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Foshan Casting Water Treatment Flow Meter
Product Overview SP-LDE Series Cast Water Treatment Flowmeters are based on Faraday's law of electromagnetic induction. When a conductor moves in a ma
Product details

一体式电磁流量计.jpg
Product Overview

SP-LDE series cast water treatment flowmeterBased on Faraday's law of electromagnetic induction, when a conductor moves in a magnetic field, an induced electromotive force is generated at both ends of the conductor perpendicular to the direction of the magnetic field and the direction of the conductor's motion. The magnitude of the electromotive force is proportional to the speed of the conductor's motion and the magnetic induction intensity of the magnetic field. Widely used in production processes such as petrochemicals, steel metallurgy, water supply and drainage, irrigation, water treatment, environmental wastewater control, papermaking, pharmaceuticals, food, etc. for flow measurement and control.
Product Features
1. All digital processing, strong anti-interference ability, reliable measurement, high accuracy, and a flow measurement range of up to 150:1;
2. Ultra low EMI switching power supply, suitable for a wide range of power supply voltage changes, with good EMI resistance performance;
3. Adopting a 16 bit embedded microprocessor, it has fast computing speed and high accuracy,
4. Using SMD devices and surface mount (SMT) technology, the circuit has high reliability;
5. There are no movable parts or flow blocking components in the pipeline, and there is almost no additional pressure loss during measurement;
6. On site, the range can be modified online according to the actual needs of the user;
7. The measurement results are independent of physical parameters such as flow velocity distribution, fluid pressure, temperature, density, viscosity, etc;
8. High definition backlit LCD display, fully Chinese menu operation, easy to use, simple to operate, easy to learn and understand;
9Capable of outputting digital communication signals such as RS485, RS232, Hart, and Modbus(Optional)
10. Equipped with self checking and self diagnostic functions;
11. Hourly total volume recording function, which records the total flow volume in hours and is suitable for time-sharing measurement system (optional);
12. There are three integrators inside that can display the forward cumulative amount, reverse cumulative amount, and differential cumulative amount respectively. There is also a non power down clock inside that can record 16 power down times. (Optional);
13. Infrared handheld operator, 115KHZ communication speed, all functions of long-distance non-contact operation converter (optional).
application area

Due to its unique advantages, electromagnetic flowmeters are widely used in various industrial fields such as chemical fiber, food, papermaking, sugar production, mining and metallurgy, water supply and drainage, environmental protection, water conservancy and hydraulic engineering, steel, petroleum, pharmaceuticals, etc. They are used to measure the volume flow rate of conductive liquid media such as acids, alkalis, salt solutions, slurries, pulp, coal water slurry, corn slurry, fiber slurry, grain slurry, lime milk, sewage, cooling raw water, water supply and drainage, saltwater, hydrogen peroxide, beer, wort, various beverages, black liquor, green liquid, etc.
Casting water treatment flowmeterPerformance Table of Electrode Materials

Electrode material Main performance and scope of application
Molybdenum containing stainless steel
(0Cr18Ni12Mo2Ti)
Used for industrial water, domestic water, sewage, weakly corrosive media, widely used in industries such as petroleum, chemical, urea, and vinylon.
Hastelloy B
(HB)
It has good corrosion resistance to all concentrations of hydrochloric acid below boiling point, as well as to non oxidizing acids, bases, and salt solutions such as sulfuric acid, phosphoric acid, hydrofluoric acid, and organic acids.
Hastelloy C
(HC)
Capable of withstanding corrosion from oxidizing acids such as nitric acid, mixed acids, or mixed media of chromic acid and sulfuric acid, as well as corrosion from oxidizing salts such as FE++, Cu++, or other oxidizing agents. Corrosion of seawater by solutions of hypochlorite above room temperature.
Titanium
(Ti)
Capable of withstanding corrosion from organic acids, alkalis, etc., but not resistant to corrosion from relatively pure reducing acids such as sulfuric acid and hydrochloric acid. But if the acid contains oxidants (such as nitric acid, FE+++, Cu++), corrosion is greatly reduced.
Tantalum
(Ta)
It has excellent wear and corrosion resistance, similar to glass, and can withstand almost all chemical media (including hydrochloric acid, sulfuric acid, and aqua regia) except hydrofluoric acid, fuming sulfuric acid, and alkali.
Stainless steel coated with tungsten carbide Used for non corrosive and highly abrasive media.
Platinum iridium alloy Suitable for almost all chemical substances, but not for aqua regia and ammonium salts.

