The S70MD245 is an AS568-245 red Silicone 70 Shore A O-Ring with an inside diameter of 4.359 in (110.72 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.637 in (117.78 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The compound resists ozone and UV exposure, dry heat, and extreme heat and cold. That behavior comes from the compound itself: Silicone is widely chosen for an exceptionally wide service temperature range and very good compression set resistance across its range. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C).
This item is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include food and beverage processing, sanitary process lines, and ovens and heated equipment.
Stocked as S70MD245 and sold individually. Nominal inside diameter is listed as 4 3/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -245 RED SILICONE 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 4.359 inch (110.72 mm)
Actual Outside Diameter 4.637 inch (117.78 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable