MAI: Specialist grouting equipment in the toughest conditions
The MAI®400EX grout pump offers the highest levels of safety for underground mining
For the first time, functional safety and ATEX approval are combined in one single grout pump, making this the safest injection system available on the market. It holds an ATEX94/9EG certificate for hazardous areas EX I M2 150°C.
Safety functions include a pressure relief button to prevent accidental injury, thermal water flow and pressure monitoring, a dry running and overheating safeguard, as well as the overall antistatic and flame resistant design.
Easy to use and easy to maintain
It is designed for speed cleaning thanks to the use of electrically conductive and impact-resistant MAI®CODUR synthetic materials. All components are easily accessible for operating, cleaning, and maintenance. MAI® guarantees unique mixing quality and new levels of cleaning convenience in a grout pump.
Operator controls are centrally located for efficient mortar production. The ESA (Electronic Service Assistant) prevents unnecessary downtime by constantly indicating the operating status. Save time and enable easy grouting with the simple replacement of the progressive cavity pump.
Do you want to read more about the latest cement injection technologies? Download the brochure to find out more about the extensive range of high-tech MAI® grouting machines.
|Heavy Construction Tunnels, Dams, Shafts||cement, anchor mortars, premixed cement/sand/flyash mixes||soil & rock||-|
|anchor, rock bolts||-|
|Mining||cement, anchor mortars, premixed grouts||anchor, rock bolts||XXX|
|Geotechnical||cement, geothermal mortars, premixed grouts||geothermal||-|
|Building Construction||cement, premixed grouts||hollow filling-windows/doors||-|
|Restauration Repair||cement, premixed grouts, fireproofing, coating mortars, plasters/stuccos||spraying||-|
|topping/bonded overlays Endbeschichtungen||-|
-: not suitable | X: limited suitability | XX: suitable | XXX: very suitable
|Total system power||8 kW|
|Power input||500 V|
|Fuse||16 A||16 A|
|Protection class||ATEX 2014/34EU|
Group 1 Category M2 Temperature class 150°C
|Digital water meter system||included|
|Water pump||not available|
|Dimensions (LxWxH)||1995 x 890 x 1070 mm|
|Hopper capacity||75 Litre|
|Pump outlet size||2" NW25 Coupling System MAI®|
|Filling height||900 mm|
|Total weight||approx. 980 kg|
|Water pressure||min. 4 bar (when machine is in operation)|
|MAI®440EX - Flow Rate (Litre / Minute)|
|TYPE OF WORM PUMP||260 rpm||260 rpm||MAX. PRESSURE||MAX. PARTICLE SIZE|
|EX 210||32,5 l/m||36 bar||4 mm|
|EX 400||50 l/m||30 bar||4 mm|
Download the brochure to find out more!
Instantly clean, durable and robust
MAI®CODUR scores top marks in terms of efficiency, cleanliness and durability during the tool cleaning process. MAI®CODUR allows you to keep cleaning costs to a minimum for all our new and existing machines and tools. Just rinse with water, and the job is done – gently, effectively and quickly.Learn more