This o-ring is supplied in AS568-339 red Silicone 70 Shore A built to an inside diameter of 3.225 in (81.92 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.645 in (92.58 mm), catalogued under part number S70FDA339. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to weathering, many oxidizing chemicals, and dry heat. Silicone is widely chosen for physiological inertness and low toxicity, an exceptionally wide service temperature range. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C). Verify compatibility before use with concentrated acids or abrasive dynamic service.
The compound meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. Typical settings include electronics and electrical enclosures, sanitary process lines, and food and beverage processing.
Reference part number S70FDA339 when ordering; the item is sold individually. Unit weight is approximately 8.59 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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 -339 RED SILICONE 70D FDA O-RING
uf_description2 COMPLIANT TO 21CFR SEC 177-2600, 0.210" (5.33MM) CS X 3.225" (81.92MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.225 inch (81.92 mm)
Actual_OD 3.645 inch (92.58 mm)
ProductCode Description O-Rings - FDA / Metal Detectable