Gold Member Since 2017
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Shanghai Yinuo Instrument Co., Ltd.

Pd Meter, Volumetric Flowmeter, Diesel Oil Flowmeter manufacturer / supplier in China, offering Positive Displacement Flowmeter with Electronic Counter, Coriolis Mass Flowmeter (LZYN) for Liquid & High Pressure Gas, Micro-Bend Coriolis Mass Flowmeter (LZYN) and so on.

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Positive Displacement Flowmeter with Electronic Counter

Purchase Qty.:
(Pieces)
1-9 10+
FOB Unit Price: US $800 US $700
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $800
10+ US $700
Get Latest Price
Port: Shanghai, China
Production Capacity: 5000units Per Year
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: LSZ
  • Main Application: Water, Wastewater, Diesel Fuel, Fuel Oil, Corrosive Liquid/Gas, High Viscosity Liquid
  • Sensor: Tube/Flange
  • Type: Volume Type Flow Meter
  • Measuring Principle: Volumetric
  • Certification: JIS, DIN, GB, CE, ISO
  • Transport Package: Wooden Case
  • Origin: Shanghai, China.
  • Accuracy: ≤±0.1%
  • Size: Dn8mm -Dn400mm
  • Application: Energy Metering
  • Measuring Media: Liquid
  • Measurement Object: Closed Pipeline
  • Trademark: YINUO
  • Specification: Size from 3/8inch to 16 inch
  • HS Code: 9026100000
Product Description
LSZ- Double-Rotator Flowmeter
General
LSZ- Double-Rotator Flowmeter is the latest & international super-class volumetric-type flowmeter. It is a
type of precise instrument measuring and controlling liquid flow in the pipeline, featuring high measurement
precision, smooth running, free of pulsation, low noise, long service life and excellent adaptability to
viscosity etc.. Therefore, the product has been widely used in various fields such as petroleum, chemical,
metallurgy, electric power, shipping, traffic, dock, mine, thermal power, and foodstuff industries etc.. It is
especially suitable for commercial trade measurement for crude oil, high condensation oil, crude oil with
high water content, petroleum products, foodstuff and chemical solutions as well as measuring
management and control of engineering automation. The codes and characters displayed on the flowmeter
can be directly read locally. The photo-electric pulse converter equipped can output electric pulse(current)
signals to the displaying instrument and computer for handling. Thus, the flow in the pipeline can be
remotely controlled.
                                                           Positive Displacement Flowmeter with Electronic Counter
Principle
The measuring chamber of the double-rotator flowmeter consists of interior casing, a pair of helix rotators
and top & bottom cover plates. These formed a cavity with known volume which can be used as the
measuring unit for the flowmeter. The rotator of the flowmeter rotates under the tiny pressure difference
between the inlet and outlet and continually sends the liquid at inlet to the outlet after cavity
measurement(See Fig.2). The rotator transmits the rotating numbers to the counter by means of sealed
coupling and driving system so that the total volume of the liquid passing the flowmeter can be directly
displayed.

Picture 2: The Principle of LSZ- Flowmeter

                                                Positive Displacement Flowmeter with Electronic Counter

                                                          Positive Displacement Flowmeter with Electronic Counter
  1. Inner measuring chamber
  2. Chamber cases
  3. Rotors
LSZ-Bi-rotator Flowmeter is a positive displacement meter utilized in the most demanding applications requiring accuracy, long life and ruggedness. It features two precisely machined rotating members known as helical rotors which rotate and mesh within the meter's interior housing in order to form a measuring chamber of known volume which may be used to accurately determine volumetric flow rate as a function of the rotors' velocity. As liquid enters the intake of the measurement element, two finely timed rotors divide the liquid into precise segments of known volume and return those segments to the flowing stream. During this transition, the rotation of the two rotors is directly proportional to volumetric throughput. Volume indication is determined by mechanical output gearing leading to electronic or mechanical  registration devices

Main Technical Parameters                                 Table:1
Nominal Dia. (mm)8~400
Accuracy ±0.1%, ±0.2% and ±0.5%
Pressure loss0~1000mPa.s<80Kpa  1000~20000mPa.2<150KPa
Nominal pressure1.6, 2.5, 4.0, 6.4 MPa
Temperature range-20°C ~ +80°C  +80°C ~ +150°C  +150°C ~ +250°C
Media viscosity0~20000mPa.s
Ambient temperature-40°C ~ +70°C
Connected flangeCan be custom-made
Photoelectric pulse(current)converterExd II CT6(Excluding acetylene)
Electronic meterhead Exd II CT2-T6
Range of Flow       
For Accuracy: 0.5% and 0.2%                                                            Table.2
 
