Seawater Pump Material Selection Guide
Choose the right materials for seawater pumps based on corrosion resistance, operating conditions, and service life. Covers duplex stainless, bronze, titanium, and selection criteria.
اختيار المضخات والحسابات
What Is Pump Specific Speed and How Is It Used?
Pump specific speed defines impeller geometry and predicts performance. Learn the formula, calculation method, and how to use Ns for pump selection and troubleshooting.
What Is Pump Shut-Off Head and Why Does It Matter?
Pump shut-off head is the maximum head a centrifugal pump develops at zero flow. Learn how to find it on pump curves, size instruments correctly, and avoid system design errors.
Pump Runout Condition: Causes, Risks and Prevention
Pump runout occurs when flow exceeds design maximum, overloading the motor and damaging mechanical components. Learn causes, detection methods, and protection strategies.
Pump Duty Point Explained: Flow, Head and Operating Conditions
Learn how to locate the pump duty point where system requirements meet pump capability. Understand the intersection of pump and system curves for proper pump selection.
Pump Affinity Laws: Flow, Head and Power Calculations
Calculate centrifugal pump performance changes with speed and diameter using the three affinity laws. Includes worked examples, VFD energy savings, motor overload checks, and accuracy limits.
Primary-Secondary Pumping Systems Explained
Learn how primary-secondary pumping systems decouple production and distribution loops through hydraulic separation, when to specify them over variable primary flow, and key design rules for HVAC and process applications.
How to Size a Pressure Tank for a Booster Pump
Learn the calculation method, pressure settings, and drawdown formulas needed to size a pressure tank for a booster pump system in commercial and industrial applications.
Minimum Flow for Centrifugal Pumps: Limits and Protection
Learn how to calculate minimum flow for centrifugal pumps using thermal and mechanical limits. Includes API 610 standards, protection device selection, and sizing procedures.
التحكم في المضخة بنظام التقدم والتأخر: التشغيل والتسلسل
يعمل نظام التحكم في المضخة بنمط «الرائد-المتأخر» على التناوب بين فترات تشغيل المضخة لتحقيق التوازن في التآكل مع الحفاظ على ضغط النظام. تعرف على منطق التسلسل، واعتبارات البرمجة، وفحوصات التشغيل.