Jiangsu Syeelai Environmental Technology Co., Ltd.

Skid-mounted Dosing Unit

To meet market demand and provide convenience for our customers, our dosing units are developed specifically for the production automation requirements of industries such as petroleum, chemical engineering, oil refining, natural gas, water supply, thermal power, pharmaceuticals, and food. By introducing advanced processes and production technologies from the United States, Germany, and Japan, we strictly follow technical specifications and integrate local practical conditions to produce these complete systems. Our units are characterized by their highly integrated nature, advanced technology, and high degree of automation. They are easy to operate and maintain, meeting the requirements of various working conditions. We can also design and manufacture non-standard products based on specific user requirements.

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  • Skid-mounted Dosing Unit

Application Fields
Boiler Water Dosing: Dosing of ammonia, hydrazine, and phosphates into feed water.
Circulating Water Dosing: Dosing of scale inhibitors, corrosion inhibitors, biocides, concentrated sulfuric acid, lye, etc.
Wastewater and Sewage Treatment Dosing: Dosing of PAC (Polyaluminum Chloride), PAM (Polyacrylamide), etc.
Raw Water Dosing: Dosing of flocculants, coagulant aids, acids, alkalis, etc.
Oil and Gas Field Chemical Additive Dosing: Dosing of ethylene glycol, corrosion inhibitors, etc.
Pharmaceuticals & Agriculture: Dosing of glucose, gibberellin, etc.



Device Definition
A complete system that integrates metering pumps, solution tanks, agitators, level gauges, electrical control cabinets, pulsation dampers, safety valves, filters, flow meters, calibration columns, various valves, and piping systems onto a common base. It is designed to achieve the precise injection of various chemical agents into a system.



Serial No. Name Specification Model Quantity Remarks
1 Solution Tank V=1.0m³ 1 Set Stirring motor power: 0.75KW
2 Dosing Metering Pump RB120S024D1MNN 2 Sets Motor power: 0.75KW

Serial No. Nozzle Name Specification Model Quantity Flange Standard
N1 Water Inlet DN25, PN1.6MPa 1 Pc. GB/T9124.1-2019
N2 Drain Outlet DN25, PN1.6MPa 1 Pc. GB/T9124.1-2019
N3 Chemical Outlet DN25, PN2.5MPa 1 Pc. GB/T9124.1-2019
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About Us
Powering Global Industry with Precision Fluid Technology
SYEELAI specializes in corrosion-resistant fluid transfer solutions, professionally manufacturing a series of acid and alkali resistant pumps including liquid mixers, metering pumps, magnetic drive pumps, and vertical pumps. The company also undertakes custom fabrication of non-standard chemical filtration systems and provides professional design, installation, and commissioning services for chemical dosing equipment.
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