Flow Meter

Standard confirguration of mag flowmeter is PTFE, it has been approved NSF and FDA with food grade, QTLD mag flowmeter will be tested in high and low cabinet, temperature is : -20¡æ ~ 60¡æ for 24 hours. We have 17 years manufacturing expericen, can meet variouls requirement on flow measurement.
Size: 1/8″-120″
Structure: compact, remote
Liner: PTFE, PFA, Polyurethane, Neoprene, Hard Rubber, Ceramic
Power supply: 85~250 VAC, 20V~36VDC, 3.6V lithium battery
Sensor material: carbon steel (std), SS304 / SS316 (optional)
Measuring tube: SS304

Q&T brand ultrasonic flow meter is real flow calibrated,5 flow velocity point and calibrate 3 times for each flow velocity point.Q&T calibration device can calibrate from DN3~DN3000mm,and adopt Seimens,Rosemount,E+H brand flow meter as the standard meter.
Single channel ultrasonic flow meter accuracy <1.0% Multi-channel ultrasonic flow meter caccuracy can reach 0.5%

Flange ultrasonic flow meter could be manufactured from 50mm~700mm and mainly be used to measure the flow and heat of clean liquid which don’t contain large concentration of suspended particles or gas.

Ultrasonic Flow meter for applications in clean water and in low conductivity media. Operating principle based on transit time measurement.
Signal channel type ultrasonic flow meter accuracy it better than 1.0%
Multi-channel type ultrasonic flow meter accuracy can reach 0.5%

Flange ultrasonic flow meter is one kind of contact flow metera and it is time difference meters that use ultrasonic technology to measure the velocity of an acoustically conductive liquid moving through it.
Q&T brand ultrasonic flow meter is one kind of economy type flow meter for liquid,multi channle inline ultrasonic flow meter can reach 0.5% accuracy.

According to market request,the power supply can 24VDC or 220VAC or solar powered;Current the solar powered ultrasonic flow meter is more popular,beacuse solar powered meets international requirements, energy saving and environmental protection.

Pipeline ultraosnic flow meter directly contact the liquid and make the measuring accuracy better than clamp on ultrasonic flowmeter.And installation easy,don’t need calculate the sensor installation distance and cover the coupling agent in the pipe,so this meter can collect the signal very well.

Inline ultrasonic flow sensors are popular solution to simplify flow measurement across a variety of applications.
Higher accuracy across a wide range of applications compared to mechanical meters.
Can be installed permanently or temporarily
Feature a streamlined design without moving parts, which results in minimal maintenance and low cost of installation and ownership.

An ultrasonic flow meter utilizes ultrasound to measure the velocity of a fluid and is used in a variety of fluid applications
Pipeline ultraosnic flow meter directly contact the liquid and make the measuring accuracy better than clamp on ultrasonic flowmeter.And installation easy,don’t need calculate the sensor installation distance and cover the coupling agent in the pipe,so this meter can collect the signal very well.

Ultrasonic flowmeters use sound waves to determine the velocity of a fluid flowing in a pipe.
Inline type ultrasonic flow meter can be OEM,such as Body color,Transmitter color,Channle number,Logo display etc.
Q&T brand ultrasonic flow meter is one kind of economy type flow meter for liquid,multi channle inline ultrasonic flow meter can reach 0.5% accuracy.

Ultrasonic Flow meter for applications in clean water and in low conductivity media. Operating principle based on transit time measurement.
Pipe material:Steel,Stainless steel,Cast iron,PVC,Cement pipe and allow pipe with lining
High Isolation voltage,Strong anti-interference,Suppress voltage noise,Good isolation performance
Inline ultrasonic flow meter collect temperature signal and accuracy reach 0.001¡æ
When using inline ultrasonic flow meter to measure,allowing pipe with liner

Q&T thermal gas mass flow meter with DC4-20mA four-wire output,which is more convenient for remote reception.Support MODBUS RTU RS485 protocol,coordinating the receiving system to collect more data ans modify system
Insertion rod diameter :
DN32~DN50 standard rod dia. 12mm ,14mm is optional
DN65~DN4000 standard rod dia.19mm,12mm and 14mm is optional

Thermal gas mass flow meter is one kind of precision instrument,ensuring the accuracy is important.
Q&T adopt the critical flow nozzle calibration device to calibrate each gas mass flow meter,the calibration device flow range can reach Min. 0.5m3/h and Max.10000 m3/h .
Nozzle calibration device more ensure the flow meters’ accuracy

