Since ancient times, humans have begun to study water flow, and the use of research on water flow has established water conservancy projects and urban water supply projects. Measurement of water flow Each country has its own different methods. For example, the famous Dujiangyan project in ancient China used a water level to observe the mouth of the bottle, and then to observe the change in the amount of water measured, as well as the measurement of the Nile in ancient Egypt. The flow rate is measured by the å ° method. Nowadays, the development of this society is so rapid. Of course, there are many places where it is necessary to measure the water flow, such as the calculation of energy, the demand for water flow measurement by urban public utilities, etc. Therefore, the flowmeter has developed rapidly in China, and it has been Hundreds of flow meters appear in the Chinese market.
However, in general, China's use of flowmeters is still relatively slow. In the past, China imported flowmeters from foreign countries. The price is high and not very good. It can't achieve the effect obtained in our country, and it is made in foreign countries. All of the above are used in accordance with the English steps, which has brought us a lot of change.
However, the gratifying thing is that our country has developed its own flowmeter, which is very suitable for use in our country and also a large number of export sales, because the quality and use are very convenient and highly praised by people, and developed various types of The flow meter is for everyone to choose. A flow meter that needs to be pointed out is a liquid flow meter . This is not only a flow meter for measuring liquid, but also a pressure meter for measuring pressure. It can be said that liquid can be used as long as there is flow measurement. Flow meter. It can be said that a flowmeter can be used for many purposes, which realizes the innovation of the flowmeter, simplifies its use steps and improves the accuracy.
Winches can be used for get something unstuck, lifted, or loaded, an electric winch can save a ton of back-breaking work. The capacity of electric car winches differ from 2000lbs to 20000lbs. Normally winch line pull below 5000lbs are for UTV/ATV, winch line pull between 8000lbs and 15000 lbs are for cars like Jeeps, winches over 15000lbs are designed for trucks.
There are also DC electric hydraulic winches from 10000lbs to 20000lbs. To install such winches, hydraulic pumps are needed.
Car Winches or electrical 4x4 winches, they are commonly available with either a 12V DC or a 24 V DC motor.so confirm the winch voltage you need before buying a winch. And the voltage does not affect the winch motor housing shape, however the inside motor quality sometimes will. There`s almost no difference between the price of 12v and 24v.
Electric Recovery Winches are powered by a motor that runs off either your vehicle's battery or power steering pump. The vehicle's battery power is transferred through the winch's motor to the gear train, causing the winch drum to rotate the rope or cable in a rapid spinning motion.
When choose an electric winch, take the maximum load that you expect to winch and multiply it by 1.5, then you`ll know which one to choose.
The weight rating of these off road winches is based on the first wrap of the cable around the drum. With each layer of cable, the pull capacity actually drops, so when in doubt, go larger. Below is an example of winch performance of each layer for your reference.
Besides, if you need a fast speed winch, pls also take a look at the gear ratio your suppliers offered. As for winches in 12000lbs, the normal gear ratio is 265:1, if you prefer fast speed, you may choose 158:1, which means the actually line of pull may be smaller at the same time.
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