As well as other wet parts of the bomba double diaphragm pneumatic, chemical compatibility, abrasion resistance and operating temperature are essential factors for setting the ball correctly.
In addition to these factors, relative density is another factor to consider. Below is a table with data regarding some ball materials:
The link below provides access to a chemical compatibility library:
https://www.graco.com/us/en/in-plant-manufacturing/support/tools/chemical-compatibility.html
Another interesting feature to note is the “hard/soft” relationship between the sphere and the seat. Experience with field applications has shown that the selection of ball and seat in accordance with this relationship has been highly successful.
Consult your process with our experts. Contact us at (48) 3438-8484 or email sales@duplacao.com.br
