What Size Pipe Should You Use for 10 GPM?
水の流れと水圧:実演
サイズは本当に重要ですか? - 給水管の流量
FLOW vs PRESSURE
GPM (Gallons per Minute) and Your Irrigation System
Flow and Pressure in Pipes Explained
Sprinkler System Design - How Many Heads on a Line?
Flow rate calculation from given line size
Calculate Water Flow For A Sprinkler System - Gallons Per Minute
Pipe Size Matters - How to Read Irrigation Friction Loss Charts
How to Size an Irrigation Mainline (Step-by-Step DIY Guide)
Pressure (PSI) and gallons per minute (GPM)
1 つのゾーンにスプリンクラーをいくつ設置できますか?
How to Calculate Flow Rates and Volume for Water Wells
How Much Flowrate Does My Water Well Need for my House?
Comparing different pressure washers. 7.5L/min vs 14L/min vs 30L/min. (2 GPM vs 4GPM vs 8 GPM)
How Much WATER Flows?!?
流量計の説明
Water pressure, flow, and pipe size - 2
How To Test GPM Flow At An Outside Tap Quick & Easy | Measure Flow Rate of Any Tap