介紹逆止閥(Check Valve) , 止回閥

輸送泵的出口，或者 兩條管路交會口 一般都要裝逆止閥

但這種閥門也有不同選擇，一般人大都不是很了解

這跟流量、壓降要求、物料特性、空間限制(例如只能放水平或垂直)等有關

這裡收集了 一些資料

Types of Check Valves

Depending on the movement of the closure member, various types of check valves are available.

• Swing Check Valve
• Wafer Check Valve
• Spring Loaded Check Valves
  • Spring Loaded Inline Valves
  • Spring Loaded Y
• Ball Check Valves
• Diaphragm check valves
• Lift check valve
• Stop check valve
• Foot Valve
• Duckbill Valve
• Dual Plate Check Valve

(see https://whatispiping.com/overview-of-check-valves?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A%20WhatIsPiping%20%28What%20is%20Piping%29)

https://www.youtube.com/watch?v=DsHNgwBRfC4

https://www.youtube.com/watch?v=psPXH4ibTyM

https://www.youtube.com/watch?v=dLEa8mwR0Qg

https://kknews.cc/home/3lo6gqo.html

https://kknews.cc/zh-tw/home/xvx5nko.html