Part number SFDA4X30 is a red Silicone 70 Shore A O-Ring measuring an inside diameter of 30 mm (1.181 in), a cross section of 4 mm (0.157 in), and an outside diameter of 38 mm (1.5 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Supplementary detail from the product record: FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.
The compound resists weathering, ozone and UV exposure, and dry heat. Silicone offers very good compression set resistance across its range and flexibility that holds at very low temperatures. 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 hydrocarbon fuels and oils or concentrated acids.
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, pharmaceutical manufacturing, and medical devices.
Reference part number SFDA4X30 when ordering; the item is sold individually. Unit weight is approximately 0.0064 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description 4MM CS X 30MM ID RED SILICONE 70D
uf_description2 FDA COMPLIANT TO 21CFR SEC 177-2600, METRIC O-RING
Actual_OD 38 mm (1.5 inch)
Actual_CS 4 mm (0.157 inch)
Actual_ID 30 mm (1.181 inch)
ProductCode Description O-Rings - FDA / Metal Detectable