Self-priming electric pumps with helical bronze gears for transferring lubricating oils and viscous liquids. Nickel-plated brass body and stainless steel shaft. Particularly suitable for draining engine sumps and for engines lubricating operations.
Self-priming water pressure systems with two connected pumps with electronic control Speed motor related to the flow rate. Reduced consumption and noise. Accumulator tank is not required. Protected against overloads. Pump functions monitored by 2 led. “Empty tank” signal and shut-off device.