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1. The English word for "switch"
There are various ways to express "switch" in English, depending on its application scenario. The most basic expression is "switch", which can refer to an electrical switch, button, or switching device. For example, "electric switch" can be directly translated as "electric switch" or "electrical switch". In addition, there is an "on-off" switch, which refers to the state switching between "on" and "off", commonly used to describe the control of household appliances or mechanical equipment. In specific technical fields, switches also have more specialized terminology. For example, "main switch" or "power switch" can be translated as "main switch" or "power switch". And "on-off valve" or "switching tube" corresponds to "switching valve" or "switching tube". For situations where accurate flow control is required, "flow switches" or "on-off valves" can be used, which can be translated as "flow switches" or "valves". In cars or airplanes, in order to adjust the intensity of light, a "dimmer switch" is usually used, which is translated as "dim switch" or "dimmer control" in English. If it is necessary to disconnect the circuit, a "blocking switch" or "circuit breaker" can be used, which can be translated as "disconnecting switch" or "circuit breaker". In addition, there are some special types of switches. For example, the "foot switch" can be used for operating mechanical equipment, which is translated as "footswitch" in English. And "line selection switch" is a technology that controls equipment by selecting specific lines, corresponding to the English word "linear selection switch". In some mechanical devices, in order to achieve foot pedal control function, a "pedal switch" is use
2. Working principle and purpose of Dwyer Flow Switch
The working principle and purpose of Dwyer Flow Switch are as follows: Working principle: Magnetic switch design: The Dwyer Flow Switch adopts a unique magnetic switch design, which uses a lever mechanism to achieve fast switching action through the interaction between blades and magnets.
. This design does not require maintenance of bellows, springs, or seals, ensuring stable and reliable performance. Magnetic operation: Some models of flow switches use magnetic operation principle without mechanical connection. When the flow rate changes, the blade spring will push the blade, and the switch will be controlled to close or open by controlling the magnet, thereby triggering the alarm or shutdown function. Purpose: System protection: Dwyer flow switch can automatically protect the system when the flow decreases or disappears, preventing equipment damage caused by insufficient flow. For example, in the normally open state, when the flow stops, the leaf spring will close the switch to control the operation of equipment such as motors, pumps, or engines. Flow monitoring: Flow switches are widely used for monitoring the flow of liquids,