غرفة الأخبار

مضخة

آخر التحديثات من بورا تغطي تسليم المنتجات، التطبيقات التقنية، وقصص المشاريع في السوق.

Pump Vibration Measurement: Build a Repeatable Route Before Diagnosing Faults
مضخات بورا

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
مضخات بورا

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
مضخات بورا

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...

اتجاه دوران المضخة الطاردة: التحقق من ذلك قبل التشغيل
مضخات بورا

اتجاه دوران المضخة الطاردة: التحقق من ذلك قبل التشغيل

اتجاه دوران المضخة الطاردة الصحيح هو الاتجاه المحدد لتركيب المضخة المحدد بدقة، وذلك من الوجهة المرجعية التي حددها المورد. تأكد من توجيه السهم على الغلاف أو التركيب والتعليمات المعتمدة؛ فلا يُفترض أن كل مضخة تدور باتجاه عقارب الساعة. قد يظل المزيج الذي تدور عكسًا يمتص بعض الماء، لذا لا يُعتبر تدفق التفريغ وحده مؤشراً على دوران صحيح. يجب اتباع إجراءات التشغيل المعتمدة لحماية الأشخاص، والحفاظ على المضخة ضمن متطلبات التشغيل، ومنع تشغيلها تلقائيًا...