Installation requirements for chemical process pumps

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1. It must meet the requirements of process parameters such as flow rate, head, pressure, temperature, and net positive suction head. 2. When determining the model and manufacturer of a chemical pump, factors such as the pump’s performance, energy consumption, reliability, and manufacturing standards should be taken into consideration. 3. The requirements regarding the properties of the medium must be met: ①. For chemical pumps used to transport flammable, explosive, toxic, or valuable media, it is necessary to have reliable shaft seals or to use leak-free pumps, such as magnetically driven pumps. ②For chemical pumps used to transport corrosive media, it is required that the flow-through components be made of corrosion-resistant materials. ③For chemical pumps used to transport media containing solid particles, it is required that the flow-through components be made of wear-resistant materials; where necessary, the shaft seals should be flushed with a clean liquid. 4. The on-site installation requirements must be met. ①For chemical pumps installed in environments with corrosive gases, measures to prevent atmospheric corrosion are required. ②For chemical pumps installed in outdoor environments where the temperature is below -20°C, it is necessary to take into account the problem of cold brittleness in such pumps and use materials resistant to low temperatures. ③. For chemical pumps installed in explosive areas. Explosion-proof motors should be used according to the explosion hazard zone classification. 5. For plants that require an annual major overhaul, the continuous operation cycle of chemical pumps should generally not be less than 8,000 hours. To meet the requirements of the three-year major maintenance cycle, APl610 (Version 8) stipulates that the continuous operation period for pumps used in the petroleum, petrochemical, and gas industries should be at least 3 years.