H.W. Godwin & Son was established in 1923. The company has been manufacturing piston rings since 1945. The company manufactures piston rings to suit customers requirements.

Hydraulics, compressors, stationary motors, pumps and labyrinth seals are but a few of the applications where the rings can be used. Materials range from cast iron Grade 17 to a variety of non-ferrous metals and tool steel, allowing for various designs to satisfy the end users needs.

Sizes range from 12mm to 1600mm in diameter.
Rings can be manufactured in standard sizes to any oversize on diameter, width or radial thickness.

A typical example of a Hydraulic Piston Ring Seal	Large Bore Piston Rings for various heavy industrial applications
Cast Iron Piston Rings for use in compressors and stationary motors	Clip Joint (Inter-Locking Ends) used in hydraulic transmissions or as a Labyrinth Seal in a bearing house