Nominal
Dia.
(mm)
Flow range m3/hPulse equivalent liter/pulse
0.32-0.8mPa.s0.8-2mPa.s2-5mPa.s5-400mPa.s400-2000mPa.s2000-20000mPa.s
Gasoline/ liquefied gasKeroseneLight dieselCrude oil, heavy oilHi-viscosity
Liquid
Liquid with high water content & super-high viscosity liquid
0.5%0.2%0.5%0.2%0.5%0.2%0.5%0.2%0.5%0.2%0.5%0.2%
150.6-3 0.4-4 0.4-4 0.4-4 0.3-2.4 0.3-2.4 0.001
253-8 1.5-10 1-10 1-10 1-8 1-6  
0.01
 
408-208-202.7-225.5-222.5-254.4-222.5-254.4-222.1-184.2-181.5-123-12
509-3615-364.5-369-364-407.2-364-407.2-362.8-246-242.2-184.5-18
8020-8032-8010-8020-809-9016-809-9016-806.5-5614-565-4010-40 
 
 
0.1
10025-10040-10013-10025-10012-12020-10012-12020-1008.5-7218-726.5-5414-54
15055-22588-22031-25057-22525-25044-22025-25044-22018-15038-15012-10025-100
20090-360150-36050-40090-36040-40072-36040-40072-36028-24053-21020-16040-160
250135-540180-54068-540135-54060-600108-54060-600108-54042-36090-36030-24060-240
300220-900300-900112-900225-900100-1000180-900100-1000180-90070-600150-60054-450113-450
400400-1600550-1600200-1600400-1600180-1800320-1600180-800320-1600130-1100275-110090-750180-750
Double-Rotator Flowmeter
Accuracy: 0.1%                                      Table.3
 
Nominal
Dia.
(mm)
Flow range m3/hPulse equivalent liter/pulse
0.32-2 mPa.s
 
2-5 mPa.s5-50mPa.s   500-400          mPa.s400-2000 mPa.s2000-20000 mPa.s
Gasoline/ liquefied gasKeroseneLight dieselCrude oil,heavy oilHi-viscosity
Liquid
Liquid with high water content & super-high viscosity liquid
4011-229-227.5-227.5-227.5-224-123.3-100.001
5018-3614.4-3612-3612-3612-367.5-226-180.01
8040-8032-8026.7-8026.7-8026.7-10016-4813-40
10050-10040-10034-10034-10034-10024-7218-54
150115-22090-22073-22073-22073-22040-12030-900.1
200180-360144-360120-360120-360120-36060-18050-150
250270-540216-540180-540180-540180-540100-30060-180
300450-900360-900300-900300-900300-900200-600150-450
400800-1600640-1600530-1600530-1600530-1600400-1200300-900
Double-Rotator Flowmeter-(Electron Meter head)
Accuracy: 0.5%, 0.2%                                                   Table. 4
 
Nominal
Dia.
(mm)
Flow range m3/hPulse equivalent liter/pulse
0.32-0.8mPa.s0.8-2mPa.s2-5mPa.s5-4mPa.s400-2000mPa.s2000-20000mPa.s
Gasoline/ liquefied gasKeroseneLight dieselCrude oil, heavy oilHi-viscosity
Liquid
Liquid with high water content & super-high viscosity liquid
0.50.20.50.20.50.20.50.20.50.20.50.20.01
80.06-0.30.10-0.30.05-0.30.07-0.30.03-0.30.06-0.30.03-0.30.06-0.30.03-0.270.06-0.270.03-0.240.06-0.24
15A0.2-0.80.27-0.80.1-10.2-10.1-1.50.1-10.1-1.50.1-10.1-0.80.16-0.80.08-0.70.15-0.7
15B0.25-10.33-10.25-1.50.25-10.25-30.3-30.3-30.4-30.1-1.50.2-1.50.1-1.20.2-1.2
251.5-62-61.2-61.5-60.6-101.2-100.6-101.2-100.6-61.2-60.6-51.2-50.1
Double-Rotator Flowmeter-St. steel (-20°C ~ +80°C)
Accuracy: 0.5% and 0.2%                              Table.5
Nominal
Dia.
(mm)
Range of flow m3/hPulse equivalent liter/pulse
0.32-0.8 mPa.s0.8-2 mPa.s2-5 mPa.s5-400 mPa.s400-2000 mPa.s2000-20000 mPa.s
Gasoline/ liquefied gasKeroseneLight diesel, dieselCrude oil, heavy oilHi-viscosity
Liquid
Liquid with high water content & super-high viscosity liquid
0.50.20.50.20.50.20.50.20.50.20.50.2
150.75-3 0.75-3 0.6-3 0.6-3 0.6-3 0.5-2.5 0.001
252-8 2-8 1.6-8 1.6-8 1.2-6 1-5 
406-248-246-248-244.8-
24
6-244.8-
24
6-243.6-
18
4-162.4-
12
2.5-100.01
509-3612-369-3612-367.2-
36
9-367.2-
36
9-364.8-
24
5.5-
22
3.6-
18
4-16
8020-8027-8020-8027-8016-8020-8016-8020-8012-5612-488-409-360.1
10025-
100
34-
100
25-
100
34-
100
20-
100
25-
100
20-
100
25-
100
15-7515-6011-5411-45
15055-
220
75-
220
55-
220
75-
220
45-
220
55-
220
45-
220
55-
220
30-
150
35-
135
20-
100
23-90
20090-
360
120-
360
90-
360
120-
360
72-
360
90-
360
72-
360
90-
360
43-
210
50-
200
32-
160
38-150
250135-
540
180-
540
135-
540
180-
540
108-
540
135-
540
108-
540
135-
540
72-
360
90-
360
48-
240
60-240
300225-
900
300-
900
225-
900
300-
900
180-
900
225-
900
180-
900
225-
900
120-
600
150-
600
90-
450
113-450
Double-Rotator Flowmeter-St. steel high temp. type (+80°C ~ +150°C)
Accuracy: 0.5, 0.2                                 Table.6
Nominal
Dia.
(mm)
Range of flow m3/hPulse equivalent liter/pulse
2-5 mPa.s5-50 mPa.s50-400 mPa.s400-2000 mPa.s2000-20000 mPa.s
Light dieselCrude oil, heavy oilCrude oil, heavy oilHi-viscosity
Liquid
Liquid with high water content& super-high viscosity liquid
0.50.20.50.20.50.20.50.20.50.2
405.6-
22.5
7-205.6-
22.5
7-205.6-
22.5
7-204-154-123-123.5-100.01
509-3610-329-3610-329-3610-324.5-227-204.5-186-18
8020-8025-7520-8025-7520-8025-7512-4813-409-3610-30 
 
0.1
10025-
100
30-9025-
100
30-9025-
100
30-9015-6017-5011-4514-40
15045-
220
75-
220
45-
220
75-
220
45-
220
75-
220
35-
135
34-
100
23-9027-80
20090-
360
120-
360
90-
360
120-
360
90-
360
120-
360
50-
200
54-
160
38-15043-130
250135-
540
180-
540
135-
540
180-5
40
135-
540
180-
540
90-
360
120-
360
60-24080-240
300225-
900
300-
900
225-
900
300-
900
225-
900
300-
900
150-
600
200-
600
113-450150-450
Double-Rotator Flowmeter-St. steel high temp. type (+150°C ~ +250°C)
Accuracy: 0.5% and 0.2%                        Table.7
 
Nominal
Dia.
(mm)
Range of flow m3/hPulse equivalent liter/pulse
2-5 mPa.s5-50 mPa.s50-400 mPa.s400-2000 mPa.s2000-20000 mPa.s
Light dieselCrude oil, heavy oilCrude oil, heavy oilHi-viscosity
Liquid
Liquid with high water content& super-high viscosity liquid
0.50.20.50.20.50.20.50.20.50.2
407.5-22.510-207.5-22.510-207.5-22.510-205-156-124-125-100.01
5012-3616-3212-3616-3212-3616-327.5-
22.5
10-206-189-18
8026.7-8035-7526.7-8035-7526.7-8035-7516-4820-4012-3615-30 
0.1
10034-
100
45-9034-
100
45-9034-
100
45-9020-6025-5015-4520-40
15075-
220
110-
220
75-
220
110-
220
75-
220
110-
220
45-13550-10030-9040-80
200120-
360
180-
360
120-
360
180-
360
120-
360
180-
360
65-
200
80-
160
50-
150
65-130
 

Double-Rotator Flowmeter-Carbon steel high temp. type (+150°C ~ +250°C)
     Accuracy: 0.5, 0.2                                  Table.8
Nominal
Dia.
(mm)
Range of flow m3/hPulse equivalent liter/pulse
2-5 mPa.s5-50 mPa.s50-400 mPa.s400-2000 mPa.s2000-20000 mPa.s
Light dieselCrude oil, heavy oilCrude oil, heavy oilHi-viscosity
Liquid
Liquid with high water content& super-high viscosity liquid
0.50.20.50.20.50.20.50.20.50.2
404.5-22.55.6-22.54.5-22.55.6-22.54.5-22.55.6-22.54.2-185-153-124-120.01
507.2-369-367.2-
36
9-367.2-
36
9-366-247.5-
22.5
4.5-
18
5.5-17.5
8016-8020-8016-8020-8016-8020-8014-5616-4810-4012-360.1
10020-10025-10020-10025-10020-10025-10018-7220-6014-5416-48
15045-22055-22045-22055-22045-22055-22038-15045-13525-10030-90
20072-36090-36072-36090-36072-36090-36053-21065-20040-16050-150
250108-540135-540108-540135-540108-540135-54072-36090-36060-24080-240
300180-900225-900180-900225-900180-900225-900120-600150-600113-450150-450
Note: The flowmeter is also suitable for interim measurement during installing/uninstalling and ship installing.

Applications:
Positive Displacement Flowmeter with Electronic Counter
Positive Displacement Flowmeter with Electronic Counter










 
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