IMPA: 591637

Pneumatic Sump Pump 25-70 – Reliable Submersible Dewatering Solution

The Pneumatic Sump Pump 25-70 is a high-performance submersible sewage pump designed for demanding marine and industrial applications. Featuring a robust pneumatic motor and a semi-open impeller, this pump efficiently handles water containing small solids and fibers up to 14mm in diameter without clogging. With a rated flow of 25 m³/h and a maximum head of 70 meters, it delivers exceptional dewatering performance in confined spaces.

Engineered with a downward suction structure, the pump ensures reliable operation even with abrasive media, reducing wear and extending service life. Its compact and lightweight design, weighing only 45 kg, makes it easy to transport and install in various settings, including bilges, tanks, and construction sites. The pump operates on compressed air (0.3–0.7 MPa) and is safe for use in hazardous environments where electric pumps may pose a risk.

Key Features

Technical Specifications

SpecificationValue
Rated Flow Rate25 m³/h
Maximum Flow Rate40 m³/h
Rated Head70 m
Maximum Head90 m
Rated Air Pressure0.3–0.7 MPa
Rated Air Consumption3–6 m³/min
Noise Level78 dB
Water Outlet45 mm
Air Inlet26 mm
Air Outlet43 mm
Weight45 kg
Packing Size59 × 32 × 27 cm
Maximum Submerged Depth4 m
Maximum Liquid Temperature40°C
Working Environment Temperature2–40°C
Liquid pH Range4–10
Maximum Solid Particle Size≤ 14 mm
Maximum Liquid Density≤ 1.1 × 10³ kg/m³

Frequently Asked Questions

What is the maximum solid size the pump can handle?

The pump can handle solids up to 14 mm in diameter, making it ideal for water with small debris or fibers.

Can this pump be used in hazardous environments?

Yes, because it is pneumatically driven, it is safe for use in explosive or flammable atmospheres where electric pumps are not suitable.

What is the recommended air supply pressure?

The pump operates on compressed air at a pressure between 0.3 and 0.7 MPa (approximately 43 to 101 psi).

How heavy is the pump and is it portable?

The pump weighs 45 kg and has a compact packing size of 59 × 32 × 27 cm, making it relatively easy to transport and install.

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