13 |
|
LWGC-200 |
200 |
|
23-300 |
40-300 |
<40-23 |
|
LWGC≤400 |
100 150 200 250 300 350 400 |
906 |
6-150 13-200 23-300 36-450 52-650 70-900 92-1100 |
10-150 20-200 40-300 62-450 90-650 120-900 160-1100 |
<10-6 <20-13 <40-23 <62-36 <90-52 <120-70 <160-92 |
|
LWGC≤800 |
500 600 700 800 |
1106 |
150-1800 220-2500 280-3500 380-4500 |
250-1800 360-2500 450-3500 640-4500 |
<250-150 <360-220 <450-280 <640-380 |
|
LWGC>800 |
900 1000 1100 |
1306 |
460-5800 600-7000 700-8500 |
800-5800 990-7000 1200-8500 |
<800-460 <990-600 <1200-700 |
Technical Requirements and Structure
1. technical requirements
Unmarked dimension and materials are determined by the user according to the compressive strength and anti-corrosion requirements. The position of the mounting base seat on the pipe should be straightforward and intuitively there should be no significant deflection.
Non-steel pipes can be clamped to the “mounting base seat” by clamps, but the clamp must have a clearance dimension of 85 mm as shown in Figure (1) so that bolt M16×65 can be plugged in through the gap when installing the ball valve.
Flange connection dimension standard: GB42164-8414
1. positioning rod
2. the pluging rod
3. locking bolt M8×6016
4. bolt M16 × 65
5. nut M16
6.base seat
7.turbine head
8.sealing gasket
9.ball valve
10.packing gland
11. packing compression bolt M8 × 45-Q12
12.ocking sleeve
13. bolt M6 × 45
14.sleeve
15.outer shell
16.bolt M16×16
17.cover
2.Product structure diagram (Fig.1)
This series of turbine flowmeters is a new generation of turbine flowmeters, which absorbs the advanced technology of domestic and foreign flowmeters and is manufactured in accordance with jb/9246-199 standard.It is characterized by simple structure, light weight, high precision, good reproducibility, strong responsiveness and convenient installation and maintenance.
LWGS series sanitary type turbine flowmeter is a flowmeter meter that can be widely used in pharmaceutical, food, beverage and other industries for applications of metering, batching, control, finished product filling.
Food hygiene turbine Flow meter suitable for: pharmaceutical industry: physiological saline, glucose water and other infusion products filling and metering; Food and beverage industry: vegetable juice, beer, refined oil and other liquid food filling and metering.
LMGH series high pressure type liquid turbine flowmeter is a special high pressure flowmeter which is designed for high pressure fluid industry such as hydraulic equipment, engineering machinery, chemical industry, etc. The outer housing is made of stainless steel, with simple structure,optimized structure, and high pressure butt flange clamping or high pressure threaded connection.
The LWGM series micro type liquid turbine flowmeter is a special flowmeter designed to measure small flows using the principle of turbines.It is extremely accurate, especially under high temperature and high pressure conditions. It is also integrated with a electronic pulse generator to maintain ±1% accuracy and ±0., 25% repeatability under long-term continuous operation. Due to the dexterous structural design, no precipitation is formed during operation, so the operation of the meter is “clean”.
1. High-definition LCD display; 2. Three-key parameter setting and debugging; 3.5-segment polyline correction function for non-linear signals ; 4. Linear current output; 5. Frequency pulse output: DC power can be used to supply power to the pulse output circuit. At this time, the meter can convert the mV pulse signal output by the turbine sensor into a standard TTL pulse,which can be used for linear signal users debugging.
LWGC (tangential) and LWCB (axial) plug-in type turbine flow sensors are matched with display meters to form a plug-in type turbine flow meter, which can be widely used for measurement of large caliber pipeline source water, circulating water, clean water and other liquid flows andtotal amount.
LWGY series turbine flow meter is a very popular product that produced by our company. It is a new generation of turbine flow meters which has absorbed the advanced technology of flow meter at home and abroad, and is manufactured according to JB/9246-199 standard. It has the characteristics of simple structure, light weight, high precision, good reproducibility, high responsiveness, easy installation and maintenance.
YI ultrasonic liquid level meter and open channel flow meter are widely used in the physical level measurement of petroleum, chemical industry, water treatment, water conservancy, food, grain and other industries. They are safe, clean, high precision, long life, stable and reliable, and easy to install and maintain.
LDR electromagnetic heat meter is designed for the special application of intelligent building distributed energy and heat exchange station, which can directly measure flow and cold and heat. It does not need additional flow totalizer and Pt1000. It is easy to install with low cost. The electromagnetic flow sensor is used as an electromagnetic heat meter for detecting the flow rate of the heat transfer fluid, and has the features of high precision, wide application range, and convenient and simple online calibration.
The LDB intelligent type electromagnetic flowmeter 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. It is wdely used for flow measurement of petroleum, chemical, metallurgy, textile, papermaking, environmental protection, food and other industrial sectors and municipal management, water conservancy construction, rivers
Preface Ultrasonic open channel flow meter is used for measuring the flow rate in fluid floe in a free surface state with natural flow in a non-full tubular open channel. It is composed of ultrasonic level meter, flume meter and flow integrator. Compared to other pressure type, capacitance type, float type and other traditional measurement methods, Ultrasonic open channel flow meter had absolute advantage that is No-contact the Measure medium. Thus there is no reason for the winding,blockage, leakage, media corrosion, maintenance inconvenience and other shortcomings.
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