SK 40-50 Spurs
Construction Site Drainage Electric Pumps
from 2 to 3 HP

Speroni SK 40-50 - Submersible electric pumps for site drainage and civil engineering works

The SK 40-50 submersible electric pumps are designed for draining construction sites, civil engineering works, and professional applications requiring reliability, efficiency, and continuous operation. Made of cast iron and equipped with a robust high-chrome alloy impeller, these drainage pumps ensure high resistance in the most demanding working conditions. The top discharge system facilitates effective motor cooling during operation, while the double mechanical seal in silicon carbide (SiC/SiC) in oil bath helps ensure long component life and greater pump protection.

Available models

Selectable from the dropdown menu:

• SK 40 - 1.5
• SK 50 - 2.2

Operating limits

• Minimum suction level 120 mm
• Liquid temperature up to 35°C (for domestic use according to EN 60335-2-41)
• Max. liquid temperature: 50°C (for other uses)
• Maximum immersion depth 10 m (for domestic use according to EN 60335-2-41)
• Maximum immersion depth 25 m (with cable of adequate length)
• Continuous service with pump fully submerged

Motor

• 2-pole induction electric motor
• Three-phase 400V-50Hz
• Class F insulation
• IP 68 protection

Materials

• Pump casing: Cast Iron
• Motor cover: Cast Iron
• Impeller: Chrome Alloy
• Motor shaft: Stainless Steel
• Mechanical Seal: Silicon Carbide in oil bath

Functional specifications

SK 40-50 submersible electric pumps for site drainage

The SK 40-50 submersible electric pumps are professional drainage pumps designed to work efficiently in general drainage activities, on construction sites, in civil engineering, and in applications requiring water lifting and evacuation. The robust structure and technical configuration allow for continuous use with the pump fully submerged.

High-efficiency submersible drainage pumps

The SK 40-50 are designed to offer high efficiency and reliability during drainage operations. The top discharge allows for improved motor cooling, helping to maintain adequate operating conditions even during prolonged use. The presence of a double mechanical seal in silicon carbide in oil bath ensures a particularly wear-resistant solution and contributes to the electric pump's longevity.

400V three-phase motor with IP68 protection

The SK 40 and SK 50 electric pumps are equipped with a 2-pole induction electric motor, three-phase with 400 V - 50 Hz power supply. The motor features Class F insulation and IP68 protection, characteristics that make the pumps suitable for operation in conditions of complete immersion.

Resistant materials for professional applications

The construction of the SK 40-50 is designed to ensure robustness and resistance. The pump body and top cover are made of cast iron, while the impeller is made of a high-chrome alloy. The stainless steel motor shaft contributes to the resistance of the internal components. The silicon carbide mechanical seal in oil bath completes a configuration designed for reliable and long-lasting use.

Features

• Cast iron submersible electric pump
• Drainage for civil engineering
• Top discharge for improved motor cooling
• 2 or 3 HP three-phase motor
• Robust cast iron structure
• Chrome alloy impeller
• Double mechanical seal for long-lasting guarantee
• Immersion up to 25 m max
• High technical quality