DR45 Pressure Valve
It is the DR4-5 series of auto lubrication reversing valves that are designed specifically for dual line systems.The DR4-5 is crucial in the system,it used to adjust the two line working direction from 0-20Mpa
DR4 is simple structure that ensures reliable performance.
viscosity:#20 oil to NIGL #2
DR4-5 valve could change the lubricant from one line to the other line automaticlly.