Ordered as E80PC203, this is an AS568-203 black EPDM (EPR) 80 Shore A O-Ring supplied with an inside diameter of 0.296 in (7.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.574 in (14.58 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
EPDM (EPR) delivers very good flexibility at low temperature and good electrical insulating characteristics. The compound resists water and steam, brake fluid, and ketones. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service.
Typical settings include potable water applications, water and steam systems, and HVAC and refrigeration.
Reference part number E80PC203 when ordering; the item is sold individually. Nominal inside diameter is listed as 5/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -203 BLACK EPDM 80D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 0.296 inch (7.52 mm)
Actual Outside Diameter 0.574 inch (14.58 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity