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.
ポンプの選定と計算
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.
ポンプの振れ：原因、リスク、および防止策
ポンプのランアウトは、流量が設計上の最大値を超え、モーターに過負荷がかかり、機械部品が損傷した際に発生します。その原因、検知方法、および保護対策について学びましょう。.
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.
ポンプの相似則：流量、揚程、出力の計算
3つの相似則を用いて、遠心ポンプの性能が回転数や口径の変化に応じてどのように変化するかを計算します。解説付き例題、VFDによる省エネ効果、モーターの過負荷チェック、および精度の限界についても解説しています。.
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.
リード・ラグ式ポンプ制御：動作とシーケンス
リード・ラグ方式のポンプ制御では、システム圧力を維持しつつ、ポンプの稼働時間を交互に切り替えることで、摩耗のバランスを図ります。シーケンスロジック、プログラミング上の留意点、および試運転時の確認事項について学びましょう。.