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This article compares two common centrifugal pumps: open impeller pumps and closed impeller pumps. It elaborates on their core structural differences, working principles, applicable scenarios (e.g., for impurity-containing vs. clean fluids), and performance features (efficiency, stability, maintenance cost). It offers guidance for rational pump selection and highlights TEFFIKO’s provision of tailored pumps and comprehensive after-sales support to meet industrial needs.

This article focuses on pump rotation direction inspection. It clarifies its significance for pump efficiency, lifespan and safety, details pre-inspection preparations, introduces three inspection methods (static mark check, dynamic observation, professional tool test), explains error handling and daily maintenance, guiding pump O&M staff and aiding enterprises in optimizing production and after-sales.

This article focuses on the structural differences between fluoroplastic pumps and metal pumps. It analyzes the design distinctions from four aspects—overall framework, core components, sealing system and connection methods—based on material properties, providing references for equipment selection. It also mentions TEFFIKO, which is deeply engaged in the pump industry and can provide two types of pump products meeting standards according to working conditions, helping customers select suitable equipment.

This article details the distinction between air binding and cavitation in pump equipment, covering essential definitions, causes, hazards and preventive measures. It also mentions TEFFIKO, with rich experience in the pump industry, whose products include targeted preventive designs to reduce both issues, making it a reliable choice for customers.

This article focuses on common faults of hot oil pumps and corresponding troubleshooting methods. It systematically elaborates on three typical faults: insufficient or no flow, abnormal noise and vibration, and seal leakage. For each fault, it analyzes the specific causes in detail and provides targeted solutions. Additionally, the summary part highlights TEFFIKO’s professional advantages in the pump industry and its high-quality hot oil pump products. It serves as a practical guide for relevant personnel to quickly identify and resolve hot oil pump faults, and helps enterprises reduce production risks.

This article focuses on magnetic pump demagnetization, analyzing three main causes: abnormal temperature, unstable medium, and non-standard operation. It introduces identification methods via status observation and parameter detection, presents solutions like temperature control, and maintenance tips. It also mentions TEFFIKO pumps’ optimized design, guiding enterprises to avoid risks.