ARO
1/2" Pro Series Diaphragm Pump
666053-322
772-390-407-004
1:1 RATIO (NON-METALIC) Fuel & Oil applications

Polypropylene Manifold Material
Polypropylene Seat Material
Nitrile Ball Material
Nitrile Diaphragm Material
Maximum Air Inlet Pressure...... 100psi
Maximum Flow Rate.................. 49.2L/min
Maximum Particle Size.................2.4mm

PDF Operators Manual – ARO 66605