The needle valve can be closed through the rotation of a needle stem, and the oilcleaningdevice can also be driven to lift to clean out carbon deposit in the nozzle.
通过针阀杆的旋转即可以关闭针阀 又可以带动清油器升降，清除喷嘴中的积碳。
2
It makes up of pedrail style drive organization, ultra sound wave cleaning trough, spray system, drying system, circulation filter system and separate device of oil and fog.
由履带式传动机构、超音波清洗槽、喷淋系统、吹干系统、循环过滤系统、油雾分离装置等组成。
3
The utility model discloses a high pressure pump for well washing, and pertains to the oil field cleaningdevice.