AS ONE水流ポンプ―構造と原理から詰まりトラブル解決まで
From Venturi Basics to Hands-On Fix: Understanding and Maintaining the AS ONE Water-Jet Vacuum Pump
Abstract: The AS ONE 1-689-04 water-jet aspirator is a compact, PTFE-lined Venturi pump widely used in undergraduate chemistry labs for routine suction filtration and degassing. This article walks students through its architecture, explains how the Venturi effect converts tap-water pressure into vacuum, and pinpoints the three locations most prone to cl…
