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Nouvelles et Projets en Cours

Mises à jour récentes de Borra couvrant la livraison de produits, les applications techniques et les histoires de projets du côté du marché.

Installation de la pompe en ligne : support et alignement des tuyaux
Borra Pompes

Installation de la pompe en ligne : support et alignement des tuyaux

Inline pump installation needs a documented support arrangement, freely mating pipe connections, model-specific alignment checks and a measured commissioning record. Do not use flange bolts to pull a pipe into position or assume the pump casing can carry the pipework. Confirm the selected pump's approved orientation and mounting instructions before building supports. Isolate electrical and hydraulic energy before inspection or adjustment. The installation sequence below helps a project team plan and verify the work; final clearances, allowable nozzle loads, tightening values and...

Vertical Inline vs Horizontal Inline Pump
Borra Pompes

Vertical Inline vs Horizontal Inline Pump

A vertical vs horizontal inline pump comparison should start with the required flow and head, then examine available space, pipe loads, lifting access and maintenance needs. A vertical motor can reduce the floor footprint, but it needs adequate overhead clearance. A horizontal assembly spreads its motor and casing along the floor and needs room beside the equipment. Neither orientation automatically guarantees better efficiency or reliability. Compare verified curves for the actual liquid, speed and configuration, and obtain the installation drawing before deciding...

Centrifugal Pump Impeller Types and Applications
Borra Pompes

Centrifugal Pump Impeller Types and Applications

Centrifugal pump impeller types describe several different features of a pump's rotating hydraulic component. Open, semi-open and closed usually describe the presence of shrouds around the vanes; radial, mixed-flow and axial describe the main flow direction. These classifications answer different questions and should not be treated as a single list of interchangeable options. For water transfer, choose an impeller through the complete pump's verified curve, liquid compatibility, solids handling and maintenance requirements. An exterior product photograph cannot confirm the internal design. This...

Cavitation de la pompe centrifuge : symptômes, causes et prévention
Borra Pompes

Cavitation de la pompe centrifuge : symptômes, causes et prévention

Centrifugal pump cavitation occurs when local liquid pressure falls low enough for vapor bubbles to form, then those bubbles collapse as pressure recovers. The result can be rough noise, vibration, unstable flow and damage to wetted surfaces. Preventing it requires a review of the actual suction conditions and operating point, rather than simply replacing a noisy pump. For a water-transfer installation, start with liquid level, temperature, inlet restrictions, measured duty and the manufacturer's suction requirements. This guide explains how to separate likely...

Centrifugal Pump Bearing Failure: Causes and Prevention
Borra Pompes

Centrifugal Pump Bearing Failure: Causes and Prevention

Centrifugal pump bearing failure should be investigated as a failure of the supported rotating system, not solved automatically by fitting another bearing. First determine whether the affected bearing belongs to the pump or the motor, then preserve the operating history and failed parts. Review lubrication, contamination, loading, alignment, installation and the hydraulic duty. Noise, heat or vibration can identify a concern but do not by themselves prove a particular cause. Use the actual bearing arrangement and manufacturer procedure to decide what to...

Centrifugal Pump Minimum Flow: Why It Matters
Borra Pompes

Centrifugal Pump Minimum Flow: Why It Matters

Centrifugal pump minimum flow is the lower operating limit specified for the actual pump and service conditions. It matters because a pump can remain running while operating in a condition that creates excessive heating, unstable hydraulic behavior or damaging mechanical loads. Minimum thermal flow and minimum continuous stable flow address different concerns and should not be assumed identical. Obtain the limits for the supplied configuration, then check every operating case against them. A bypass, a control strategy or a smaller pump must...