Imer Step-Up 120 Spray & Grout Pump

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SKU: 1106180

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Product Details

Product Details

Imer Step-Up 120 Spray and Grout Pump Single Phase

The Imer Step-Up 120 grout pump is designed for the applications that need to be pumped and sprayed with more flow and pressure. A built-in, vertical shaft mixer sits atop the Step-Up 120 and discharges into the pump for an easy and practical way to fill the hopper. The 220v 2 h.p., motor and gearbox on the Mortarman 120 are ideal to handle the mixing a variety of materials.

Use almost any material with aggregate size 1/8" with single phase motor. Mix and pump at the same time

The Step-Up 120 comes standard with an IM25L stator which can handle up to 1/8 inch aggregate and produce up to 6.6 GPM and 450 PSI of pumping pressure. The Step-Up 120 is made to be towed on the road but also able to pass through 36" doorways. A dual diaphragm, maintenance-free compressor is used to provide the air flow for spraying applications.


  • The Step-Up's rotor/stator is turned by a 3 HP, 220 volt single phase motor using inverter technology. This allows the RPM's to range between 30 and 100, enabling the Step-Up 120 to be used for numerous applications and materials
  • Designed to be an all in one unit.
  • Easy to setup and easy to operate
  • does not require special electrical connections or an electrician to hook it up. All the motors combined are just under six horsepower and can operate on 16 Amps of 220 Volt single phase power.
  • Able to handle 1/8" aggregate
  • Free shipping from IMER factory warehouse

ModelIMER Step 120
Voltage/phase 220/single phase
Pump motor HP3 HP
Compressor flow rate9 CFM
Compressor HP1 HP
Screw pump RPM (IM25L)Variable from 30 - 100
Max aggregate size (IM25L)1/8"
Max Flow Rate6.6/0.9 GPM/cf
Max Pumping Distance.130 - 250 ft. material viscosity dependent.
Material flow rate6.6/0.9 GPM/cf
Hopper Capacity4.2 cf (31 gallons)
Mixer Capacity4.2 cf (31 gallons)
Mixer Motor2 hp
Weight870 lbs
Dimensions L x W x H 80 x 32 x 50 in
Shipping-FREEFreight Truck

Questions & Answers
4 questions

What is this used for?

The Step-Up series is ideal for materials that are pre blended or raw materials that need to be combined. It is good for materials that have polymers that need time in water to react. Usually around 2-3 minutes. It is also good for coarse sand and aggregates (**up to 3/8” with the 3-phase, 220V version only**).

What is the maximum height this machine will pump a stucco mixture?

The advertised maximum pump height for this product is 100 ft.

Can the Step-up 120 be used for slab jacking?

The Imer Step-up 120 can be used for sidewalk, slab jacking.

I don’t use premix materials for self leveling i like to mix on site and i use masonry/river sand, torpedo sand/concrete sand or crushed for money savings , will it work with this type of materials?

There are multiple factors that could affect the ideal mixture especially if you are conducting this on-site. Mixing on-site could pose more challenges, for example, you could experience more clogging especially with river sand. You will need to take into account your PSI and Rotar Stator which can differ your results. Also, note to be careful to not cut down too much on cementitious cement since that is not just your binder agent but your lubricant. We would recommend consulting with the manufacturer, Imer 301- 336-3700, since there is no easy answer.

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