OCV valve capability test return circuit of degreasing

The utility model provides a OCV valve capability test return circuit of degreasing belongs to OCV solenoid valve capability test technical field, including gas holder, a two for two valve, first check valve, OCV solenoid valve, second check valve, vacuum generator and the oil tank that links to each other in order, first check valve links to each other with the oil inlet of OCV solenoid valve, and the second check valve links to each other with the oil -out of OCV solenoid valve, and is equipped with the 2nd two for two valve between vacuum generator and the gas holder, link to each other through the 2nd two for two valve between the gas outlet of vacuum generator and gas holder, the utility model is used for the loss of hydraulic oil among the reduction OCV solenoid valve capability test, and optimize existing field test environment. 本实用新型提供种OCV阀性能测试除油回路，属于OCV电磁阀性能测试技术领域，包括顺次相连的储气罐、第两位两通阀、第单向阀、OCV电磁阀、第二单向阀、真空发生器以及油箱，第单向阀与OCV电磁阀的进油口相连，第二单向阀与OCV电磁阀的出油口相连，且真空发生器与储气罐之间设有第二两位两通阀，真空发生器与储气罐的出气口之间通过第二两位两通阀相连，本实用新型用