Jiangsu Haifa Machinery Manufacturing Co., Ltd.

Sodium carbonate (Na₂CO₃) solution is widely used in industries such as chemicals, glass, papermaking, environmental protection, water treatment and new energy. It typically exhibits certain alkalinity and a tendency to crystallize. Depending on concentration, temperature, and impurity content, the requirements for chemical pump material selection, sealing structure, and operational stability vary significantly. Therefore, in the process of transporting sodium carbonate solution, the proper selection of Haifa chemical pumps is crucial for ensuring long-term stable system operation.

Under normal temperature and low-concentration sodium carbonate solution conditions, 304 and 304L stainless steel can generally meet corrosion resistance requirements are suitable for ordinary conveying systems. However, in high-concentration, high-temperature, or impurity-rich conditions, it is recommended to prioritize corrosion-resistant materials such as 316L and 2205 duplex stainless steel to enhance equipment service life and pitting resistance. If the medium contains high levels of chloride ions, special attention should be paid to chloride ion corrosion and higher-grade corrosion-resistant materials may be selected when necessary.

Since sodium carbonate solution is prone to crystallization under certain conditions, especially during pump shutdown, low flow rates, or low temperatures, crystal deposits can easily form in the mechanical seal chamber, impeller, and dead corners of the pipeline. Therefore, the structural design of the pump is particularly important. For crystallization-prone conditions, a large-flow-channel impeller structure can be adopted, along with appropriate flushing or insulation measures to reduce the risk of crystallization blockage. In some cases, magnetic drive pumps can also be used to mechanical seal leakage and maintenance issues.

In terms of pump type selection, Haifa OH2 chemical centrifugal pumps magnetic pumps, or vertical sump pumps are typically used for medium- and low-pressure conditions. If the sodium carbonate slurry contains a high amount of particles or sediment, wear-resistant slurry pumps or semi-open impeller structures may be considered. For continuous operation systems, special attention should be paid to pump efficiency, bearing stability, and seal life to reduce energy consumption and maintenance costs. Overall, although sodium carbonate solution is not an extremely corrosive medium for chemical pumps, its crystallization tendency and long-term operational stability requirements are relatively high. In the future, the development of the chemical and new energy industries, intelligent chemical pumps with high efficiency, corrosion resistance, and low maintenance will be more widely applied in sodium carbonate transportation.

Jsu Haifa Machinery Manufacturing Co., Ltd was restructured from Jiangsu Ligong Group Co., Ltd., which was established in 1958, and the Jingjiang Stainless Steel Pump Valve Plant of the Iron and Steel Research Institute of the Ministry of Metallurgical Industry The company mainly produces API610 chemical process pumps - OH1 pumps, OH2 pumps, OH3 pumps, OH4 pumps, BB1 pumps, BB2 pumps, BB3, BB4, BB5 multistage pumps,1, VS4, VS5, VS6 barrel pumps, HES chemical process pumps, chemical pumps, petrochemical pumps, sixth-generation ultra-low carbon stainless steel high-quality leak-proof molten urea pumps, urea hydrolyzer feed pumps, high-temperature asphalt pumps, pitot tube pumps, rotary jet pumps, molten salt pumps, vertical sump pumps, magnetic pumps, low-temperature liquid hydrogen and methanol pumps, high-pressure liquid hydrogen pumps, high-temperature nitric acid magnetic drive pumps, magnetic pumps for conveying solid-containing media, industrial pumps, canned motor pumps, slurry pumps, titanium tetrachloride pumps, self-priming pumps, lined fluorine pumps, clamped lined fluorine pumps, leak-proof pumps, desulfurization and denitrification pumps, pumps, pumps, geothermal pumps, oil pumps, axial flow pumps, printing and dyeing pumps, dyeing and finishing pumps, Ti alloy pumps, C-276 material, Hastelloy, 316L, forced circulation pumps, fourth-generation nuclear pumps, nuclear island pumps, special pumps for filter presses, refrigerant pumps, long-shaft vertical sump pumps, CQC first-level energy efficiency chemical pumps, high-pressure descaling industrial pumps, and Chinese chemical pumps. www.jslgpump.com  Tel: 13905263417  E-mail: jslgpump@gmail.com  E-mail: jsareva@163.com