Spring:: Stainless Steel AISI 304. (AISI 316 on request)
Plastics and colours:: Plastic parts are of virgin, food grade plastics. Some colours are not food grade. Please check prior to use for food applications.
Stability:: The pumps are stable with most known compositions. For other products, especially with lower pH values, it is advisable to check stability before use. If desired, this can be done at our end as well.