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Dosing in heating plant with heavy fuel oil boilers

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Heating plants with heavy fuel oil boilers must reduce emissions to protect the environment. Just the right amount of additives are dosed to the burners via a control signal from online measurements to keep the emission values within legal limits and thus minimise them. This is achieved with the aid of dosing pumps, which dose the additives from the supply tanks in a controlled fashion.

A ring circuit fed by upstream dosing pumps maintains the optimal function of the solenoid dosing pumps on the boilers. The dosing of the additives is controlled in accordance with the burner load and transmitted to the Jesco dosing pumps via a 4...20 mA analogue signal. The installation of pulsation dampeners as dosing pump accessories ensures smooth and consistent dosing, which contributes to the longevity of the system.

Suitable products for your application

electric
Complete set
Pump set - concentrated acids and alkalis
for highly chemical liquids and salts
Description: The pump set is suitable for corrosive, aqueous to slightly viscous media. Perfect for removing or transferring concentrated acids and alkalis. Examples of media: Chloric acid, chromic acid, sulphuric acid, nitric acid, hydrofluoric acid and sodium hypochlorite etc. Pump tubes equipped with Lutz original handwheel Properties & advantages Optionally with electric or compressed air drive No lubricants and therefore no contamination of the pumped liquid by lubricants Optimised drum emptying Universally resistant PTFE shaft bearing Maintenance without special tools Sealing modules of the sealless (DL) Pump can be replaced
MAGDOS LP
Description:Simple to use and space-saving MAGDOS LP is available in seven power ranges. Double-ball valves ensure accurate dosing. The dosing power can be adapted by varying the stroke frequency manually, via an external control contact or using a 0/4 – 20 mA signal. The MAGDOS LP is also available with an optional Ethernet interface. This network connection enables you to control the stroke frequency and the number of strokes. In addition, all error messages can be transmitted in the opposite direction.Features & advantages: Capacity range from 0.09 to 4.00 gph, max. back pressure 232 psig Wide - range power supply unit 110 – 240 V, 50/60 Hz, IP65 Dosing head ventilation (plastic version) Suitable for wall and floor mounting Material finishes PVC, PP, PVDF and stainless steel Stroke frequency can be precisely adjusted via the keyboard Graphic display with multi-language menu Analogue input and pulse input (increase and reduction) Level input with early warning and main alarm Release input for external start/stop Supply amount displayed in various units Maximum delivery rate can be limited Energy-saving "Eco-mode" is available Stroke feedback output Alarm relay output Batch dosing with interval and timer functions Dosing control input Diaphragm failure input for leak monitoring Ethernet interface (optional) CSA and UL certified MAGDOS LP 0512461015 Delivery capacity at max. pressuregph 0.090.200.500.891.642.403.43 ml/stroke 0.050.20.310.570.830.86 Max. pressurepsig 2321168743 Delivery capacity at average pressuregph 0.140.290.611.001.802.644.00 ml/stroke 0.080.070.240.350.630.921 Average pressurepsig 116584314 Nominal stroke frequencyRPM 120250160180250 Suction lift for non-gassing mediamWS 532 Max. supply / inlet pressurepsig 11 Diameter of diaphragmin 0.9441.2991.535 Valve size DN3DN4 Voltage supply 110 – 240 V, -10 % / +5 %, 50/60 Hz Power consumptionW 10152127282926 Protection class IP65 (with covering caps on the connections) Insulation class F Material PVC, PP, PVDF, 1.4571 WeightPVC, PP, PVDFlb ~ 7 Stainless Steel ~ 9.5 Ambient temperature range°F Stainless Steel/PVDF 41° - 113° (41° - 104° with PVC parts) Max. temperature of the medium°F Stainless Steel/PVDF 176° (with PVC parts 95°; with PP parts 140°) Downloadshttps://www.lutzjescoamerica.com/fileadmin/data/dokumente/pg1/LJ-MAGDOS_LK_LP-EN-BA.pdfhttps://www.lutzjescoamerica.com/fileadmin/data/data_usa/documents/pg1/Spec_Sheet-MAGDOS_LP.pdfhttps://www.lutzjescoamerica.com/fileadmin/data/data_usa/documents/pg1/Spec_Sheet-MAGDOS_LP-Spanish.pdf
Your contact person
Lutz-JESCO America Corp.
Do you have questions about dosing pumps, disinfection systems, chlorine dosing systems, system and process technology or measurement and control technology?
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