Mono Pumps, a once part of Ingersoll-Dresser Pumps (IDP) and recently acquired by National Oil Well (NOV) , is headquartered in Manchester, England with offices located thru out the world. Mono originally focused mainly in the municipal wastewater treatment, pulp and paper, mining and chemical process industries. ACCA Pumps manufactures Spare parts to fit Mono Pumps at a low cost alternative. Our product range will fit most models of Monoflo Pumps.
A review of their current product lines is as follows:
Monoflo “E” Range
Element Sizes and Stages
| Element | Stages | GPl\1/100 REV | Max. Capacity |
| 04 | 1,2_,4 | 6.6 | 63 GPM |
| 05 | 1, 2, 4 | 13.0 | 102 GPM |
| 06 | 1,2,4 | 22.5 | 158 GPM |
| 07 | 1, 2, 4 | 36.5 | 217 GPM |
| 08 | 1,2,4 | 51.5 | 257 GPM |
| 09 | 1, 2 | 67.7 | 305 GPM |
| 10 | 1, 2 | 103.0 | 413 GPM |
| 12 | 1,2 | 191.0 | 651 GPM |
| 15 | 1, 2 | 352.0 | 950 GPM |
| 20 | 1 | Unknown | Unknown |
Drive Ends
– Six drive ends all designated by the letter “E”.
Materials of Construction
– Cast iron or 316 stainless steel.
– Mild steel and stainless steel internals, including shaft.
– Nitralloy, stainless steel and tool steel rotor.
Available Stator Materials
– Natural rubber
– Nitrile.
Configurations
– Standard flange only.
Current Special Features
– Various stator elastomers.
– Flexishaft drive train. Low cost, light duty drive arrangement.
– Flexishaft shroud. Prevents ragging caused by stringy, fibrous material wrapping around flexishaft.
– Run-dry protection. Protects the pump from damage caused by no-flow conditions.
– Single/double mechanical seal. Used when absolutely zero leaking at the shaft is desired.
Monoflo “B” Range (Close-Coupled)
Element Sizes and Stages
| Element | Stages | GPMJI00 REV | Max. Capacity |
| B031 | 1,2 | 1.S | 27GPM |
| B041 | 1,2 | 6.4 | 64GPM |
| BOSI | 1, 2 | 12.S | 102 GPM |
| B061 | 1,2 | 22.0 | 154 GPM |
| 6071 | 1,2 | 36.0 | 216 GPM |
| BOSI | 1,2 | 50.0 | 253 GPM |
| B091 | 1, 2 | 70.0 | 315 PM |
| BIOI | 1,2 | 103.0 | 412 GPM |
Pressure Capabilities
– 1 stage, 6 bar, 87 psi.
– 2 stage, 12 bar, 175 psi.
Materials of Construction (Housing and Internals)
– Cast iron/tool steel.
– Stainless steel/stainless steel.
Available Stator Materials
– Mat code “RA”, Nitrile.
– Mat code “RR”, natural rubber.
Configurations
– Close-coupled only.
— Mechanical belt drive.
— Fixed speed gearbox.
Optional Features
– Feature: Vertical discharge flange.
– Benefit: Holds small amount of liquid in pump for start up.
Monoflo Merlin
Element Sizes and Stages
| Element | Stages | Est. Max. Flow |
| AA | 1,2 | 8GPM |
| AB | 1, 2 | 30GPM |
| AC | 1, 2 | 66GPM |
| AE | 1, 2 | 110 GPM |
| AF | 1, 2 | 165 GPM |
| AG | 1, 2 | 264 GPM |
Close-Coupled
| Element | Stages | Est. Max. Flow |
| DA | 1 | 8GPM |
| DB | 1 | 30 GPM |
| DC | 1 | 66 GPM |
| DE | 1 | 110 GPM |
Open Throat
| Element | Stages | Est. Max. Flow |
| CB | 2 | 5GPM |
| CC | 2 | 18 GPM |
| CE | 2 | 42 GPM |
| CF | 2 | 50GPM |
| CG | 2 | 75 GPM |
| CJ | 2 | 132 GPM |
| CK | 2 | 220 GPM |
Pressure Capabilities
– Bare shaft
–140 psi (molded to metal).
— 130 psi (free molded).
– Open throat
— 17 psi.
– Close-coupled
— 87 psi.
Materials of Construction (Housing and Internals)
– Cast iron/tool steel.
– Stainless steel! stainless steel.
Elastomers Available
– Information not available.
Configurations
– Bare shaft.
– Close-coupled.
– Open throat.
Optional Features
– Baseplates and drives.
– Mechanical seals.
– Pressure relief valves.
– Vertical discharge port.
– Bridge breakers.