banner

Products

Home Flow meter Metal tube float flow meter LZ Liquid Crystal Display Metal Tube Rotameter

New Products

  • Gas Roots (waist wheel) flow meter

    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

  • Portable Ultrasonic Flow Meter

    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

  • Intelligent Type Flow Meter

    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

  • Thermal Mass Gas Flow Meter

    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

  • Gas Flow Meter

    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

  • Gas Turbine Meter

    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

  • Mass Vortex Flow Meter

    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

  • Steam Gas Vortex Flow Meter

    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

  • Vortex Flow Meter

    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

LZ Liquid Crystal Display Metal Tube Rotameter

LZ metal tube rotameter is used to measure the volume flow of liquid and gas in closed pipe continuously.It can be widely used for measuring liquid and gas flow in national defense, chemical industry, petroleum, metallurgy, electric power, environmental protection, medicine and light industry.

  • Product Origin:

    China
  • Shipping Port:

    Huangpu port
  • Lead Time:

    Spot
  • MOQ:

    1
Product Details

Features

■The float is made of stainless steel inside with anticorrosive material.Exquisite and convenient to use.

■It is widely used in chemical industry, electric power, environmental protection, medicine and light industry.A flow meter for both liquid and gas.

■Wide application range, high precision, high-definition display;Converter tape liquid crystal display.

■Strong abrasion resistance and impact resistance;Anti-corrosion teflon lining.

■Simple structure, reliable work, wide range of use, easy installation;Adopt stainless steel to resist high temperature, safe and reliable.


Instrument selection                                                    

                                                                                                                                           Table 1

Model

Description

LZ

¨

-¨

¨

/¨

/¨

/¨

/¨

/¨

Converter type

A

Pointer converter, no further transmission

B

Pointer converter, 24VDC power supply, output 4-20mA

C

Liquid crystal display converter, powered by lithium battery

D

Liquid crystal display converter,24VDC power supply, output 4-20mA

E

Pointer converter, 24VDC power supply, output 4-20mAalarm output function (no output function)

Nominal diameter

15

15mm

25

25mm

40

40mm

50

50mm

80

80mm

100

100mm

150

150mm

Work number

Please refer to the work number corresponding to the measurement range selected in table 2 of page P86

Measuring medium

L

Liquid

G

Gas

Instrument material

1

304 stainless steel  

2

316stainless steel

3

304 stainless steel shell, PTFE lining

4

Special material

structural style

E

Vertical mounting type

F

Horizontal mounting type

Additional structure

1

Standard structure

2

With an insulated clamp type

3

Gas damping type

4

High temperature type (upper limit 250 )

5

High pressure type

Explosion-proof grade

N

Not explosion-proof

A

Intrinsic safety:ExibCT4 (With LB987S safety grid)  

E

Flameproof typeExdBT4


Installation size

1、Vertical mounting shapes and mounting dimensions                                                                                                          Table 2

Vertical mounting shapes and mounting dimensions

Nominal diameter

(mm)

Instrument voltage

D0

D

f

n - φ d

DN15

4.0

65

95

224

4 - φ 14

DN25

4.0

85

115

245

4 - φ 14

DN40

4.0

110

150

266

4 - φ 18

DN50

4.0

125

160

285

4 - φ 18

DN80

1.6

160

195

306

8 - φ 18

DN100

1.6

180

215

336

8 - φ 18

DN150

1.6

240

280

366

8 - φ 18


2、Horizontal mounting shapes and mounting dimensions                                                                                                    Table 3

Horizontal mounting shapes and mounting dimensions

Nominal diameter

(mm)

Instrument voltage

D0

D

H

L

n - φ d

15

4.0

65

95

385

250

4 - φ 14

25

4.0

85

115

395

250

4 - φ 14

40

4.0

110

150

465

300

4 - φ 18

50

4.0

125

160

460

300

4 - φ 18

80

1.6

160

195

445

400

8 - φ 18

100

1.6

180

215

435

400

8 - φ 18

A free consultation

Email us with any questions or inquiries or use our contact data. We would be happy to answer your questions.

