Item description: Name: TPM Package Quantity sold: 1pcs Size: 40x24x18.40 (31.1) S=6.35 Material: NBR + TPE + POM Technical parameters: Dimensions: D -40 mm d - 24mm H - 18.40 mm s - 6.35mmTPM package seal, double-acting. An ideal and inexpensive solution for applications with medium operating pressure. It consists of 5 elements: - central part made of NBR, - two support rings (thermoplastic material - TPE) - and two guide rings ( POM). Depending on your needs, it is possible to order a Viton version of the package.