The Zurn 4-F49 Fire Butterfly Valve provides a slow opening anti-waterhammer adjustment to control waterflow. An integral supervisory tamper switch provides a fire alarm control signal when the valve is moved from the open position.

Features And Benefits

• 4" Fire Butterfly Valve
• Smaller lay length
• Maximum Pressure: 300 PSI
• UL® Listed
• C-UL® Listed
• FM® Approved