Related Products
LZ Metal Tube Float Flowmeter
LZ Metal Tube Float Flow Meter

LZ series of metal tube float flowmeter is based on the float position measuring a variable area flow meter, adopts full metal structure, the concept of Modular design, because of its small size small pressure loss, large range than (10:1), installation, maintenance is convenient wait for a characteristic, therefore widely used in various industries are complex, bad environment, low for small flow velocity, the conditions of all kinds of harsh medium flow measurement and process control.

FS4001 MEMS Mass Flow Sensor
FS4001 Series Gas Mass Flow Sensors

FS4001 series gas mass flow sensors are specially designed for the measurement and process control of various low-flow gases.This series of sensors are manufactured by microelectromechanical system (MEMS) flow sensor chip developed by our company.Suitable for all kinds of clean and dry gases.

MF5600 Detachable Display Gas Flow Meters
MF5600 Series Detachable Display Gas Flow Meters

MF5600 series separated gas mass flow meters are specially designed for applications requiring separation of display and body, such as hospital oxygen supply system and small air separation system.The standard industrial user interface (rs485/4-20ma) of the flowmeter and the user-defined alarm function can better realize remote or network monitoring.

Vortex flow meter
New Intelligent Vortex flow meter

Ⅰ.General 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.

Thermal Gas Mass Flowmeter
LKM Thermal Gas Mass Flow Controller

■Microelectromechanical chip processing technology ■Large range ratio, high sensitivity, high precision ■Multiple structures, multiple signal outputs

XSR30/XSR70 Paperless Recorder
XSR30/XSR70 Secondary Instrument Paperless Recorder

XSR30/XSR70 paperless recorder is composed of LCD screen, key, ARM microprocessor, main board, main power supply, external power supply, intelligent channel board, large capacity FLASH, etc.

FS8000 Gas Flow Sensors
FS8000 Series Gas Mass Flow Sensors

• Flow Range: FS8001:(0~500)sccm;FS8003:(0~6)SLPM • Accuracy: ± (2+0.5FS) • Repeatability: ± 1.0 • Output: Linear:analog voltage0.5~4.5VDC/I²C • High sensitivity • Low pressure drop • Miniature design for easy installation

High Precision Gas Filter
GYQ Series High Precision Gas Filter

The gas filter is an important equipment of the gas transmission and distribution system. In the gas transmission process, in order to ensure the normal operation and protection of the gas transmission and distribution equipment and meters such as pressure regulators, valves, flowmeters, pressure meters, etc., it must remove the solid impurities in the gas. It is necessary to install a filter with the required filtering accuracy in front of it, so our company has developed and produced the GYQ series filter specifically for the above requirements, which is applicable for natural gas,liquefied petroleum gas, city gas and other gases.

Turbine Flow Meter
High Precision New Generation Of Liquid Turbine Flow Meter

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.

Portable Ultrasonic Flow Meter
UF200 Portable Ultrasonic Flow Meter

Introduction:  UF 200 is a full function handle transfer time ultrasonic flow meter. No matter you want to quickly verify the flow reading of another meter or to data log flow system values over an extended time period, the Voxtmeter UF200 is the suitable tool. The UF200 portable meter has the clamp on transducers no tapping or cutting is required, just clamp outside of the pipe. The meter can be easily moved and installed in different pipe and convenient to carry site to site.Its portability makes it an excellent choice formeasuring flows throughout the plumbing infrastructure to verify sensor, pump andvalve performance.1. Easy to install, reduced installation time and 

Temperature Sensor Transmitter
k Type waterproof thermocouple temperature sensor/ transducer/ transmitter

The temperature transmitter is generally composed of temperature element, transition lead, insulating tube, protective tube, junction box, fixing device, etc., dividing number Pt100, Cu50 thermistor, and K\N\E\J\T thermocouple.

Gas Roots (waist wheel) flow meter
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.

© Copyright: 2026 Hubei Nan Kong Instrument Technology Co.,Ltd..All Rights Reserved.

Chat now

Live Chat

    Email us with any questions or inquiries or use our contact data. We would be happy to answer your questions.