We offer DEF pumps with a variety of features and power levels that are compatible with a wide range of DEF applications. From air pumps, electric, to heavy-duty, and more, SPATCO DEF has the right pump to meet your particular needs. STANDARD FLOW SUBMERSIBLE DEF PUMPS If you’re moving...
When you shutdown the RV’s engine, you may hear a whirring/buzzing sound from near the DEF tank. This is likely a pump returning the DEF fluid back to the tank. This helps to prevent it from freezing in the lines. Also, DEF does degrade over time. But, if you store your DEF at...
How is the fluid in hydraulic system 1 and 2 cooled during ground operation? A. 电风扇通过热交换器从客舱引气。An electric fan draws air from the cabin across the heat exchanger B. 冲压空气自然地流过热交换器。Ram air naturally flows across the heat exchanger C. 电风扇从冲压空气管道...