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How to choose packing scales?

Source:[seo:selfurl]Release time:2022-09-06

The solenoid valve is not only a component of the packaging scale, but also related to the weighing accuracy and packaging quality of the packaging scale. Therefore, it should be selected according to safety, reliability, applicability, economy and other reasons, and also considering the working conditions of the actual working environment.
When selecting the solenoid valve of the packaging scale, the first element to be referred to is the pipeline parameters, including the diameter specification and interface mode of the pipeline. The second is fluid parameters. Generally, corrosion-resistant solenoid valves and all stainless steel are suitable for corrosive fluids; For high-temperature fluid, the solenoid valve made of high-temperature resistant electrical materials and sealing materials shall be selected, and the piston structure type shall be selected.
At the same time, the solenoid valve of the packaging scale should be selected according to the pressure parameters, which mainly involves the nominal pressure and the working pressure; The continuous working time should also be considered, which will determine whether the solenoid valve of the packaging scale is normally closed, normally open or continuously energized.
When the packaging scale needs to be opened for a long time, and the duration is longer than the closing time, the normally open solenoid valve shall be selected; If the opening time is short or the opening and closing times are not long, the normally closed type is selected. However, some working conditions for safety protection are quite special, so long-term energized solenoid valves should be selected.
In addition, the auxiliary functions required by the environment can also be used as one of the basis for selecting the solenoid valve of the packaging scale, such as explosion-proof, check, manual, waterproof fog, water spray, diving, etc. all have different solenoid valves to ensure the safety and stability of the work of the packaging scale.

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