Stainless steel gear pumps, gear pumps, lubricating oil pumps,
When the gear lubricating pump is in operation, the rotary pump formed by the change in the working volume formed between the pump cylinder and the meshing gear and moving to convey the liquid to make it pressurized. Â Â Â
    The structure of external gear lubrication gear pump. A pair of intermeshing gears and cylinders separate the suction and discharge chambers. When the gear rotates, the inter-tooth space between the teeth on the side of the suction chamber side gradually increases, the pressure decreases, and the liquid enters the teeth under the pressure differential. With the rotation of the gear, the liquid between the teeth is brought to the discharge chamber. At this time, the inter-tooth space between the discharge chamber side gear teeth is gradually reduced, and the liquid is discharged. The gear lubrication pump is suitable for conveying lubricious liquids that do not contain solid particles, are not corrosive, and have a wide range of viscosities. The pump flow rate may be 300 m3 / pressure up to 3 × 107 Pa. It is commonly used as a hydraulic pump and to deliver various types of oil. The gear lubrication pump is simple and compact in structure , easy to manufacture, easy to maintain, self-priming, but has large flow and pressure pulsations and high noise. The gear lubrication pump must be equipped with a safety valve to prevent damage to the pump or the prime mover due to a certain cause, such as the discharge pipe clogging, causing the pump outlet pressure to exceed the allowable value.    Â
  Gear lubrication pump is a type of volumetric pump. It consists of two gears, a pump body and front and rear covers. When the gears rotate, the volume of the space on the disengagement side of the gears increases from small to large, forms a vacuum, and sucks the liquid. The volume of the space on the gear meshing side is reduced from large to large, and the liquid is squeezed into the pipeline. The suction chamber and the discharge chamber are separated by the meshing lines of the two gears.     The pressure at the outlet of the gear lubrication pump depends entirely on the resistance at the pump outlet.   Â
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