Continental (formerly sold under the ContiTech brand) SR2SN SAE 100R1AT high pressure hydraulic hose. Applications include: high pressure hydraulic oil lines used in construction and machine tool and agricultural applications using petroleum- or water-based hydraulic fluids. Hose sizes 3/16â€- 5/8†have a vacuum rating of 28 in Hg. Hose sizes 3/4â€- 1†have a vacuum rating of 24 in Hg. Meets flame resistance US MSHA designation; meets higher EN/DIN pressures; ABS type approved SAE J1942/U.S. Coast Guard.