SFDA3X50 is a red Silicone 70 Shore A O-Ring supplied with an inside diameter of 50 mm (1.969 in), a cross section of 3 mm (0.118 in), and an outside diameter of 56 mm (2.2 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.
As a material, Silicone offers an exceptionally wide service temperature range and very good compression set resistance across its range. The material holds up against dry heat, many oxidizing chemicals, and ozone and UV exposure. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C). It is not the right choice where abrasive dynamic service or hydrocarbon fuels and oils are present.
The compound meets FDA requirements for food contact under 21 CFR 177.2600. It sees regular use in ovens and heated equipment, pharmaceutical manufacturing, and sanitary process lines.
Order part number SFDA3X50, sold individually. Unit weight is approximately 0.0064 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description 3MM CS X 50MM ID RED SILICONE 70D
Actual Outside Diameter 56 mm (2.2 inch)
Actual Cross Section 3 mm (0.118 inch)
Actual Inside Diameter 50 mm (1.969 inch)
Measurement System Metric
Product Category O-Rings - FDA / Metal Detectable