ProActive® 12V plastic pumps with 36 mm diameter, for sampling water in piezometers with small or larger but irregular diameters
If you need a diameter of less than 1.5 “, inertia valves can be used.
Disclaimer: ProActive® products must only be used in water or in association with water products. They must not be used with or near fuels, flammable liquids, vapors and, but not limited to, ethylene oxide, methyl chloride, pentane, gasoline, diesel, benzene, acetone, ethyl alcohol, isopropyl alcohol, etc. Any unauthorized use can damage the product or cause damage to people or things and is at the risk and responsibility of the purchaser and end user, and invalidates any type of guarantee.