The VITON75278 is an AS568-278 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 11.984 in (304.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 12.262 in (311.45 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Viton® (FKM) is specified here for very low compression set at elevated temperature and industry benchmark where nitrile reaches its thermal limit. The compound resists many acids, aggressive chemicals, and aromatic hydrocarbons. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with low-molecular-weight organic acids or ketones and esters.
Typical settings include semiconductor equipment, oil and gas, and aerospace.
Reference part number VITON75278 when ordering; the item is sold individually. Unit weight is approximately 17.172 g and nominal inside diameter is listed as 12 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -278 BLACK CHEMOURS VITON 75D O-RING
uf_description2 0.139" (3.53MM) CS X 11.984" (304.39MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 11.984 inch (304.39 mm)
Actual_OD 12.262 inch (311.45 mm)
ProductCode Description O-Rings - Bulk - Commodity