Part number S70FDA237 is an AS568-237 red Silicone 70 Shore A O-Ring built to an inside diameter of 3.359 in (85.32 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.637 in (92.38 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
The material holds up against ozone and UV exposure, extreme heat and cold, and many oxidizing chemicals. Silicone is known for physiological inertness and low toxicity, very good compression set resistance across its range. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. It should not be specified for service in steam above its rated range or hydrocarbon fuels and oils.
The compound meets FDA requirements for food contact, 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.
This item is sold individually under part number S70FDA237. Unit weight is approximately 3.805 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -237 RED SILICONE 70D FDA O-RING
uf_description2 COMPLIANT TO 21CFR SEC 177-2600, 0.139" (3.53MM) CS X 3.359" (85.32MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 3.359 inch (85.32 mm)
Actual_OD 3.637 inch (92.38 mm)
ProductCode Description O-Rings - FDA / Metal Detectable