Installation of piping and piping in purification workshop
Installation of piping and piping in purification pharmaceutical cleanroom
In order to prevent the quality of the pipeline from pressing on the pump, the pipelines connected to the inlet and outlet of the pump should be provided with independent and firm support points, and the support position should not affect the operation and maintenance of the pump; A filter or filter screen should be set on the road, and the total flow area of u200bu200bthe filter screen...
Text label: piping installation in purification pharmaceutical cleanroom, installation in clean workshop
Piping and piping installation in purification workshop
In order to prevent the quality of the pipeline from pressing on the pump, the pipelines connected to the inlet and outlet of the pump should be provided with independent and firm support points, and the support position should not affect the operation and maintenance of the pump; A filter or filter screen should be installed on the road, and the total flow area of u200bu200bthe filter screen should not be less than 2-3 times the area of u200bu200bthe suction nozzle. It should be connected to the water pump after the pressure test and flushing. After the pipeline is connected to the water pump, if gas cutting or welding work is required on the top of the water pump, in order to avoid damage to the pump impeller and other parts, the welding slag should be prevented from falling into the water pump; The length of the straight pipe section before the inlet should be greater than three times the diameter of the pump inlet, and there should be no air pockets in the pipeline.
Piping of water treatment equipment should meet the design requirements, have material certificate or factory certificate, and should be inspected according to the specifications; the installation of lining pipes should be carried out according to the markings during prefabrication processing, and must not be confused or reversed; lining equipment, pipes Or the pipe fittings should avoid strong vibration or contact when they are transported into place. Before installing the lined pipes and pipe fittings, the interior should be cleaned up, and the lining should be checked one by one, and the lining should not be damaged or defective; the installed pipes should be close to the support bracket. Contact, the connecting flanges are radially concentric, the sealing surfaces are evenly and tightly joined, the strength of the tightening bolts is appropriate, and the lining must not be damaged. The accessories in the fan coil piping system, in addition to the shut-off valve, water filter, and flexible joint, are also equipped with an electric two-way regulating valve or an electric three-way regulating valve for those requiring constant room temperature. For water or hot water pipes, the connection method of 'down to upper return' should be adopted. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for purification workshops and clean workshops.
The water filter is generally installed at the inlet of the chilled water or hot water pipe of the fan coil. When installing it, it should be horizontal and pay attention to the direction of water flow. The valve should be installed in a place that is easy to maintain. In high-rise buildings, it is located on the lower floor. To ensure the normal use of the electric control valve, a pressure reducing valve should be installed; the commonly used flexible joints include special rubber flexible joints and copper pipes. Two forms are used for the connection between the pipeline and the fan coil unit to eliminate water leakage due to hard connection, and at the same time to avoid damage to the fan coil unit during the connection process. When installing the electric control valve, the valve body should be horizontal. When installing the electric two-way control valve, the pipeline should be connected in the direction of the valve body mark. When installing the three-way control valve, pay attention to the water supply pipe in the control valve. The bottom part of the horizontal end of the regulating valve is connected to the main pipeline of the return water pipe in a normally closed state, and the other end is connected to the bypass pipeline in a normally open state; after the electric regulating valve is installed, the valve body should be insulated and the casing should be grounded to ensure its safe operation. .
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