Redacción

Bomba

Actualizaciones recientes de Borra que cubren la entrega de productos, aplicaciones técnicas e historias de proyectos del lado del mercado.

Pump Vibration Measurement: Build a Repeatable Route Before Diagnosing Faults
Borra Pumps

Pump Vibration Measurement: Build a Repeatable Route Before Diagnosing Faults

Pump vibration measurement is useful when the sensor location, direction, mounting method, instrument settings and operating condition are recorded consistently. A number taken from an arbitrary point on the casing cannot reliably identify a bearing defect or prove that a pump meets an acceptance standard. Establish an approved measurement route, collect a baseline at a known duty, and compare like with like before choosing corrective work. This guide covers planning and documenting measurements on industrial water-pump installations. It does not supply a...

Centrifugal Pump Impeller Trimming: When to Consider It and What to Verify
Borra Pumps

Centrifugal Pump Impeller Trimming: When to Consider It and What to Verify

Centrifugal pump impeller trimming is a manufacturer-controlled reduction of an impeller's outside diameter to change the pump's performance. It can be useful when an installed pump consistently provides more head than a reasonably stable duty requires. It is not a universal repair for poor performance, and it should not be specified from a guessed diameter ratio. Confirm the real system requirement, obtain a supplier-approved trimmed curve, and review efficiency, operating range, suction conditions, mechanical suitability, and the complete cost before authorising any...

Centrifugal Pump Runout: Diagnose Excess Flow and Low System Resistance
Borra Pumps

Centrifugal Pump Runout: Diagnose Excess Flow and Low System Resistance

Centrifugal pump runout describes operation toward the high-flow end of a pump curve, where the installation can push the pump beyond its approved operating range. It is different from mechanical shaft runout, which concerns geometric deviation of a rotating part. Diagnose hydraulic runout by measuring the actual flow, head, speed, and suction condition, then comparing the operating point with the correct manufacturer's curve and limits. A low discharge-pressure reading alone does not prove runout, and an apparently healthy motor current does not...

Dirección de rotación de la bomba centrífuga: Verifique antes de ponerla en funcionamiento
Borra Pumps

Dirección de rotación de la bomba centrífuga: Verifique antes de ponerla en funcionamiento

La dirección correcta de rotación de la bomba centrífuga es la indicada para el conjunto de bomba exacto, según el extremo de referencia indicado por el fabricante. Confirme la dirección de la flecha del alojamiento o del conjunto y el manual aprobado; no se debe asumir que todas las bombas giran en sentido horario. Una bomba que gira en sentido inverso puede aún así mover cierta cantidad de agua, por lo que el caudal de descarga por sí solo no prueba que se esté realizando una rotación correcta. La verificación debe realizarse siguiendo un procedimiento de puesta en marcha aprobado que proteja a las personas, mantenga la bomba dentro de los requisitos de funcionamiento y evite que la bomba se active automáticamente...