NEC 300.34 / Graph below ) 7.216 (MBR) Minimum Bending Radius. of Wire (0.902 Inches) x Cable Multiplier of 8X O.D. Minimum Bend Radius for 500 MCM THHN is the O.D. This hose will not deteriorate, dry, harden, or permeate fuel (emit fuel vapor) with the presence of ethanol in gasoline.įor use with RaceFlux brand and other traditional AN fittings. With this in mind, we see that the graph says we would use the table for NEC 300.34 after making our determination. This hose is NHRA approved and can be found on the NHRA approved product list.Ĭertified for use with racing fuels, ethanol-based fuels (E85+), diesels/bio-diesels, methanol, and ethanol/gasoline mixtures. WP bar, BP bar, Bend radius mm, Weight kg/m, Quantity m/pack. Herco 3/8 ID Viton FKM Fluoroelastomer Rubber Tubing - 1/8 Wall. Tubing: Viton, FKM, Black, 3/8 in Inside Dia, 9/16 in Outside Dia, 25 ft Overall Lg. This 4-layer hose is SAE J30 R9 rated and features a Viton Fluoroelastomer (FKM) inner layer for compatibility with nearly all automotive fluids including fuel, engine oil, gear oil, transmission fluid, coolants, water, air and vacuum. Bend Radius: Not Rated Curing Method: Biphenyl Cured. RaceFlux's RH1 lightweight racing hose is 33% lighter than stainless braided hose and much easier to assemble and work with.