The filter is an indispensable device on the transmission medium pipeline and is usually installed on the inlet side equipment of a pressure reducing valve, a pressure relief valve, a constant water level valve, and other equipment of the Fanggong filter. After the filter has a filter cartridge of a certain size, the impurities are blocked. When it is necessary to clean the filter cartridge, the removable filter cartridge can be removed and reinstalled after processing. Therefore, the use and maintenance are extremely convenient.

1. Import and export path:

In principle, the inlet and outlet of the filter should not be smaller than the matching inlet diameter of the pump, generally the same as the diameter of the inlet pipe.

2, nominal pressure:

The pressure rating of the filter is determined by the highest possible pressure in the filter line.

3, the choice of the number of holes:

The main consideration is the particle size of the impurities to be intercepted, which depends on the process requirements of the media process. The size of screen sizes that can be intercepted by various specifications can be found in the table below.

4, filter material:

The material of the filter is generally the same as the material of the connected process piping. For different service conditions, a cast iron, carbon steel, low alloy steel, or stainless steel filter may be selected.

5, filter resistance loss calculation of water filter, in the general calculation of the rated flow rate, the pressure loss of 0.52 ~ 1.2kpa

4 Post Hydraulic Press is suitable for the metal material tensile, bending, cold extrusion,cuting process, also applies to calibration, pressure equipment, powder product abrasive products press forming and the press forming of plastic product insulation materials. According to the structure type, the hydraulic machine has two columns, four columns, eight columns, welded frame and multi-layer steel strip winding frame, and the medium and small vertical hydraulic machines are also C-frame type. The C-frame hydraulic press has three sides open for easy operation but poor rigidity. The welded frame hydraulic press for stamping has good rigidity and is open at the front and rear, but closed at the left and right. In the vertical four-column free forging hydraulic machine of the upper transmission, the cylinder is fixed in the upper beam, the plunger is rigidly connected with the movable beam, and the movable beam is guided by the column, and moves up and down under the pressure of the working fluid. There is a workbench on the beam that can move back and forth. An anvil and an anvil are respectively installed under the movable beam and on the work surface. The working force is supported by a frame composed of upper and lower beams and columns. Large and medium-sized free forging presses driven by pump-accumulators often use three working cylinders to achieve three-stage working force. There is also a working cylinder

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