Generally when the product being pumped is of a corrosive nature, or the leakage of that product has the potential to harm operators or cause damage to the environment.
Examples of such products would be:
Hydrochloric Acid
Methane
Sodium Sulphate
Sodium Hydroxide
Sodium Hypochlorite
Sulphuric Acid
What would be some typical applications those products are used in?
