What is the term for the total pressure available at the pump suction flange?

Prepare for the NFPA 20 Fire Pump Certification Exam. Study with quizzes featuring flashcards and multiple-choice questions, complete with explanations. Excel in your certification journey!

Multiple Choice

What is the term for the total pressure available at the pump suction flange?

Explanation:
The concept here is the pressure available on the pump’s inlet. The term for that condition at the suction flange is suction pressure—the total pressure present on the suction side that drives fluid into the pump. This is different from discharge pressure (the pressure on the outlet side), from rated pressure (the manufacturer’s specification), and from net pressure (which implies a derived or different measure such as the head added or a pressure difference). So suction pressure best describes the pressure the pump can draw from at its suction flange.

The concept here is the pressure available on the pump’s inlet. The term for that condition at the suction flange is suction pressure—the total pressure present on the suction side that drives fluid into the pump. This is different from discharge pressure (the pressure on the outlet side), from rated pressure (the manufacturer’s specification), and from net pressure (which implies a derived or different measure such as the head added or a pressure difference). So suction pressure best describes the pressure the pump can draw from at its suction flange.

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