Gas turbine meter
what's the brief introduction of Gas turbine flow meter ?
Our gas turbine flowmeter is learned the flow meter at home and abroad advanced technology optimized design, the comprehensive gas mechanics, fluid mechanics, electromagnetism theory by itself to set temperature, pressure, flow sensor is developed and in the integration of intelligent flow totalizer.especially for a new generation of high precision, high reliability gas precision measuring instrument, has a good performance of low pressure and high pressure measurement, multiple way signal output and low sensitivity to the fluid disturbances.it’s widely used in natural gas, coal gas, liquefied gas and light hydrocarbon gas and gas metering
what's the main parameters of gas turbine flowmeter ?
Standard
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GB/T8940-2003
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Connection size(mm)
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20,25,32,40,50,65,80,100,125,150,200,250,300(flange connection)
25,40,50(can be made with thread connection)
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Accuracy
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±1.5%(±1% customized)
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Range ratio
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1:10 ;1:20 ;1:30
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Material
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Body:SS304 or cast aluminium
impeller:anticorrosive ABS or quality aluminium alloy
Convertor : cast aluminium
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Working condition
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Medium temperature:-20C~+80C
Ambient temperature:-30C~+60C
Relative humidity:5%~90%
Working pressure:86Kpa~106Kpa
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Supply
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A.external power:+24VDC±15%,ripple wave≤±5%,suitable for 4-20mA,Pulse,RS485
B.internal power:1 group 3.0V10AHlithium battery,battery power can do formal work in 2.0V~3.0V,if power less than 2.0V,it will have low voltage indication.
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Consumption
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external power:< 1W Internal power supply :average power≤ 1W,continue to be used more than 3 years
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Output
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Pulse,4-20mA,control signal
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Communication
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RS485
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Recording in real time
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Start and stop recording, day recording,Timing interval recording
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Explosion proof
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ExdⅡBT6 or ExiaⅡCT4
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Protect
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IP65
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Vortex flow meter
what's the Main features of vortex flow meter ?
1.Two-wire and three -wire system.
2.large range
3.Can be used to measure gas,steam and liquid.
4.EVC function is optional.
what's the technical parameters of gas vortex flowmeter ?
Nominal diameter(mm)
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25,40,50,65,80,100,125,150,200,250,300,(300~1000 Insert type)
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Nominal pressure (MPa)
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DN25-DN200 4.0(>4.0 Supply agreement),DN250-DN300 1.6(>1.6 Supply agreement)
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Medium temperature(℃)
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Piezoelectric type:-40~260,-40~320;Capacitance type
: -40~300, -40~400,-40~450(Supply agreement)
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Body material
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1Cr18Ni9Ti,(Other materials supply agreement)
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Allowable vibration acceleration
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Piezoelectric type:0.2g Capacitance type:1.0~2.0g
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Accuracy
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±1%R,±1.5%R,±1FS;Insert type:±2.5%R,±2.5%FS
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Range ratio
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1:6~1:30
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Power supply voltage
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Sensor:+12V DC,+24V DC;Transmitter:+12V DC ,+24V DC;Battery type:3.6V Battery
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Output signal
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Square wave pulse ( not including the battery power supply type ): high level or low level5V,1V; current: 4~ 20mA
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Pressure loss coefficient
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In line with the JB / T9249standard Cd = 2.4
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Explosion proof
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Intrinsic safety type: Exd IA CT2-T5 flameproof type: Exd CT2-T5
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Protection grade
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The ordinary IP65 diving type IP68
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Environmental conditions
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Temperature - 20~ 55,5% ~ 90% of relative humidity, atmospheric pressure is 86 ~ 106kPa
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Medium
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Gas, liquid, steam
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Transmission distance
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Three wire system pulse output type: < 300m, two line standard current output type (4 ~ 20mA ): load resistance less than 750ohm
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Thermal mass meter
what's the brief introduction of Thermal mass flow meter ?
1.It is a true mass flowmeter that can conveniently and accurately measure gas-flow rate without temperature and pressure compensation, from which users can get gas mass flow or standard volume flow.
2.Large ratio of measuring range. It can measure gas with velocity of flow from 100Nm/s to 0.5Nm/s, and be used in gas leak hunting.
3.Good anti-seismic performance and long useful life. The converter doesn’t contain movable part and pressure sense part, so that the measuring accuracy will not be influenced by shaking.
4.Easy installation and maintenance. If possible, on line installations and maintenance are allowed. (See Safety Notice)
5.Digital design. The meter utilizes digital circuit measurement to assure accurate result and convenient maintenance.
6.Factory automation and integration can be achieved by using RS-485 or HART communication.
what's the main features of thermal mass meter ?
1) If installed outside, the meter should be covered by sky shade to avoid exposing to the sun and rain.
2) Do not install in sharp pounding situation.
3)Do not expose to dangerous environment heavily charged with corrosive gas.
4) Do not share power source with polluting equipment such as converter and welding machine, and power conditioner can be installed for converter if necessary.
what's the technical parameters of thermal mass gas meter ?
Measuring medium
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All kinds of gases (excluding acetylene)
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Range of caliber
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DN10~4000mm
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DN25~2000mm
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Range of velocity of flow
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0.5~100Nm/s
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Order of accuracy
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±1%
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Working temperature
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Sensor: ambient temperature-10~+200°C
high temperature modification-10~+350°C
Converter: -10~+45°C
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Working pressure
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Medium pressure≤2.5 Mpa
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Medium pressure ≤ 4.0 Mpa
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Power supply source
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All-in-one machine(DC24V or AC220V ≤ 18W)
Spilt type converter (AC220V ≤ 19W)
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Response speed
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1S
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Output signal
| 4~20mA(photoelectric isolation with top load of 500Ω) RS-485(photoelectric isolation), HART protocal
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Pipeline material
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carbon steel, stainless steel, plastics,etc.
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Display
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All-in-one type: four lines with LCD
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Contents of display
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Gas mass flow, standard condition volume flow, accumulated flow, standard time, accumulated running time, temperature of media, standard flow rate etc.
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Level of protection of one-time meter
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IP67
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Converter material
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Stainless steel
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Stainless steel, carbon steel
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Our Services
1) We are Alibaba Assessed 8 years Gold Supplier.
2) We have about 30 years experience in production.
3) Our products have been exported to more 100 countries and area.
4) 100% QC inspection Before Shippment.
5) ISO,CE,SGS standard and factory price.
Exhibition
We believe exhibition is the Direct way to check product quality.
Certifications
ISO,CE,SGS Certificate
We apply for QUALITY CERTIFICATES for every meter,this is Important reason that clients are happy to choose us !
Happy team
We work together like a BIG FAMILY and try our best to offer BEST SERVICE for our every clients!
Contacts
How to contact us ?
Skype:cixi-kitty
Tel:(86)21-57632436
Tel:(86)21-57632436
Mob(whatsapp):(86) 18930647859
Email: sales15@gninstruments.com
