Pre-charged bladder & diaphragm expansion tanks are commonly referred to as an Air Elimination System, see what types are available and how to install them.
Expansion Tank Sizing in Hydronic Systems: Air Elimination Systems
Expansion Tank Sizing and Compression Tanks Sizing in Hydronic Systems (Part 1): Take a Quiz, by R. L. Deppmann
Expansion Tanks for Cold & Hot Water Systems
HYDRONIC HEATING & CHILLED WATER PRODUCTS - Amtrol
Expansion & Compression Tanks in Hydronic Systems: Air Elimination System
Bell & Gossett Rolairtrol Air Separators
Top Reasons Relief Valves Discharge
Expansion Tank Sizing in Hydronic Systems: Air Elimination Systems
Expansion and Compression Tanks in Hydronic Systems (Part 3): Maximum Tank Pressure, by R. L. Deppmann
10 details for expansion tanks - HPAC Magazine
Expansion Tanks - Bob Vila