Buyers in Azerbaijan often ask whether to choose mechanical seals, packing, or lip seals for oil-free service. Mechanical seals give the lowest leakage and suit clean, continuous duty, but they need careful installation and flushing. Graphite or aramid packing is simple, forgiving, and easy to adjust, which makes it popular for water and slurry pumps, though it allows a small controll... https://globalsealstech.com/oil-free-lubricated-pump-seal-azerbaijan/