Self-priming centrifugal pumps with built-in ejector system Single Stage Pumps - BG Self-priming close-coupled centrifugal pumps with built-in ejector system, designed to remain primed even in the presence of water-dissolved gases. The extensive use of pressed stainless steel ensures a high-performance, durable and lightweight pump. Suitable for use with drinking water. " Garden" version, available with handle, terminal box with incorporated switch. Specifications Delivery: up to 4.20 m³ / h Head: up to 53 m Power supply: both single and three-phase 50 and 60 Hz Power: from 0.37 kW up to 1.10 kW Maximum operating pressure: 8 bar Temperature of pumped liquid: from -10 ° C to 40 ° C