Arc gear pump should be fully open before inhalation and discharge of the valve in the pipeline, closed valve is strictly prohibited to start. Check all pipe flanges and fittings for tightness. The first start should be injected into the pump liquid. Disc drive coupling, frictionless and collision sound. After verifying the direction of motor rotation, start the motor. Circular arc gear pump rely on the work of the pump cylinder and the meshing gear formed between the volume change and movement to transfer liquid or make the pressure booster pump. Outer meshing double gear pump structure. A pair of intermeshing gears and pump cylinders separate the suction chamber from the discharge chamber. When the gear rotates, the volume of the tooth between the tooth on the suction side and the tooth on the tooth side gradually increases and the pressure decreases, and the liquid enters the space between the teeth under the pressure difference. As the gear rotates, liquid between the teeth is brought to the discharge chamber. At this time, the volume between the teeth on the discharge side of the tooth on the side of the cavity is gradually reduced, and the liquid is discharged. Gear pump is suitable for conveying non-solid particles, non-corrosive, large viscosity range of lubricating liquid. Pump flow to 300 m 3 / hour, the pressure up to 3 × 107 Pa. It is commonly used as a hydraulic pump and delivery of various types of oil. Gear pump structure is simple and compact, easy to manufacture, easy maintenance, self-priming capacity, but the flow, pressure pulsation and noise. The gear pump must be fitted with a safety valve to prevent damage to the pump or prime mover if the outlet pressure of the pump exceeds the allowable pressure for some reason, such as blockage of the discharge pipe. Compared with the involute gear, the arc gear pump has the most outstanding advantage that the tooth profile has no relative sliding motion during gear meshing. Therefore, the tooth surface has no wear and smooth operation, no liquid due to the phenomenon, low noise, long service life and high efficiency. The pump out of the shackles of the traditional design, making the gear pump in the design, production and use into a new field. ã€Print】 ã€Close】