The manual pump is the most common kind of mention pump, because he is a manual operation more convenient. Hand driven gear so that force, applicable to transport all kinds of oils, such as heavy oil, diesel oil, lubricating oil, with copper gear can deliver within a point of low liquid such as gasoline, benzene, etc., can be applied with hard particles or fibers for a variety of viscosity, with good self-priming to help every time a pump is not to be poured into the liquid. 
 The use of the manual pump 
 Manual pump by the handle back and forth action, is increased pressure to open the emergency shut-off valve, the media can be enacted in case of fire or other emergency situations, the manual pump pressure relief valve opens the hydraulic system, rapid relief, emergency shut-off valve is immediately shut down, or the temperature rises to above 75 ℃, installed in the pump or the emergency shut-off valve, fusible plug melt immediately, to achieve automatic pressure relief purposes, is the emergency shut-off valve is automatically shut down quickly. This product has a light body, suction pumping easy to install easy to operate and durable features. The manual pump for pumping gasoline, oil, kerosene, diesel, cooking oil and other oils.