[2], (Catalog, 7.4 MB) Diagrams that show the principle are on Pages 6 and 7 (facing pair; it's worth configuring your reader). Only one piston is shown in the cutaway; the other is hidden; it is symmetrical, but reversed. Parker/Origa also makes similar cylinders with sealing bands.
[2], (Catalog, 7.4 MB) Diagrams that show the principle are on Pages 6 and 7 (facing pair; it's worth configuring your reader). Only one piston is shown in the cutaway; the other is hidden; it is symmetrical, but reversed. Parker/Origa also makes similar cylinders with sealing bands.