Morrison Bros. 9095AA Series 3 in. Overfill Prevention Valves

The 9095AA Series 3 in Overfill Prevention Valves are designed to prevent the overfilling of liquid storage tanks by providing a positive shut-off during a pressurized fill.

Features

• Installs on tank top by threading onto a 6 in male NPT riser
• Direct fill adaptor has 3 in male quick disconnect
• Remote adaptor has 3 in female NPT inlet threads for piping to remote fill point
• 1.23 inches of float height adjustment
• Integrated bleed hole prevents siphoning through the valve
• Immediate and cushioned shutoff eliminates line shock
• Full flow up to within seconds of valve closure
• Drop tube adaptor accepts 3 in drop fill tubes (Morrison 419)

Construction

• Quick disconnect adaptor: Passivated aluminum
• Remove adaptor: E-coated ductile iron
• Shaft, linkage, and hardware: Stainless steel
• Lower pipe nipple: E-coated steel
• Drop tube adaptor: Passivated aluminum

Specifications

• Minimum 5 PSI flow requirements
• Maximum operating pressure is 100 PSI
• Maximum viscosity of 300 centistokes
• A tight fill connection is required for the valve to operate
• The estimated flow rate is 560 GPM at 10 PSI pressure drop (See flow curve)

Code Compliance

• NFPA 30
• 30A
• UFC
• BOCA
• SBCCI/SFC
• PEI RP200

Downloads

Specifications Sheet (PDF Download)

Installation Instructions (PDF Download)