AST Overfill Prevention Valve

Features:

• Cylindrical float design eliminates interference with tank walls and cross braces. 
• 100 psi working pressure rating. 
• Flow rate 200 gpm at 20 psi. 
• No minimum flow rate. 
• Ships complete with upper nipple and tight fill adapter with crossbar to prevent open fills. 
• Simply thread onto a 4″ riser pipe to install. Length of upper tube determines shut-off point.