Roots vacuum pump: how to distinguish the pros and cons of Roots vacuum pump
2021-04-09
Summary
Whether it is the purchase of Roots vacuum pump or any other products, will pay great attention to the pros and cons of the product, because bad equipment not only affects the normal use, but also affects the mood, everyone wants to buy a satisfactory product in one step, so how to distinguish its pros and cons?
Whether it is to buyRoots vacuum pumpOr any other product, will pay great attention to the pros and cons of the product, because bad equipment not only affects the normal use, but also affects the mood, everyone wants to buy a satisfactory product in one step, so how should it distinguish the pros and cons?
1. The product packaging of regular manufacturers is generally more formal and the handwriting is clear. In addition, the oil should have detailed product name, factory name, trademark, specification model, address and telephone number, etc. Inferior products are generally packaged in rough, and the factory address is not clearly and completely printed.
2. Qualified products should have smooth surface and fine workmanship. The more important the spare parts, the higher the processing accuracy should be, and the more strict the anti-rust and anti-corrosion. When selecting, if it is found that the parts have rust spots or lose elasticity, the rubber parts are cracked or the journal surface has clear processing lines, it may not be the original parts.
3, inferior Roots vacuum pump appearance some can not see what is different, but due to poor production process, easy to damage, then you need to observe the hidden parts of the corners of the accessories, you can see the quality of the accessories.
4. The purchased spare parts can be installed on the car to see if they can be well matched. Generally, the original parts can be well matched, while the inferior parts have large processing errors due to poor technology, so it is difficult to match the spare parts.
5, qualified equipment components should be complete and intact, so as to ensure its normal operation. But sometimes small parts missing, it is easy to lead to loading difficulties, this kind of accessories may be counterfeit accessories.
6. When the equipment leaves the factory, it is generally accompanied by instructions, certificates and other certificates to guide users in use, installation and maintenance. Fake ones generally do not have detailed installation instructions.
The above is about the method of distinguishing the pros and cons of Roots vacuum pump. When choosing equipment, you can refer to these methods, and sometimes pay attention to some small details to see its flaws, so as to ensure the qualification of the equipment to meet the needs of production.
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