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Safety precautions for high temperature gear pumps units:
1. The quality of the high-temperature gear pump installation has a very important impact on the smooth operation and service life of the pump, so the installation work must be carried out carefully and not rashly.
2. The installation height, length, and pipe diameter of the suction pipe of the high temperature gear pump should meet the calculated values, strive to be short and reduce unnecessary losses (such as elbows, etc.).
3. The suction and discharge pipelines should have pipe racks, and the pump is not allowed to bear the load of the pipeline.
4. The installation site should be wide enough to facilitate maintenance work and good heat dissipation.
5. Installation sequence of high temperature gear pump:
(1) Place the unit on the foundation buried with anchor bolts, and place a pair of pads between the base and the foundation for alignment purposes.
(2) Loosen the coupling, place a level meter on the pump shaft and base, adjust the wedge pad to make the unit level. After alignment, properly tighten the anchor bolts to prevent movement.
(3) Fill the base and anchor bolt holes with concrete.
(4) After the concrete is dry, check whether the base and anchor bolts are defective or loose. After passing the inspection, tighten the anchor bolts and recheck the level of the pump.
(5) Correct the coaxiality of the pump shaft and the motor shaft. The deviation on the outer circle of the coupling is allowed to be 0.1 mm. The gap between the two coupling planes should be 2 to 3 mm. , The difference between the maximum and minimum gap must not exceed 0.3 mm.
(6) After connecting the pipeline and determining the direction of rotation of the prime mover, connect the coupling again and check the coaxiality of the circle again.
(7) The final inspection shall be conducted after the actual trial operation of the unit for 3 to 4 hours. If there are no defects, the installation is deemed qualified.
(8) In order to prevent sundries from falling into the machine during installation, all holes of the unit should be covered.
(9) When cleaning the inlet and outlet pipelines of the high temperature gear pump before opening, a filter must be added to the inlet section of the pump to prevent debris from entering the pump.
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