1. Pump inlet center distance from the wall should be inhaled flare diameter D of 0.1 to 1.25 times the suction pipe from the bottom of the pool should be suction horn diameter D of 0.7 to 0.8 times the adjacent two suction inlet The distance between the centers should not be less than 2 to 2.5 times the diameter D of the suction horn tube.
2. The discharge line should be equipped with check valve (or pat door). Pump outlet should be installed between the check valve diffusion tube. Diffusion tube length should not be less than the size of the pipe diameter difference of 5 to 7 times.
3. Spiral shell mixed flow pump should be carried out by centrifugal pump.
As a traditional means of transportation, gasoline vehicles play an important role in people's lives. Its advantages include low cost, convenient maintenance, and a good driving experience.
The popularity of gasoline cars is mainly due to their convenience and affordability. Compared to other fuel types of vehicles, gasoline vehicles have gas stations almost all over cities and rural areas, and the refueling process is relatively simple, taking only a few minutes to complete. In addition, gasoline vehicles have relatively low purchasing and maintenance costs, making them suitable for people with most household economic conditions to choose from.
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