Industry News

Ventilating air before centrifugal pump startup essentially removes air trapped inside the pump casing and suction pipe to build an effective vacuum at the impeller centre and prevent pump damage caused by air binding. From the perspective of on‑site commissioning and operation & maintenance, this paper explains the causes of air binding, standard priming and air‑venting procedures, and troubleshooting points.

Most pump body ruptures stem from dead-heading (closed-valve pressure buildup), erroneous remote start-up, and failures of automatic interlocks. This article addresses manual, remote, and automatic start/stop scenarios to explain valve verification, operating procedures, and instrumentation interlock maintenance, thereby preventing centrifugal pump overpressure rupture incidents.

Low flow rate in centrifugal pumps? Understand the root causes of flow reduction, capacity‑expansion solutions and safety risks, and select appropriate methods to boost the capacity of industrial centrifugal pumps.

TEFFIKO, with over 20 years of experience in industrial pump R&D and manufacturing, has accumulated extensive practical project experience for high‑pressure feed‑water operating conditions. Below is a plain‑language explanation of the basic concepts and operating principles of boiler feed water pumps.

At chemical, electroplating, pharmaceutical and sewage treatment sites, pump failures seldom occur abruptly. They start with liquid seepage at seals, followed by impeller jamming by crystalline deposits, and later corrosion perforation of pump casings.

The mechanical seal face is the most vulnerable core component of centrifugal pumps. Subject to high temperatures, medium crystallization, environmental impurities and other factors, it is highly prone to failures such as abrasive leakage and thermal cracking. Seal‑face quenching is a critical protection process for water pumps. By injecting liquid or gas into the low‑pressure seal face, it achieves rapid cooling, impurity isolation, debris removal and containment of leaked media. It constitutes an indispensable operation‑and‑maintenance measure under special working conditions. Teffiko has long been dedicated to centrifugal‑pump mechanical‑seal solutions. This article concisely outlines the core scenarios and application specifications for activating face quenching, catering to daily equipment operation and maintenance requirements.