Small Concrete Screw Pump

Engineered for confined workspaces and precise material placement, the Small Concrete Screw Pump functions as a compact, high-efficiency machine designed to handle fine stone concrete, floor screeds, and dense mortar formulations. By utilizing a progressive cavity design—where an internal steel rotor turns smoothly inside a precision elastomer stator—the unit continuously moves fluid materials forward without pressure surges. This steady mechanical action eliminates pipe clogging and material segregation, offering contractors a reliable alternative for urban remodeling, interior pouring, and detailed civil engineering projects.

Small concrete screw pump with flexible delivery hose manufactured by Dahan Machinery

Key Advantages Over Traditional Piston Pumps

While traditional piston pumps rely on reciprocating valves that cause surging pressure, screw-driven concrete pumps utilize a continuous rotational force to optimize material delivery. This fundamental engineering difference translates into several distinct operational benefits for modern contractors:

Two workers using a portable Dahan Machinery screw pump to lay floor screed over heating pipes on a construction site.

Pulse-Free Continuous Flow: The continuous screw action delivers a smooth material stream, preventing pressure spikes, hose whipping, and pipeline blowouts.
Superior Aggregate Management: Engineered for fine concrete and heavy mortar, preventing material separation or internal clogs during transit.
Flexible Jobsite Mobility: Built with a compact, lightweight footprint to navigate narrow indoor corridors and tight working zones easily.
Low Upkeep and Fast Cleanup: Simplified mechanical components and quick-flush hoppers drastically reduce daily labor and maintenance overhead.

Technical Specifications and Model Options

Performance profiles and configuration grades vary to match specific aggregate thresholds and pumping distances. Review the operational breakdown below:

Specification Item	CS-10 Model	CS-20 Model	CS-30 Model
Operating Voltage	220V (Single-Phase) / 380V (Three-Phase)
Drive Power Rating	3.0 kW	5.5 kW	7.5 kW
Hourly Output Volume	5 - 8 m³/h	8 - 12 m³/h	12 - 15 m³/h
Max Aggregate Granularity	≤ 10 mm	≤ 15 mm	≤ 20 mm
Max Delivery Reach	60m (Horiz) / 15m (Vert)	100m (Horiz) / 30m (Vert)	150m (Horiz) / 45m (Vert)
Hopper Capacity	45 Liters	75 Liters	100 Liters
Operating Temperature	-25°C to +40°C

Primary Applications in Construction and Engineering

Built for versatile material handling, this pumping system adapts seamlessly to various heavy-duty and light construction environments:

Structural Column and Lintel Pouring: Highly effective for filling confined formworks during residential and commercial secondary structure construction.
Floor Screeding and Underfloor Heating: Facilitates the smooth transfer of fluid leveling compounds and lightweight aggregate mixes across large floor spans.
Wall Rendering and Spray Applications: Connects with specialized spray equipment to streamline internal plastering, mortar coating, and fireproofing tasks.
Grouting and Micro-Tunnel Support: Delivers controlled pressure injection required for slope stabilization, anchoring, and utility tunnel maintenance.

A worker on a construction site uses a portable concrete pump with a red hose to fill a column formwork.

Structural Column and Lintel Pouring

Wide shot of an indoor floor screeding project with workers using a Dahan Machinery screw pump over red underfloor heating pipes.

Floor Screeding and Underfloor Heating

A worker in a tunnel uses a portable Dahan Machinery screw pump for controlled grouting and slope stabilization.

Grouting and Micro-Tunnel Support

A worker applies a smooth mortar render to a wall using a spray gun connected to a Dahan Machinery pump.

Wall Rendering and Spray Applications

See the Equipment in Action

Watch how the continuous screw mechanism ensures smooth material transfer and reliable performance on-site:

Standard Accessories and Flexible Delivery Hose Setup

Every pumping unit comes equipped with a matched toolkit and durable hose configurations to ensure rapid deployment and reliable performance on-site:

High-Durability Delivery Hoses: Flexible wear-resistant rubber lines designed to withstand continuous operating pressure while remaining easy to coil and transport.
Quick-Connect Camlock Fittings: Secure, leak-proof metal couplings that allow workers to extend or dismantle pipeline runs within minutes.
Multi-Purpose Spray Nozzles: Interchangeable nozzle attachments tailored for specific tasks, ranging from flat-surface rendering to targeted cavity filling.
Maintenance and Tool Kit: Essential spare rotors, sealing rings, cleaning sponges, and standard hand tools required for routine on-site upkeep.

Standard accessories and flexible red delivery hoses for the Dahan Machinery concrete screw pump displayed on a construction site.

Customization and OEM Options for Global Buyers

To meet diverse regional electrical standards and unique project branding requirements, we offer flexible manufacturing support for international clients:

Voltage and Frequency Adaptation: Electrical configurations can be tailored to match regional grids, supporting custom voltages, phases, and frequency ratings.
Private Label and Branding: Custom machine colors, engraved nameplates, and branded operational manuals are available for distributors and equipment brands.
Hopper and Chassis Variations: Structural adjustments can be made to hopper capacities, wheel assemblies, and towing frames based on jobsite mobility needs.
Tailored Component Selection: Options to specify preferred motor brands, wear-resistant stator materials, or specialized pipeline couplings upon request.

Customizable Dahan Machinery concrete screw pump options showcasing different motor configurations, colors, chassis styles, and wear-resistant stators.

Frequently Asked Questions (FAQ)

What types of materials can this screw pump handle?

It is engineered specifically for fine aggregate concrete, floor screeds, self-leveling mortar, masonry grout, and fireproofing materials with controlled aggregate sizes.

How does a screw pump differ from piston pumps?

Screw pumps utilize a continuous rotational progressive cavity mechanism that delivers a smooth, pulse-free material flow, eliminating the sudden pressure spikes common in piston pumps.

Is the machine easy to clean after operation?

Yes, it features an accessible hopper design and quick-connect components, allowing workers to flush the pipeline and clean internal wearing parts rapidly with water.

Can it be operated on standard residential power?

Models are available in both 220V single-phase for light-duty indoor tasks and 380V three-phase configurations for heavy commercial and industrial jobsites.

Get Expert Technical Support & Custom Pricing

Looking for the right configuration for your next jobsite? Speak with Dahan Machinery engineers to discuss custom voltage requirements, aggregate capacities, or bulk distributor pricing.