Best Pumps
The Chesterton 450 is a mechanical seal developed by the American manufacturer A.W. Chesterton, engineered to handle high pressures and temperatures in rotating industrial equipment.
The Chesterton 440 is a nonmetallic external single mechanical seal produced by A.W. Chesterton for rotating equipment. Chesterton describes the 440 as a component seal for general chemical applications, with a design intended for fluids that can attack standard seal materials and expensive alloy co...
Chesterton 1600 is a graphite valve-packing product from A.W. Chesterton Company, used to seal valve stems in industrial service. Its construction uses layers of graphite tape formed into compact strands, reinforced with nickel-alloy wire mesh, then square-braided; the material also includes a passi...
