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The Hallite 657 has been designed especially to fit SAE J518 flanges.High pressure and pumping are common problems which prevent reliable sealing in applications where O rings are fitted. Hallites 657 overcomes these.Manufactured as standard in Hallites high quality Hythane 181, the material provides excellent extrusion resistance and is able to perform at both low and high temperatures. The seals profile is designed to ensure that pumping is prevented and to provide reliable sealing of the flange.In addition to the high specification material, the Hallite 657 is also manufactured in an industrial standard polyurethane.Please ensure that the correct part number is specified for the material option that is required. See left for details.NB: Also listed, two non-SAE seal sizes formetric flanges.
| Hallite Seals International Ltd. | |
|---|---|
| Product Category | Hydraulic Seals and Pneumatic Seals |
| Product Number | 657 Series |
| Product Name | Rod Seal |
| Material (ASTM Abbreviation) | Polyurethane; Hythane® 181 |
| Design Units | English; Metric |
| Shaft O.D. or Seal I.D. | 1.04 to 1.43 inch (26.3 to 36.2 mm) |
| Housing I.D. or Seal O.D. | 1.32 to 1.77 inch (33.5 to 45 mm) |
