▸ Key Features:
• Automatic flow control valve for hydronic HVAC systems
• Maintains constant design flow regardless of pressure fluctuations
• Rated for 2.00 GPM as shown on the nameplate
• Cast-iron body with threaded end connections
• Dual test ports for differential pressure measurement and verification
• Suitable for chilled water, hot water, and general hydronic circuits
▸ Applications:
• HVAC system balancing for coils, risers, and branches
• Air handler and fan coil circuits
• Chilled water and hot water distribution loops
• Industrial and commercial hydronic flow stabilization
• System commissioning and maintenance verification
▸ Alternative Model Numbers:
3522-FA0
3522FAO (letter O variant)
3522-F-A0
Griswold 3500 Series Valve
Automatic Flow Limiter 3522FA0
▸ Common Misspellings or Phrasing:
3522FAD
3522FAO
3521FA0
Griswald 3522
Flow Control Valve 3522F
