visual level indicator / water / direct-reading / flange

To indicate the level of acids, materials with a high amount of nickel in the steel area are often required. The raw materials are expensive and it is not always easy to procure them. The machining and processing of these materials is complex, time-consuming and therefore expensive.

A far more favourable alternative for the low-pressure and low-temperature range are plastic materials. Using PVC, polypropylene (PP) or PVDF materials, many measuring tasks can be carried out safely and efficiently.

An excellent example is battery acid, for the resistance of which high-alloyed nickel steel would have to be used or – far easier and less expensive – a PP visual level indicator. It is no coincidence that all housings of car batteries are made of plastic materials.

Of course, a large number of float types for a wide variety of parameters are available in PVC, PP or PVDF designs.

These level indicators must not be used in areas with potentially explosive atmospheres (ATEX / IECEx), since plastic materials tend towards static charging and could thus generate as much energy as is required for ignition.