If your system has an oil separator with an external reservoir, you need the OCV-20. The Oil Differential Check Valve-20 (OCV-20) relieves pressure from the reservoir to the suction header to maintain a higher pressure in the reservoir at a pre-set level above the suction pressure.
* SAE = 45° Flare Connection, FPT = Female Pipe Thread, M&F = Male and Female | ** Except Ammonia (NH3)
