Lifting Shower Hinges are a kind of hinges which use lifting sleeve to lift. The up and down Lift Shower Door Hinges are divided into left and right opening two kinds. They use different lifting sleeves to distinguish left and right opening directions. Lift Off Hinges can also be lifted up by 4-4.5mm. Lift Up Hinge is also suitable for uneven ground. When the ground is slightly inclined to the right, it is necessary to choose the left-side lifting hinges. When the Lifting glass hinge are raised in parallel, they will not touch the ground or glass.
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Centrifugal pump knowledge of centrifugal pump classification
Centrifugal pump classification 1. Dynamic pump Dynamic pump is through the high-speed rotating impeller or high-speed motion of the fluid energy is applied to be fed continuously to the liquid in the pump housing to increase the speed of the maximum, then, through the pump The cross-section of the flow channel in the shell changes gradually and the velocity gradually decreases, and its kinetic energy is partially converted into the pressure energy at the outlet of the pump. Power pump can be divided into blade and jet (special role in the pump) two categories. According to the flow direction of fluid in the pump housing, but also further divided into centrifugal pump, axial flow pump. 2. Positive displacement pump Positive displacement pump relies on periodic changes in the volume of several closed spaces by applying pressure to the liquid by means of squeezing to increase the pressure directly to the desired value for delivery of the liquid through the valve or orifice Go to the pipeline. According to the movement characteristics of booster components, positive displacement pumps can basically be divided into two types of reciprocating and rotor. Each category can be further subdivided into several forms. 3 Centrifugal pump classification 1). According to the method of liquid suction impeller: (1) single suction centrifugal pump: impeller suction side only one side, liquid from the side of the impeller into the impeller. (2) Double Suction Centrifugal Pump: Both sides of the impeller have suction ports, and the liquid enters the impeller from both sides. 2). According to the impeller series: (1) Single-stage pump: only one impeller. (2) Multistage Pump: Two or more impellers mounted in series on the same pump shaft. 3) According to the form of pump body: (1) Volute pump: The housing is in a spiral shape. After the liquid is thrown out of the impeller, it enters into the helical volute chamber and then into the discharge pipe, such as the Y-type pump. (2) double volute pump: impeller discharge side of the shell with double scroll chamber. (3) cartridge pump: the pump inner shell mounted in an outer cylinder double shell centrifugal pump. In addition, the pump can be divided into different media pump water pump, pump, corrosion-resistant pumps.