Parker’s 811 hose is a suction and return line hose that has a working pressure range of 62-300 PSI which is designed for high temperature applications. The 811 hose is designed, built, and tested to meet SAE 100R4 performance specifications. Sizes range from 3⁄4” to 2-1⁄2” in diameter to fit the requirements of various markets. Markets: Transportation RV & Bus Military Construction Agriculture Grounds & Building Maintenance Forestry Railroad Utility Equipment Personnel Lift Equipment Machine Tool Oil Field Service Waste & Refuse Material Handling Marine Paving & Road Maintenance Ground Support Equipment Industrial Mining Features/Benefits: 62-300 PSI working pressure in different sizes Half SAE bend radius for ease of installation and low force to flex SAE J517 100R4 / SAE J1942 Performance Specifications Oil and weather-resistant synthetic rubber cover Applications: Petroleum base hydraulic fluids and lubricating oils Compatible Fittings: 81 series fittings for -12 to -32 88 series fittings for -12 to -40