Diwali---The Most Important Festival in IndiaDiwali comes from the Sanskrit words deepa and avail literally meaning "Paradian". Diwali is related to several Indian myths. These myths tell the story of justice over injustice and light over darkness. One of the stories tells that the Hindu god Krishna

In production automation and buildings, there are a large number of fans and pumps, and for cost consideration, buttons and thermal relays are commonly used as control and protection components.

Water pump is a machine that can increase the pressure of water. For example, used in the life of the tap water booster, fish tank, agricultural irrigation and other uses, the pump has divided into variable frequency pump and ordinary pumps. So what is the variable frequency pump? Let's take a look.

Constant pressure water supply is used in many fields such as urban water pipeline system, residential district living fire fighting water system, building central air conditioning cooling circulating water system, etc. Constant pressure water supply means that the water pressure in the pipe network can always keep constant at any time at the user's end. The inverter adjusts the speed of the pump according to the outlet pressure to achieve the purpose of controlling the constant water pressure of the pipe network.