Metal tube rotameter is suitable for high temperature, high pressure and strong corrosive medium; It can be used in inflammable and explosive dangerous places,for medium with small diameter and low velocity within DN200
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).?
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Critical nozzle flow calibration device could load the factor which is stored by systom to the quantity production,same model,same diameter and under calibrated thermal flowmeters,Just need to test the thermal gas mass flow meter and the process of calibration will be finished by factor amend function of this calibration device.
Q&T¡®s every thermal gas mass flowmeters be calibrated by critical nozzl flow calibration device to ensure flow meters accuracy

Metal rotameter according to the explosion-proof requirements, they
can be divided into three types: common type, intrinsically safe type and isolated explosion-proof type.
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Insertion thermal gas mass flow meter with anti flush-out design for high pressure,more safety
When absolute pressure of measuring medium is higher than 5 times standard atmospheric pressure, or higher than the pressure of possible danger, should shut down or do reducing pressure to reach a safety pressure, and then do hot-tapped operation. If there are no conditions to do hot-tapped operation, should shut down to avoid dangers.

large range ratio (10:1), convenient installation and maintenance, it is
widely used in flow measurement and process control of small flow rate,
low flow rate and various harsh medium conditions in various industries
and harsh environments
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Thermal gas mas flow meters are measuring the mass flow or volume flow of gas,flow range can do 0.5Nm/s¡«100Nm/s. So this meter also can be used for gas leak detection.
Thermal flow sensor temp is always 30¡æ higher than the medium temperature (environment temperature), and the meter adopts method of constant differential temperature, therefore the meter don¡¯t need temperature and pressure compensation in principle.

Matel tube flowmeter based on the float principle are versatile and can be used for conductive and non-conducting liquids and gases. The sturdy all-metal design ensures high resistance to pressure, temperature and media and stands up to extreme application and environmental conditions.
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

For the insertion type instrument, on the premise that both the measuring media and field environment are applicable for online dismantlement with non-stop operation, it is viable to have maintenance operation with non-stop operation relying on its special structure
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA

liquid and gas metal tube float rotameter consists of measuring pipe, float, indicator and process connection components with the characteristics of small size, wide measuring range, easy installation. In the industry area, it is widely used to measure flow of gas, liquid, and steam, especially suitable for mediums with low current velocity and low flow rate
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Metal pipe flowmeter consists of measuring pipe, float, indicator and process connection components with the characteristics of small size, wide measuring range, easy installation. In the industry area, it is widely used to measure flow of gas, liquid, and steam, especially suitable for mediums with low current velocity and low flow?rate.
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

metal rotameter mainly used in liquid, acid ,or gas flow measurement and automatic control system in the oil, chemical, pharmaceutical, food and other industries.
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Metal tube rotameter is an instrument for measuring the flow of liquids or gases in pipelines. It is composed of two major parts:sensor and indicator.The sensor mainly consists of the joint flange, cone, float as well as upper and lower guiders; while, the indicator mainly consists of the casing, magnetic transmission system, dial scale and electric transmission system.
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Metal tube rotameter is Widely used in petrochemical, steel, electric power,
metallurgy, light industry, food, pharmaceutical,
water treatment and other industries
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Metal tube rotameters are widely used in pe-
troleum, chemical, power generation, pharma-
ceutical, food, water treatment, etc. Complex,
harsh environmental conditions, and a variety
of media conditions in the process of flow
measurement.
Range ratio:10:1(Special type 20:1)
Accuracy class:2.5(Special type 1.5% or 1.0%)
Working pressure:?DN15~DN50 PN16MPa (Special type 25MPa).
DN80~DN150 PN10MPa (Special type 16MPa).
Pressure rating of jacket 1.6MPa.
Output:4~20mA/?HART?/RS485?/Alarm?/Pulse
Connection mode:Flange Thread Tri-clamp

Q&T thermal gas mass flow meter can be divided into five sections for correction,this operation will make measuring more accurate
Line type accuracy is ¡À1.0%
Insertion type accuracy is ¡À1.5%

The thermal gas flowmeter is mainly used for measuring gas with low flow and the range could reach 1:100,which is btter than gas flowmeter on market and low flow could be measured,the min.flow velocity can reach 0.1Nm/s and Max. velocity reach 100Nm/s
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA

Q&T brand thermal gas flow meter adopt gas venturi sonic nozzle calibration device regular insprction and verification guarantee accuracy and reliability of the calibration device.
According to clients request,Q&T also can apply the CNAS certificates for the thermal flow meter
Media:All gas except acetylene and humid gas
Measure range:1:100
Sesnsor working temperature:-20~220℃
Transmitter working temperature:-20~45℃
Output:4-20mA