MH1-MUD-HEN-web-1-1 MH1-MUD-HEN-web-2-1MH1-MUD-HEN-web-3-1MH1-MUD-HEN-web-4-1MH1-MUD-HEN-web-5-1

Mudhen Model 1.0

Product No. / SKU: MH-1


Made in the USA

The MUD HEN MH1 is the most effective portable slurry water recycling system made. It can fit in an elevator, through a standard 36″ door, and on a tommy gate lift. Over 200 gallons per hour of slurry water can be treated cleaning takes less than 3 minutes. Filter slabs are easily disposed of.

The MUD HEN MH1 dimensions: 32″ wide, 48″ long, 48″ high. Equipped with an air operated pump (Ingersoll Rand). The system needs a minimum of 8 scfm of air. The MudHen produces between 4 & 6 gallons per minute of clarified water. The MudHen holds 1 cubic foot of solids.

Every Mudhen is Individual Made. We do not stock them.
Likewise, a Mudhen can be individually altered…
Current Delivery Time is 2 – 3 weeks.

Volume of Compacted Solids – Cubic Feet – Holding Capacity of the Plates: 1 cubic feet
Slurry Processing Rate per Hour 240 gallons (4 – 6 gallons / minute)
Number of Filter Chambers 7

Size of Filter Chambers 16″ x 16″ x 2-1/4″
Compressor Air Line 3/8″ NPI Thread (standard)
Suction Input Line 1″ ID

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Product Details

The MudHen 1.0 is the smallest, most effective portable slurry water recycling system made. It can fit in an elevator, through a standard 36 door, and on a tommy gate lift.

Over 200 gallons per hour of slurry water can be treated, cleaning takes less than 3 minutes. Filter slabs are easily disposed of.

Equipped with an Ingersoll Rand air operated 1″ pneumatic pump. With 7 filter plates Model 1 requires a minimum of 8 CFM of air.

Model 1.0 produces between 4 and 6 gallons per minute of clear water, holding over 1.0 cubic feet of solids.

Over 50% faster slurry production / processing vs. the Mudhen Mini.

Dimensions (L x W x H): 48″ x 32″ x 48″

Weight: 670 lbs.

Ships on: 1 Pallet

Air Blow Down option for improved cake drying, 6″ Lock-In Rubber Casters :Yes, included

Filter Screen Efficiency Rating: Filter screens are rated at 1 – 2 microns nominal. If you absolutely must have 1 micron efficiency, a $120 Filter is available and it is attached to the “clear water” discharge outlet (with the filter installed, discharge will be 4 – 5 gallons a minute). The replacement filter media for this filter is $15.00 and it is typically replaced every one to three weeks.

Replacement Filter Screens: Intermediate cloth, $58.00; End cloth, $32.00. Typical replacement is every two years on concrete grinding, drilling and cutting applications. But they can last only one month if the concrete is allowed to harden on the screens (typically after a week). Once the concrete has harden in the pores of the screens, slurry water will not be able to pass through . . .

Symptoms of Needing New Filter Screens: As you are pumping slurry through the machine – up to 80 psi or so – the air pump will stall (which is normal, this also tells you that the filter chambers are full). But when you open or separate the filter chambers and you see that there is very little caking (debris) inside the chambers – mostly just slurry water. This means that the pores in the screens are closed and either need cleaned or replaced. As previously mentioned, they should be expected to be replaced about every two years.

Filter Screen Maintenance: We tell everyone to thoroughly clean the units at the end of the day including the screens and inside the chambers with a pressure washer – and especially if the unit is going to sit for a week or so.

MH Mini MH1 MH2 MH Max
dimensions (LxWxH) in inches 48x24x48 48x32x48 64x32x48 90x32x48
weight in lbs 480 670 670 830
peak processing speed in gallons per minute 2 gpm 6 gpm 12 gpm 21 gpm
air requirement to meet peak processing speed 5 scfm 8 scfm 15 scfm 20 scfm
filtration capacity in cubic feet .3 CF 1 CF 2 CF 3.5 CF
air blow down feature yes yes yes yes
suction line ID dimension 1″ id 1″ id 1″ id 1″ id
hydraulic jack 8 ton 20 ton 20 ton 20 ton
Ingersoll Rand pneumatic pump 1″ 1″ 1″ 1″
screens 3 7 13 23
  • Operation
  • How it Works: Set-Up, Basic Operation, Filtration Efficiency.

