Grundfos JP 4-47 Self-Priming Centrifugal Pump

The Grundfos JP 4-47 self-priming centrifugal pump is a reliable and efficient solution for domestic groundwater consumption. Designed for a wide range of applications, this pump is ideal for households requiring a constant water supply, whether for irrigation, domestic supply, or potable water-related applications. The Grundfos JP 4-47 stands out for its robust stainless steel design, ensuring a long service life and excellent corrosion resistance, even in demanding conditions.

With a nominal flow rate of 4 m³/h and a maximum head of 43.4 metres, this pump can easily handle high-demand applications. Additionally, its self-priming design allows for quick start-up, reducing the time needed to commence pumping, even in cases where the system is partially empty. The PPO-20GF composite impeller ensures smooth and efficient operation, while its compact size facilitates installation and maintenance.

Technical Specifications:

• Nominal flow rate: 4 m³/h, making it suitable for domestic groundwater supply and other low to medium demand applications.
• Nominal head: 16.75 m, with a maximum head of 43.4 m, ensuring excellent performance in water lifting.
• Seal code: BBVP, ensuring efficient and durable sealing.

Materials:

The Grundfos JP 4-47 is constructed with high-quality materials, ensuring reliable and durable operation. The pump casing is made from stainless steel EN 1.4301 (AISI 304), providing excellent corrosion resistance and extended service life. The impeller is made from PPO-20GF composite, offering lightness and efficiency in operation.

• Hydraulic body: Stainless steel EN 1.4301 (AISI 304), corrosion-resistant.
• Impeller: PPO-20GF composite, designed for efficient and reliable operation.

Installation:

This pump is designed to operate in ambient temperature ranges from 0 to 40 °C, making it suitable for various climatic conditions. Its inlet and outlet connection is G1 type, compliant with ISO 228-1 standards, facilitating integration into domestic water systems. With a maximum working pressure of 6 bar, it can efficiently handle moderate pressure systems.

• Maximum working pressure: 6 bar.
• Maximum permissible inlet pressure: 1 bar.
• Pump inlet and outlet: G1 (ISO 228-1 standard).

Pumped Liquid:

The Grundfos JP 4-47 pump is designed to pump water with temperatures ranging from 0 °C to 40 °C, making it a versatile choice for various groundwater and domestic applications.

• Liquid temperature range: 0 °C to 40 °C.
• Operating liquid temperature: 20 °C.

Electrical Data:

The pump has an input power of 840 W and a nominal power of 0.55 kW, ensuring efficient performance with moderate energy consumption. It operates with a nominal voltage of 1 x 220-240 V and a network frequency of 50 Hz, compatible with most domestic electrical systems. Its single-phase motor features a 14 µF/450 V capacitor, ensuring a smooth and efficient start.

• Input power (P1): 840 W.
• Nominal power (P2): 0.55 kW.
• Network frequency: 50 Hz.
• Nominal voltage: 1 x 220-240 V.
• Nominal current: 3.9 A.
• Starting current: 13.2 A, ensuring a quick start.
• Nominal driver speed: 2800 rpm, ensuring optimal performance.

Other Details:

With a net weight of 9 kg and a gross weight of 12 kg, the Grundfos JP 4-47 is a lightweight and easy-to-handle pump, facilitating installation and transport. It comes equipped with a 1.5-metre power cable and a SCHUKO plug, simplifying the electrical connection.

• Net weight: 9 kg.
• Gross weight: 12 kg.
• Cable length: 1.5 m, with SCHUKO plug for easy installation.

Environmental Compliance:

The pump complies with environmental standards such as WEEE, ensuring a sustainable approach in its manufacturing and recycling, minimising environmental impact.