WTL electromagnetic flowmeter

NegotiableUpdate on 05/11

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Overview

WTL electromagnetic flowmeter example: Select a local display electromagnetic flowmeter to measure sewage. The user pipeline is DN50, requiring rubber material lining, stainless steel electrodes, 4-20mA output, no communication, and an upper limit flow rate of 30m3/h

Product Details

WTL electromagnetic flowmeter

Example: Use a local display electromagnetic flowmeter to measure sewage. The user pipeline is DN50, requiring rubber material lining, stainless steel electrodes, 4-20mA output, no communication, and an upper limit flow rate of 30m3/h. The model should be LDE-50S-M1X100-30

2. Selection of measurement range

Inner diameter（mm）	10	15	20	25	32	40	50	65
Qmin（m3/h）	0.0283	0.0636	0.12	0.176	0.29	0.452	0.7	1.19
Qmax（m3/h）	4.24	9.54	16.96	26.5	43.42	67.85	106.0	179.0
Inner diameter（mm）	80	100	125	150	200	250	300	350
Qmin（m3/h）	1.8	2.82	4.41	6.36	11.3	17.6	25.4	34.6
Qmax（m3/h）	271.0	424.0	662.0	954.0	1690	2650	3810	5190
Inner diameter（mm）	400	450	500	550	600	700	800	900
Qmin（m3/h）	45.2	57.2	77.6	85.5	101.0	138.0	180.0	229.0
Qmax（m3/h）	6780	8570	10600	12800	15200	20700	27100	34300
Inner diameter（mm）	1000	1100	1200	1400	1600	1800	2000	2200
Qmin（m3/h）	282.0	342.0	407.0	554.1	732.7	916.0	1131.0	1368.4
Qmax（m3/h）	42400	51300	61000	83121	108566	137404	169635	205258

3. Selection of electrode materials
The material of the electrode should be selected based on the corrosiveness of the fluid being tested. Please refer to the relevant manual. For special fluids, a corrosiveness test should be conducted

material	code	Corrosion Resistance
316Lstainless steel	V	1Suitable for neutral solutions such as industrial and domestic water, raw water and well water, urban sewage, etc 2Weakly corrosive acid, alkali, salt media such as carbonic acid, acetic acid, etc
Hastelloy alloyC	HC	1Suitable for oxidation resistant acids such as nitric acid, mixed acids, mixtures of chromic acid and sulfuric acid 2Corrosion resistance to oxidizing salts or other oxidizing agents in environments such asFe、Cu 3Excellent corrosion resistance to seawater, alkaline solutions, and oxide solutions 4Not applicable: Hydrochloric acid
Hastelloy alloyB	HB	1Has good corrosiveness to non oxidizing acids, bases, and salts such as sulfuric acid, phosphoric acid, and hydrofluoric acid 2Not applicable: nitric acid
titanium	Ti	Resistant to corrosion from seawater, various chlorides, hypochlorites, and various hydroxides
tantalum	Ta	Except for hydrofluoric acid, it can withstand corrosion from almost all chemical media. But the price is expensive
platinum	Pt	Suitable for all acid-base salt solutions (fuming sulfuric acid and nitric acid)
tungsten carbide	W	Featuring excellent wear resistance, specifically designed for abrasive media such as mud and pulp

4. Selection of lining materials
The lining material should be selected based on the corrosiveness, wear resistance, and temperature of the tested medium

Lining material	Corrosion Resistance	operation temperature	scope of application
chloroprene rubberNe	Corrosion resistance to general low concentration acid-base salts	-20～70℃	Industrial wastewater with low concentration of acid, alkali and salt
polyurethanePO	Has excellent wear resistance,Specially designed for highly abrasive slurries,Not resistant to corrosion	-10～60℃	solids-laden fluid(Cement slurry, slurry, etc)
FEPFEP	1Heat and corrosion resistancePTFEquite 2High mechanic strength,Good wear resistance 3Smooth inner surface, not easily adhered to sediment 4Has good resistance to negative pressure,Anti vacuum effect	-40～180℃	All fluids except for strong abrasive media such as mortar. givePTFEthe same,Can be used for media with hygiene requirements such as beverages
PTFEPTFE	Can resist corrosion from almost all chemical media,Poor wear resistance	-40～180℃	Cannot be used for negative pressure pipelines and fluids with strong wear and tear