APG stocks the N70284, an AS568-284 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 17.955 in (456.06 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 18.233 in (463.12 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Neoprene (Chloroprene) delivers good resilience across a moderate temperature band and dependable general-purpose sealing in exposed installations. The compound resists moderate petroleum oil exposure, sunlight and salt spray, and mild acids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong oxidizing acids or aromatic hydrocarbons.
You will find this material specified across HVAC and refrigeration, marine equipment, and weather sealing and enclosures.
Order part number N70284, sold individually. Unit weight is approximately 19.8036 g and nominal inside diameter is listed as 18 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -284 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.139" (3.53MM) CS X 17.955" (456.06MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 17.955 inch (456.06 mm)
Actual_OD 18.233 inch (463.12 mm)
ProductCode Description O-Rings - Bulk - Commodity