Ordered as SV70351, this is an AS568-351 black Viton® (FKM) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 4.725 in (120.02 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.145 in (130.68 mm). The quad-ring seats in a standard o-ring gland while offering improved dynamic performance.
Viton® (FKM) is specified here for outstanding high-temperature capability, excellent resistance to compression set and permeation. The material holds up against many acids, engine and transmission fluids, and chlorinated solvents. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service.
It sees regular use in chemical processing, aerospace, and oil and gas.
This item is sold individually under part number SV70351. Nominal inside diameter is listed as 4 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description 568-351 FKM 75 SQUARE CUT RINGS
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.725 inch (120.02 mm)
Actual_OD 5.145 inch (130.68 mm)
ProductCode Description O-Rings - Square/Quad - Commodity