AP40 Submersible wastewater pumps

Grundfos has established itself as a market leader in pumping technology, with solutions spanning residential, commercial, and industrial applications. The AP Series is dedicated to submersible wastewater pumps that combine durability, performance, and ease of use.

The AP40 model is one of the most versatile units in this range. With its 0.7 kW motor options (both single-phase and three-phase), it offers dependable pumping performance in domestic drainage and wastewater handling.

The Grundfos AP40 stands out due to its practical design and robust engineering.

• Motor Power: 0.7 kW

• Phases: 1-phase and 3-phase models available

• Spherical Clearance: 40 mm (allows safe passage of solids, fibres, and textiles)

• Material Construction: Corrosion-resistant stainless steel and high-quality composite materials

• Application Range: Domestic, commercial, and light industrial wastewater systems

This combination of features makes it suitable for domestic wastewater pits, cellars prone to flooding, and even smaller industrial wastewater stations.

Domestic Wastewater Handling

The AP40 is ideal for residential properties, capable of handling wastewater containing fibres, textiles, and solids up to 40 mm. It’s often installed in:

• Basements and cellars prone to flooding

• Septic tanks and sumps

• Greywater and blackwater treatment systems

Industrial Wastewater Use

Small industries that generate wastewater with solid particles can benefit from the AP40’s robust impeller design. It can manage fibrous materials that often clog other pump types.

Construction and Infrastructure

In construction sites and municipal infrastructure projects, AP40 pumps provide temporary dewatering solutions, ensuring safety and productivity.

Motor Options

Available in single-phase and three-phase, the AP40 ensures compatibility with different electrical setups.

Spherical Clearance

With a 40 mm clearance, the pump easily handles fibres, textiles, and solid waste, minimizing the risk of clogging.

Durability and Reliability

Manufactured using high-grade stainless steel, the pump is resistant to corrosion, ensuring long service life even in harsh wastewater environments.

Site Preparation

• Ensure a properly sized pit or sump

• Verify electrical compatibility

• Install safety switches and controls

Pump Installation

• Place the pump on a stable, solid base

• Ensure correct electrical connections

• Install with non-return valves to avoid backflow

Routine Maintenance

• Inspect and clean the impeller regularly

• Check seals and bearings for wear

• Replace filters and screens when necessary

• High efficiency with low energy consumption

• Solid handling capacity for fibres and textiles

• Easy installation and maintenance

• Reliable Grundfos engineering

• Cost-effective solution for domestic and light commercial needs

Compared to other models in the Grundfos AP range and competitor brands, the AP40 stands out for:

• Superior solid-handling capabilities

• More compact motor power requirement

• Wide availability of spare parts and service support

At MHC, we combine our contracting expertise with the technological excellence of Grundfos. By choosing us, clients benefit from:

• Certified installation and support

• Access to comprehensive after-sales service

• A partner who understands electromechanical integration

Grundfos is globally recognized for its commitment to sustainability. The AP40 pump is designed to:

• Reduce energy consumption

• Minimize operational downtime

• Support eco-friendly wastewater management