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Shanghai Ruidan Automation Instrument Co., Ltd
Low temperature liquid nitrogen liquid oxygen flowmeter
NegotiableUpdate on 05/19
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Overview
The RDLWGY series turbine flowmeter for low-temperature liquid nitrogen and oxygen is a precision flow measurement instrument that can be used to measure the flow rate and total amount of liquids when paired with corresponding flow integrator instruments. When used in conjunction with a quantitative controller, it can achieve high-precision quantitative control of liquid feeding. Widely used in metrology in fields such as petroleum, chemical, metallurgy, and scientific research. Control system. Turbine flow sensors equipped with sanitary fittings can be applied in the pharmaceutical industry: turbine flow meters can also be connected to secondary instruments in the control room to achieve integration, transmission, communication, and control functions.
Product Details
Low temperature liquid nitrogen liquid oxygen flowmeterRDLWGYseriesThe type turbine flowmeter is a precision flow measurement instrument that can be used to measure the flow rate and total amount of liquids when paired with corresponding flow accumulation instruments. When used in conjunction with a quantitative controller, it can achieve high-precision quantitative control of liquid feeding. Widely used in metrology in fields such as petroleum, chemical, metallurgy, and scientific research. Control system. Turbine flow sensors equipped with sanitary fittings can be applied in the pharmaceutical industry：The turbine flowmeter can also be connected to secondary instruments in the control room to achieve integration, transmission, communication, and control functions.
Low temperature liquid nitrogen liquid oxygen flowmeterRDThe LWGY series turbine flowmeter is suitable for measuring liquids with low viscosity, and has the characteristics of high accuracy and able to withstand high working pressure. Widely used in petrochemical, metallurgical, scientific research and other fields, it can also be used in the food industry and hydraulic systems. Pre amplifiers are divided into general and explosion-proof types, while flow meters are available in general and wear-resistant types. Among them, the wear-resistant type uses hard alloy for bearings and shafts (red corundum for bearings with a diameter of 25mm or less), and is designed with appropriate reverse thrust to the impeller, making it more suitable for measuring liquids with poor lubrication performance such as gasoline.
Sensors come in various forms such as ordinary, high-precision, and wear-resistant (hard alloy) types. There are two types of amplifiers: regular and explosion-proof. This sensor can also be used in conjunction with the LRT-I field flow meter (powered by lithium batteries, with battery replacement after 1 year).
Low temperature liquid nitrogen liquid oxygen flowmeterThe LWGY turbine flow sensor is a precision flow measurement instrument suitable for measuring low viscosity media such as water, diesel, gasoline, etc. It can be used to measure the flow rate and total amount of liquids when paired with corresponding flow accumulation instruments. Widely used in the fields of petroleum, chemical, metallurgy, scientific research and other metrology and control systems.
Low temperature liquid nitrogen liquid oxygen flowmeterMain Features
high precision0.2%, 0.5%, 1% accuracy optional
wear-resistantHard alloy shafts and bearings, suitable for media with impurities such as sand particles
corrosion-resistantSuitable for corrosive media such as seawater, ammonia water, acetic acid, etc
bidirectional There are bidirectional turbine flow meters available for selection. Suitable for measuring the inflow and outflow of oil depots.
Multiple outputsPulse, 4-20mADC, on-site cumulative/instantaneous display
Wide power range5～24VDC
Fluid temperature:-20～120℃
Ambient temperature-25～55℃
Relative humidity:≤80％
explosion-proofdIIBT4,
serializationPath 2*，4*，6，10，15，25，40，50，80，100，150，200，250，300mm
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nominal Tongjing DN(mm) |
flow range(Flow range)(m3/h) |
fluid temperature (Medium temp.) (℃) |
nominal pressure PN(MPa) |
environment temperature (Env. Temp.) (℃) |
Maximum pressure Power loss (Ppressure loss) (MPa) |
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Basic error limit(Error) 0.2%* |
Basic error limit(Error) 0.5%* |
Basic error limit(Error) 1.0%* |
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lower limit (Min.) |
upper limit (Max.) |
lower limit (Min.) |
upper limit (Max.) |
lower limit (Min.) |
upper limit (Max.) |
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2A* |
0.03 |
0.16 |
-20 ～+120 (150*) |
6.3 |
-25 ～+55 |
0.12 |
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4A* |
0.04 |
0.25 |
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6A |
0.1 |
0.6 |
6.3 16* 25* 40* |
0.08 |
||||||
10A |
0.2 |
1.2 |
0.05 |
|||||||
15A |
0.6 |
4 |
0.6 |
6 |
0.035 |
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25A |
1.6 |
10 |
1 |
10 |
||||||
40A |
3 |
20 |
3 |
20 |
2 |
20 |
2.5 |
0.025 |
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50A |
6 |
40 |
6 |
40 |
4 |
40 |
||||
80A |
16 |
100 |
16 |
100 |
10 |
100 |
||||
100A |
25 |
160 |
25 |
160 |
20 |
200 |
1.6 or 2.5 |
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150A |
60 |
400 |
50 |
300 |
40 |
400 |
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200A |
100 |
600 |
80 |
800 |
||||||
250A |
160 |
1000 |
120 |
1200 |
1.6 |
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300A |
260 |
1600 |
180 |
1800 |
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Note: with'*' is for ordering
