The AVK FlowGuard I prevents reverse flow
through a fire hydrant, stopping intentional
distribution system contamination or accidental
cross connections through a fire hydrant. A clear
waterway and free swinging disc ensures the valve
does not interfere with fire-fighting operations; the
check valve is a low head loss design.
• Clear waterway design for low headloss
• Can be installed on any 6” mechanical joint
hydrant inlet
• EPDM disc for long life in chlorine and
chloramines
• Stainless steel bolting to prevent corrosion
• All internal parts are 316 stainless steel or fusionbonded
epoxy coated for long life
• Ductile Iron body and bonnet, rated for 250 psi
• Fusion bonded epoxy coating
• Restrained joint between the fire hydrant and the
check
valve
• Resilient seated for a tight seal — even at low
pressures
• Exceeds AWWA C508
• Tested to 1,000,000 cycles
• 10 year warranty