    • Mudhens are very simple and can be operated out of the box with virtually no reference to the instructions, although an easy to use owners manual and DVD is included.
    • Roll or position the Mudhen near the slurry.
    • Turn Operation Controller on the control panel to “off” position.
    • Connect air compressor hose to Mudhen’s air fitting.
    • Place the 1″ slurry intake hose into the container of slurry that needs processed.
    • Attach output hose and secure the end of the hose that the clear water will flow from (the hose end needs to be tied down, for at times it will buck and spray water.)
    • Adjust the Mudhen’s control regulator to a psi of 20.
    • Turn Operation Controller on, the system will begin to pump slurry through the Mudhen.
    • As back pressure builds in the Mudhen and the pump slows, increase the psi by 20 pound increments. This is done up to 80 psi, but not to exceed 80 psi.
    • The filter screens in the plates will capture the solids and the clean water exits the system through the output hose. The operator can leave the unit while it is processing slurry.
    • When the Mudhen’s pump sounds like it wants to stall or it pumps infrequently (or when the clear water being discharged is minimal or stops), this is your signal that the filter plates on the Mudhen are full. At this time caked solids need to be dropped . . .

    Removing the Caked Solids – Empting the Filter Plates.

    • Remove the slurry line from the sludge and allow the end to hang in the air so the pumps sucks air and pushes it into the filter plates. This purges any water from the pumping lines while air drying the fines contained within the filter plates. Allow it to operate this way for a minimum of 5 minutes (the longer it operates this way the drier the cake. It can operate this way with no damage to any of the components for any length of time.)
    • Turn Operation Controller “off” > Turn Operation Controller to “dry” > Turn Isolation Valve (in the center of the plumbing) to its “off” position (this will allow more air to travel through the plates for additional drying.)
    • Water will sputter out of the output hose for two minutes. When only air is being expelled, “open” the Isolation Valve.
    • Turn the Operation Controller “off” > Loosen the hydraulic jack pressure relief valve and unscrew in the extension nut on the jack to allow for clearance and to clean the screens on the filter plates.
    • Release the jack cylinder. Open the filter plates and clean the individual screens with the enclosed scraper. Avoid sharp objects on the cloth screens. As you open the filter plates, the caked debris is released and drops into a wheel barrel or tray. Manually pushed each filter plate back together. Set the jack cylinder. Open the air valve and the process automatically repeats as slurry waste begins to pumped through the plates.
    • The typical cycle to empty the filter plates and drop the caked plates, and then the reassembly is less than 10 minutes. At the end of the day the screens should be rinsed for storage to eliminate any debris or concrete build up.
    • After every 1 to 4 weeks depending on the nature of the slurry, pressure wash the cloth screens to ensure open and clean pores for proper filtering.

    Fast, High Productivity – Producing Solid Caked Plates & Crystal Clear Water


    Removing the ram on its iron hinge plate to releasing filter chambers.
    Hydraulic cylinder is tilted backwards on its hinge plate, filter chambers are released (pulled towards the operator), solid caked plates fall into the collection trays (3).
    Ram and compress-plate set for slurry processing.
    Hydraulic cylinder, compression-plate, filter chambers and collection trays (3) ready for slurry processing.
    Ram attached to iron "hingle" plate.
    Hydraulic cylinder is attached to iron hinge plate.
  • Why Choose a Mudhen?
  • Why Choose a Mudhen?

    Mudhen Logo - Slurry Compression / Filtration Machines. EASY TO USE

    The MudHen concrete water system is portable and utilizes large casters to easily move the unit around a job site. The concrete water equipment can be pushed into the jobsite by hand and doesn’t require a forklift. The press utilizes simple mechanical controls and heavy-duty construction to eliminate employee errors and problems. Concrete water recycling was never so easy!


    The concrete water system is built right here in the USA. All components are parts are interchangeable with standard components that are easily found. No more waiting for service and parts that originate from outside North America. The MudHen concrete water system is built to last, and when service is needed – components are carefully selected to minimize the downtime. The MudHen has the lowest cost of ownership for maintaining.


    The MudHen Model 1.0 Concrete De-Watering System comes standard at over 200 gallons per hour of processing capacity and can be easily accessorized with a larger compressor to handle over 500 gallons per hour of capacity. Model 1.0 will easily outpace most teams of concrete professionals that are sawing and grinding with industrial equipment, while the Mini Model keeps up to a (1) 30″ grinder on its initial cuts (which produce higher concentrations of solids).

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