Ordered as E5.7X519.3, this is a black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 519.3 mm (20.445 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 530.7 mm (20.89 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, excellent hot water and steam resistance. The compound resists phosphate ester hydraulic fluids, ketones, and dilute acids and alkalis. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C).
Common environments for this compound include water and steam systems, HVAC and refrigeration, and solar and roofing assemblies.
Reference part number E5.7X519.3 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 5.7MM CS X 519.3MM ID BLACK EPDM 70D
uf_description2 METRIC O-RING
Actual_OD 530.7 mm (20.89 inch)
Actual_CS 5.7 mm (0.224 inch)
Actual_ID 519.3 mm (20.445 inch)
ProductCode Description O-Rings - Metric - Commodity