LD Series Carbon Steel Integrated Liquid Wastewater Electromagnetic Flowmeter-Yuyao Kingtai Instrument Co.,LTD.

LD Series Carbon Steel Integrated Liquid Wastewater Electromagnetic Flowmeter

General:

Smart electromagnetic flowmeter LD series is oriented for conductive liquid with conductance higher than 5us/cm, it can be used to measure the volume flow of conductive fluid in a closed pipeline. It is composed of sensor and converter and two versions are available: Compact version and separate version. It is widely applied in the flow measurement and control in the fields of chemical and petroleum industry, metallurgy industry, water and waste water, agriculture and irrigation, paper making, food and beverage industry and pharmaceutical industry.

Measuring range of the LD smart electromagnetic flowmeter determined on the basis of Faraday Low of Electromagnetic Induction: If lines of magnetic induction are cut through in magnetic field by conductive liquid. Based on the law, we install a pair of electrodes on both sides inside a pipe that runs perpendicularly to both the measuring tube axes and magnetic line of force, electromotive E will be generated between the electrodes.

When flux needs measuring, conductive liquid is let go on velocity V through a magnetic field that is perpendicular to the flow direction. With the conductive liquid running through, a voltage that is proportional to average flowing velocity is to be induced. The voltage signal induced can be detected by two or more electrodes that contacts the liquid and then transmitted to converter for intellectual processing before being shown in LCD display outputting stand end signals of 4~20mA or 0-1kHz.

■LD-MA Model Selection

■Flow Selection Table

Caliber(mm)	Minimum Flow Options (m³/h)	Common choice of full scale flow range options (m³/h)
10	0.10	0.4,0.5,0.6,0.8,1.0,1.2,1.6,2.0,2.5
15	0.20	1.0,1.2,1.6,2.0,2.5,3.0,4.0.5,0.60
20	0.35	2.0,2.5,3.0,4.0,5.0,6.0,8.0,10.0,12.0
25	0.55	3.0,4.0,5.0,6,0.8,0.10,0.12,0.14.0,16.0
32	1.0	5.0,6.0,8.0.,10.0,12,16,20,25
40	1.5	8.0,10.0,12,16,20,25,30,40
50	2.5	12,16,20,25,30,40,50,60,70
65	4.0	20,25,30,40,50,60,80,100,120
80	5.5	25,30,40,50,60,80,100,120,160
100	8.5	40,50,60,80,100,120,160,200,250
125	14	60,80,100,120,160,200,250,300,400,500,600
150	20	100,120,160,200,250,300,400,500,600
200	35	160,200,250,300,400,500,600,800,1000
250	55	200,250,300,400,500,600,800,1000,1200,1600
300	80	300,400,500,600,800,1000,1200,1600,2000,2500
350	105	400,500,600,800,1000,1200,1600,2000,2500,3000
400	135	500,600,800,1000,1200,1600,2000,2500,3000,4000
450	175	600,800,1000,1200,1600,2000,2500,3000,4000,5000
500	215	800,1000,1200,1600,2000,2500,3000,4000,5000,6000
600	305	1000,1200,1600,2000,2500,3000,4000,5000,6000,1000
700	415	1200,1600,2000,2500,3000,4000,5000,6000,10000,12000
800	545	1600,2000,2500,3000,4000,5000,6000,10000,12000,16000
900	690	2000,2500,3000,4000,5000,6000,10000,12000,16000,20000
1000	850	2500,3000,4000,5000,6000,10000,12000,16000,20000,25000
1200	1250	6000,10000,20000,30000,40000,50000
1400	1700	8000,10000,20000,30000,40000,50000
1600	2500	10000,20000,30000,40000,50000,65000
1800	3000	15000,20000,30000,40000,50000,60000,70000,80000
2000	3500	20000,40000,60000,80000,100000
2200	4000	20000,40000,60000,80000,100000,120000

■Dimension (See diagram and drawing below)

Diameter(mm)	A	D	DO	n-Ф
10	200	90	60	4X14
15	200	95	65	4X14
20	200	105	75	4X14
25	200	115	85	4X14
32	200	140	100	4X18
40	200	150	110	4X18
50	200	165	125	4X18
65	250	175	145	8X18
80	250	200	160	8X18
100	250	220	180	8X18
125	250	250	210	8X18
150	300	285	240	8X22
200	350	340	295	8X22
250	400	395	350	12X22
300	460	445	400	12X22
350	460	505	460	16X26
400	600	565	515	16X26
450	600	615	565	20X26
500	600	670	620	20X26
600	600	780	725	20X30
700	600	895	840	20X30
800	800	1015	950	24X33
900	900	1115	1050	24X33
1000	1000	1230	1160	28X33
1200	1200	1405	1340	28x36
1400	1400	1630	1560	32X36
1600	1600	1830	1760	36X36
1800	1800	2045	1970	36X36
2000	2000	2265	2180	48X42
2200	2200	2405	2315	52X45

■Location of installation

In order to enable a reliable flow meter, Pls note the following installation requirements:
1. As far as possible to avoid ferromagnetic objects and equipment with strong magnetic fields(big electric machine, big transformer) is protect of the magnetic field sensor.
2. lt should be installed in the ventilation in the dry, avoid moist and stagnant water.
3. lt should be avoided solarization and rain, To avoid environment temperature higher than 60℃ and humidity more than 95%
4. Flow meter should be enough space around for easy installation and Maintenance.
5. Flow meter must be installed at the outlet of the pump. valve should be installed at downstream of the flow meter.

Place of Origin	Zhejiang China	Output Signal	4-20MA	Connection	Flange
Model NO.	LD Series	Max Temp.	120℃	Application	Wastewater, agriculture, food and so on
Medium	Water, Air	Customized Support	OEM, ODM, OBM	Protection Grade	IP68
Accuracy	±0.5%	Brand Name	ZYIA	Sample	Available

Size	10,15,20,25,32,40,50,65,80,100,125,150,200,250,300,350,400,450,500,600,700,800,900, 1000, 1200, 1400,1600, 1800,2000mm
Explosion Proorf	Ex d II C T6 Gb
Electrode & Grounding	Stainless Steel 316L Hastelloy B Hastelloy C Titanium Tantalum Platinum Tungsten Carbide
Measuring Range	Velocity 0.3-15m/s min.

Measuring Tube	Stainless Steel 304 Stainless Steel 316 (Option)	Cable Entry	2XPG 11, 1/2 NPT (Option)
Flange	Carbon Steel (standard) Stainless Steel 304 (Option) Stainless Steel 316 (Option)	Ambient Temperature	-25 to +60 Deg.C
Coil Housing	Carbon Steel (standard) Stainless Steel 304 (Option) Stainless Steel 316 (Option)	Process Connection	Flange
Liner	Neoprene (25 2000mm) Polyurethane (15 600mm) FEP (10-300mm) PTFE (10-2000mm) PFA (20-500mm)	Flanges Type	JIS 10K1 JIS 20K/ JIS 40K ANSI 150# 1 ANSI 300# / ANSI 600# DIN PN 10/PN 16/ PN 25/ PN 40
Protection	IP 68 (Submersible)	Grounding Resistance Must	be less than 100Ω
Conductivity	to be more than 5us/cm	Temperature	-20~ +80C (Neoprene) -20~+60C (PU) -25~+120C (FEP) -30~+120C (PTFE) -30~+120C (PFA)
Working Pressure	1.6Mpa (Size 10-150mm) 1.0Mpa (Size 200-900mm) 0.6Mpa (Size 1000-2000mm)

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LD Series Carbon Steel Integrated Liquid Wastewater Electromagnetic Flowmeter

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