SFDA3X33 is a red Silicone 70 Shore A O-Ring with an inside diameter of 33 mm (1.299 in), a cross section of 3 mm (0.118 in), and an outside diameter of 39 mm (1.54 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint. This item is further identified as FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.
Silicone is specified here for very good compression set resistance across its range and flexibility that holds at very low temperatures. It resists extreme heat and cold, weathering, and dry heat. The material carries a published service range of -80°F (-62.2°C) to 450°F (232.2°C). It is not the right choice where hydrocarbon fuels and oils or steam above its rated range are present.
This item meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. It sees regular use in medical devices, pharmaceutical manufacturing, and ovens and heated equipment.
Reference part number SFDA3X33 when ordering; the item is sold individually. Unit weight is approximately 0.0064 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 3MM CS X 33MM ID RED SILICONE 70D
uf_description2 FDA COMPLIANT TO 21CFR SEC 177-2600, METRIC O-RING
Actual_OD 39 mm (1.54 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 33 mm (1.299 inch)
ProductCode Description O-Rings - FDA / Metal Detectable