Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Vacuum Check Valve: Description and Operation
Vacuum Check Valve:
PURPOSE A vacuum check valve blocks airflow in one direction. It allows free air flow in the other direction. The check side of the valve will hold the highest vacuum seen on the vacuun side.
