Impeller pump entirely in stainless steel (AISI 314) intended for pumping and transporting chemicals and other aggressive media adapted to the impellers installed in the pump. Reversible mechanical seal in stainless/graphite/nitrile material as standard. Seals of (tungsten/carbide/nitrile) or (tungsten/carbide/viton®) are available to order. Working temperature of the liquid + 40 to +1000 C. The pumps can change direction of rotation depending on whether the switch is set to position 1 or 2. The pumps should not run against a closed valve or without liquid for some time. Protection class IP55. The pumps are intended for continuous operation. At higher suction heights, these pumps can be used for liquids up to 5000 cts and can also pump relatively dirty liquids. Max working pressure approx. 2.4 bar. Connection ext. G3/4" in all pump models. Weight 10.0 kg Viton® is a registered trademark from DuPont