HR4

HR4 is a low-pressure, high-temperature return line or suction line for petroleum- and water-based hydraulic

fluids. It has a vacuum rating of 25 in Hg. HR4 has half the bend radius of the typical SAE 100R4.

Meets or exceeds the performance requirements of
- _{SAE 100R4}
- _{SAE J1942 / U.S. Coast Guard}
- _{MSHA Flame Resistant Cover}

HR4