b&m Portable Screw Pump BM 7 Series (Made in Germany) – Compact Power for Grouting, Mortar, Fireproofing, and More

The b&m Portable Screw Pump BM 7 Series, made in Germany, is a compact and robust pumping system designed for professional handling of viscous and flowable construction materials. Whether you're working with cementitious grouts, mortars, fireproofing materials, waterproofing slurries, or adhesives, this screw pump delivers reliable, efficient, and smooth material flow on demand.

Built for contractors who demand high performance on every job site, the BM 7 Series combines German engineering precision with on-site practicality, making it ideal for grouting, injection, spraying, and conveying tasks in construction, infrastructure, and industrial projects.

⚙️ Key Technical Specifications

Feature	Details
Pump Type	Progressive Cavity Screw Pump (Worm Pump)
Country of Origin	Germany
Motor Power	Approx. 1.5 – 2.2 kW (depending on model variant)
Flow Rate	Up to 12 liters/min (material dependent)
Max Pressure	Up to 25 bar
Hose Diameter	DN19 to DN25
Pump Distance (Horizontal)	Up to 30 meters
Pump Height (Vertical)	Up to 15 meters
Hopper Capacity	20–30 liters (depending on configuration)
Weight	Approx. 45–55 kg
Power Supply	230V / 50 Hz (single-phase)
Portability	Wheeled frame with ergonomic handles

🧱 Materials the BM 7 Can Handle

Engineered for versatility, the BM 7 Series can effectively handle a wide range of materials, including:

Cementitious grouts
Pre-mixed mortar
Self-leveling compounds (SLC)
Fireproofing mortars and slurries
Epoxy and polyurethane-based fillers (with compatible accessories)
Waterproofing and crack injection materials
Tile adhesives and bonding slurries
Cement slurries for underpinning or curtain injection

This makes the BM 7 an indispensable tool across multiple trades, from general contractors and repair technicians to specialist applicators in fireproofing and industrial flooring.

🔧 Key Features and Benefits

✅ German-Made Reliability

Engineered and manufactured in Germany, the BM 7 Series is constructed with premium components and rigorous quality control, ensuring long service life and low maintenance even in tough site conditions.

✅ Progressive Cavity (Screw) Pumping Mechanism

The worm pump (progressive cavity type) design allows for continuous, smooth, and low-pulsation pumping, minimizing material separation and delivering consistent output pressure, ideal for precision applications like grouting or injection.

✅ Compact and Portable

Despite its high power, the BM 7 Series remains lightweight and compact. Its wheeled base and carry handles allow for effortless mobility on construction sites, making it suitable for indoor and tight-space projects.

✅ Variable Speed Control

Equipped with variable-speed motor control, this pump allows you to adjust flow rate and pressure depending on the viscosity of the material and site requirements. This provides unmatched flexibility for a variety of materials and applications.

✅ User-Friendly Operation and Maintenance

The pump is designed with easy access to components, making cleaning and part replacement quick and hassle-free. This is particularly useful when switching between material types or performing daily maintenance tasks.

🏗️ Typical Applications

The BM 7 Series is used across a wide range of industries and project types:

Construction and Civil Engineering – for structural grout injection, column repair, and waterproofing
Industrial Flooring – for SLC, epoxy underlayments, and tile adhesives
Fireproofing Contractors – for pumping and spraying fire-retardant materials
Tunneling and Mining – for crack sealing, void filling, and support grout application
Restoration Projects – ideal for injecting repair mortars into heritage structures

Its flexibility and precision make it a preferred choice for contractors handling delicate materials, fast-setting grouts, or high-viscosity slurries.

🔧 Compatible Accessories (Sold Separately)

Additional rotor/stator sets
Pressure control valves and gauges
Nozzles for spray applications
Hose kits in various lengths and diameters
Remote on/off switch for convenience
Cleaning kits and maintenance tools

These add-ons help customize the BM 7 pump for specific job requirements and improve workflow efficiency.

✅ Conclusion: Professional Pumping Power in a Portable Package

When it comes to performance, reliability, and versatility, the b&m Portable Screw Pump BM 7 Series (Made in Germany) delivers on all fronts. It’s an essential tool for professionals needing a rugged, easy-to-operate, and compact pumping solution for grouts, mortars, and specialty construction materials.

Engineered for results and trusted across industries, the BM 7 is the right choice for your next high-performance application. Whether you're applying fireproof coatings or pumping epoxy mortar, this machine gives you complete control and maximum uptime on the job.

Technical Specifications

Advantages:

-Easy to transport (19kg without compressor)

-Wide range of application

-Especially for renovation

-Robust and easy to service

-Detachable into parts

-Quick cleaning

-Rewind gear for pressure discharge

-Output step-less adjustable

-Also suitable for spray application & renovation grouting

-Maximum working pressure: 20bars