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The Mighty Small 50 is named for its size and not for its functionality. This pump/sprayer runs on 110v has a digital panel, rheostat control which raises or lowers the screw rpm, 12 gallon hopper, remote control, and a list of optional accessories for every application. If you spray, pump or both then you cannot look past this beauty of a machine. Don't underestimate its size or its name! | |
| Imer Small 50 Base Unit | Mighty Small 50 Base Unit $5299.00 |
The Mighty Small 50 can operate continuously on 110V 20 amp service. This machine has the ability to spray or pump up to 3.5 gallons of material per minute through 85' of 1" hose. The versatility of the Mighty Small 50 is very impressive, you can spray fireproofing, pump grout into door jambs, fill moulds at precast plants, spray stucco onto residential homes and apply grout to finish rock walls. An easy to use, easy to clean money making machine. | |
Small 50 shown with optional compressor, vibrating screen and bag squeezer. |
| Hopper Capacity | 12.5 Gallons |
| Loading Height | 25" |
| Motor Rating | 1-3/4 HP 110V 18 amp |
| Stator Screw RPM | Variable Rheostat Control, 8-140 RPM |
| Material Flow Rate | 2-3.5 GPM |
| Max. Pumping Distance | 3/4" hose-50', 1" hose-85' |
| Weight | 150 lbs. |
| Length | 44" |
| Width | 20" |
| Height | 25" |
Supplied with each Mighty Small 50
Mighty Small 50 Base Unit $5299.00
The pump is sold separately from the application kits as the kit chosen depends upon the work needed to be performed.
Oil-less, maintenance free and continuous duty. | The compressor must be purchased if you want to both pump and spray material. The compressor is expensive because it is an all aluminum, twin diaphragm low pressure, high volume continuous duty 110 volt unit. It is light, strong, and reliable. This compressor is also set-up and calibrated to operate as per the instructions of the Mighty Small 50 computer. It is maintenance free as it can operate without an oil reservoir. Small 50 Compressor $1699.00 |
The vibrating screen is used where loose sand, which may contain foreign matter, is added to cements. | The vibrating screen prevents materials from clumping up when they are poured into the hopper. It also catches all debris which is 5/16" or more in size. (Small stones etc. etc. etc.) Small 50 Vibrating Screen $699.00 |

16' of 1" hose with cam coupling P/N:1107527 $179.00
33' of 1" hose with cam coupling P/N:1107526 $239.00
50' of 1" hose with cam coupling P/N:1107525 $289.00
33' of 1/2" air hose with Chicago fittings P/N:1107531 $122.20
50' of 1/2" air hose with Chicago fittings P/N:1107532 $148.20
Sprays overhead or into hard to reach spaces, includes a Koine gun P/N: 1107549
5" wand extension $359.00

Allows the pump hose to be hung in place while hollow cavities are filled with material. P/N: 1107570
Pipe Hook $109.00

Model # 1107540 $284.70

Stucco and fine coatings gun only with several tips.
Model # 1107011 $459.00

This pistol style tuck pointing gun connects electronically to the Small 50 Pump and stops and starts as you release or close the pistol lever. Tuck point quickly with control and speed.
Model # 1107504 $549.00
Standard Green Stator/Rotor – Standard stator/rotor is good for up to 3.5 gallons a minute and 300 psi.
Accessory Yellow Stator/Rotor – Accessory stator/rotor is good for up to 1.5 gallons a minute and 400 psi, use when slower flow or higher pressure is needed.
To apply materials whether just pumping, or spraying and pumping, you must have an application kit. This kit will include the hoses, the application gun, and various pattern caps and nozzles for the end of the application gun.
For spraying rough coats, decorative forms, fireproofing, etc.
This gun is used for heavy materials such as fire-proofing and mortars |
Premix/Fire Proof Kit $749.00 |
For tuck pointing machine click here.
This gun is used to apply coatings like acrylic stucco, elastomeric and paints |
Fine/Stucco/Tuck Kit $749.00 |

Injection Kit; Adjustable pressure regulator to fill or jack walls, floors, etc. Model# 1107006
Injection Kit $1299.00
The Mighty Small 50 made by IMER USA is ideal for pumping and spraying stucco, mortars, grouts, fireproofing, paints, coatings and restoration and waterproofing products. It is powered by 110v with inverter technology.
The IMER USA Small 50 pump and Mortarman 120 can mix, pump and spray Thoroseal with ease. Many times faster than traditional methods, application with a brush. The Small 50 is not just a sprayer for Thoroseal but can be used for many other applications such as: waterproofing, concrete repair mortars, pointing, slab jacking, stucco, acrylic stucco, elastomeric coatings, plaster, fire-proofing, etc.
SMALL 50 Usage
This video shows the many spray and pump applications of the IMER USA Small 50 rotor/stator pump. The Small 50 runs on 110v and utilizes a power inverter to supply the smooth power.
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