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First, the sprinkler pipe filter is blocked, because the water pumped into the sprinkler cannot all be clean tap water. It may be the dirty pool or the water pumped in the pond. If there are too many impurities in the water, the filter can easily be miscellaneous. Things are blocked, such as sand, plastic bags, branches and other debris, only need to remove the filter inside the filter tee to clean, ensure smooth, you can resume normal work, the location of the filter in the sprinkler Pump inlet pipe middle.
Second, the impeller wear and deformation, resulting in the normal rotation of the sprinkler impeller but can not normal out of water, just replace the new impeller can be.
Third, the water pump seal gap, resulting in air into the sprinkler pump pressure is insufficient, the solution is to carefully check the work of the pump if there is a gap leaking water.
4. The water pump in the sprinkler pump works without water, causing the phenomenon of water-drying in the mechanical seal of the water pump. Replace the mechanical seal.
5. Insufficient power of the drive shaft causes the impeller in the water pump to fail to reach the normal working speed and increase the throttle.
To ensure that the pump has good self-priming performance, the following conditions must be met:
1. Before the pump works, the pump's liquid inventory must be higher than the pump shaft. Therefore, the pump inlet must be connected with an upwardly bent elbow and then a horizontal pipe and quick connector. The quick connector center line must be higher than the pump shaft centerline 300. Mm.
2, the import pipeline system must ensure that no air leakage, sealing performance is intact.
3, suction pipe suction head must be submerged in water, so as not to inhale the water pipe.
4. When connecting the outlet pipe to the pump outlet, it must be ensured that the length of the straight pipe is ≥200 mm and then the bend pipe.
5. There must be a filter tee in the middle of the inlet pipe to ensure that no impurities can damage the pump's precision components before the water enters the pump.
Brake drum is the friction coupling of drum brake, in addition to the strength and stiffness required as a component, but also should be as high and stable friction coefficient as possible, as well as the appropriate wear resistance, heat resistance, heat dissipation and heat capacity.
Brake drum is made of high strength gray cast iron or alloy cast iron containing Cr. This kind of brake drum has simple structure, convenient processing, large heat capacity, but large mass, and is mostly used for medium and heavy duty vehicles.
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Brake Drum,Truck Brake Drum,Wheel Brake Drums,Auto Parts Truck Brake Drum
Linzhou ChengDeshun Machinery Foundry Co., Ltd. , https://www.cdswheels.com