Casting water treatment flowmeterPerformance Table of Lining Materials

Lining material Main performance Maximum medium temperature Scope of application
Chloroprene rubber
(Neoprene)
1. It has excellent elasticity, high tensile strength, and good wear resistance;
2. Resistant to corrosion in general low concentration acid, alkali, and salt media, but not resistant to corrosion in oxidizing media
80℃
(Special orders can choose 120 ℃)
Water, sewage, weakly abrasive mud, and mineral slurry.
Polytetrafluoroethylene
(PTFE)
1. It can resist almost all chemical media, withstand boiling hydrochloric acid, sulfuric acid, nitric acid, and aqua regia, as well as concentrated alkali and various organic solvents.
2. The corrosion resistance is not as good as polyurethane rubber;
3. Its ability to resist negative pressure is not as good as chloroprene rubber.
100℃
(Special orders can choose 150 ℃)
Strong corrosive media such as concentrated acid and alkali;
Sanitary media.
Perfluoroethylene propylene
(F46)
1. The corrosion resistance is slightly lower than that of polytetrafluoroethylene,
Other chemical properties are basically the same;
2. Higher anti negative pressure ability than polytetrafluoroethylene
100℃
(Special orders can choose 150 ℃)
Strong corrosive media such as concentrated acid and alkali;
Sanitary media.
Polyurethane rubber
(Polyurethane)
1. Has excellent wear resistance;
2. Poor acid and alkali corrosion resistance.
70℃ Neutral and strongly worn mineral slurry, coal slurry, and mud.


Caliber, Flow Rate - Flow Comparison Table

Flow rate and velocity
m3/h m/s

Diameter mm
0.01 1 2 3 4 5 10 15
10 0.0028 0.2827 0.5655 0.8482 1.1310 1.4137 2.8274 4.2412
15 0.0064 0.6362 1.2723 1.9085 2.5447 3.1809 6.3617 9.5426
20 0.0113 1.1310 2.2619 3.3929 4.5239 5.6549 11.3097 16.9646
25 0.0177 1.7671 3.5343 5.3014 7.0686 8.8357 17.6715 26.5072
40 0.0452 4.5329 9.0478 13.5717 18.0956 22.6195 45.2389 67.8584
50 0.0707 7.0686 14.1372 21.2058 28.2743 35.3429 70.6858 106.029
65 0.1195 11.946 23.8918 35.8377 47.7836 59.7295 119.459 179.189
80 0.1810 18.0956 36.1911 54.2867 72.3823 90.4779 180.956 271.434
100 0.2827 28.274 56.5487 84.8230 113.0973 141.372 282.743 424.115
150 0.6362 63.617 127.235 190.852 254.4690 318.086 636.173 954.259
200 1.1310 113.097 226.195 339.232 452.3893 565.487 1130.973 1696.460
250 1.7671 176.715 353.429 530.144 760.8583 883.573 1767.146 2650.719
300 2.5447 254.469 508.938 763.407 1017.876 1272.345 2544.690 3817.035
350 3.4636 346.361 692.721 1039.082 1385.442 1731.803 3463.606 5195.409
400 4.5239 452.389 904.779 1357.168 1809.557 2261.947 4523.893 6785.840
450 5.7256 572.555 1145.111 1717.666 2290.221 2862.776 5725.553 8588.329
500 7.6086 706.858 1413.717 2120.575 2827.433 3534.292 7068.584 10602.88
600 10.079 1017.876 2035.752 3053.628 4071.504 5089.380 10178.76 15168.14
700 13.854 1385.442 2770.885 4156.327 5541.769 6927.212 13854.42 20781.64
800 18.096 1809.557 3619.115 5428.672 7238.230 9047.787 18905.57 27143.36
900 22.902 2290.221 4580.442 6870.663 9160.884 11451.11 22902.21 34353.32
1000 28.274 2827.433 5654.867 8482.300 11309.73 14137.17 28274.33 42411.50
1200 40.715 4071.504 8143.008 12214.51 16286.02 20357.52 40715.04 61072.56
1400 55.418 5541.769 11083.54 16625.31 22167.08 27708.85 55417.69 83126.54
1600 72.382 7238.230 14476.46 21714.69 28952.92 36191.15 72382.30 108573.4
1800 91.609 9160.884 18321.77 27482.65 36643.54 45804.42 91608.84 137413.3
2000 113.10 11309.73 22619.47 33929.20 45238.93 56548.67 113097.3 169646.0
Product spectrum of cast water treatment flowmeter
model caliber
SP-LDE 15~2600
code Electrode material
K1 316L
K2 HB
K3 HC
K4 titanium
K5 tantalum
K6 platinum alloy
K7 Stainless steel coated with tungsten carbide
code Lining material
C1 Polytetrafluoroethylene (F4)
C2 Perfluoroethylene propylene (F46)
C3 Polyfluoroethylene (FS)
C4 Polyvinyl rubber
C5 polyurethane rubber
code function
E1 Level 0.3
E2 Level 0.5
E3 Level 1
F1 4-20Madc, Load ≤ 750 Ω
F2 0-3kHz, 5V active, variable pulse width, output high-end effective frequency
F3 RS485 interface
T1 Normal temperature type
T2 High temperature type
T3 Ultra high temperature type
P1 1.0MPa
P2 1.6MPa
P3 4.0MPa
P4 16MPa
D1 220VAC±10%
D2 24VDC±10%
J1 Integrated structure
J2 Split type structure
J3 Explosion proof integrated structure

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