DIMMINUTOR® Grinder
DIMMINUTOR® Grinder
The DIMMINUTOR® is a powerful channel grinder designed to protect wastewater and industrial pumping systems by reducing solids, wipes, plastics, and debris into fine particles. Built with a rugged stainless steel construction and high-torque cutting system, it delivers reliable performance, low maintenance, and uninterrupted flow in demanding applications. Ideal for wastewater treatment plants, pump stations, and industrial processing facilities.
Further advantages include:
- Powerful channel grinder with a straight-through open channel design for efficient solids reduction and uninterrupted flow.
- High-torque, continuously rotating cutters effectively shred plastics, wipes, wood, disposables, and other tough debris into fine particles.
- Rugged stainless steel construction with Franklin Miller’s Clear-slot™ system helps prevent screen clogging and ensures reliable long-term performance.
- Easy-maintenance cantilevered design with individually replaceable cutters and no bottom seals or bearings near the gritty channel floor.
- Flexible installation options for channels, wet wells, and water inlets, with submersible, hydraulic, and explosion-proof drive configurations available.
Performance Specification
DIMMINUTOR® Grinder

| Model Number | HP (kW) | A (mm) | B (mm) | C (mm) | D (mm) | CAPACITY Max MGD (m3/hr) | Flow GPM (l/s) |
|---|---|---|---|---|---|---|---|
| DM15 | 2.2 | 575 | 1473 | 483 | 387 | 790 | 70 - 680 |
| DM20 | 2.2 | 699 | 1626 | 737 | 610 | 1260 | 130 - 1010 |
| DM25 | 2.2 | 889 | 1829 | 889 | 737 | 2050 | 210 - 1500 |
| DM36 | 2.2 | 1133 | 2134 | 1194 | 1067 | 3610 | 370 - 2710 |
| DM36XF | 3.7 | 1473 | 2845 | 1194 | 1067 | 5050 | 550 - 3920 |
| DM42 | 3.7 | 1473 | 2845 | 1346 | 1194 | 6200 | 720 - 5190 |
Explore Features and Benefits

Superior Solids Reduction Performance
The DIMMINUTOR® uses three intermeshing bidirectional rotary cutters combined with a precision sizing screen to achieve complete and controlled solids reduction — even with wipes, plastics, and fibrous materials.

Designed for Low Maintenance & Long Service Life
Its cantilevered design removes the need for bottom seals and bearings near gritty channel floors, reducing wear, maintenance requirements, and costly downtime.

High Quality Control System
An s250 Control System monitors unit operation and automatically cycles the grinder in case of an overload condition. This industrial control panel is supplied complete with a NEMA 4X FRP enclosure and 100,000 hour life LED indicators
Videos
The Franklin Miller difference
The DIMMINUTOR® provides automatic screening and grinding of liquid-borne solids with a straight-through open channel design. This unit reduces plastics, wood, vegetable matter, disposables, and other oversized items to a fine particulate. The DIMMINUTOR’s unique features, heavy precision construction, dependable operation and simplified maintenance have earned it a solid reputation amongst operators and specifying engineers worldwide.
Find out how to improve your system with Franklin Miller Grinders.
Listen to what Dimminutor owners say about their investment
The DIMMINUTOR® provides automatic screening and grinding of liquid-borne solids with a straight-through open channel design. This unit reduces plastics, wood, vegetable matter, disposables, and other oversized items to a fine particulate. The DIMMINUTOR’s unique features, heavy precision construction, dependable operation and simplified maintenance have earned it a solid reputation amongst operators and specifying engineers worldwide.
Find out how to improve your system with Franklin Miller Grinders.
Our expert team is standing by for any questions you have about how best to configure your pump system.
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Contact Form
Our Team is available to answer your pump query within the hour.
21-23 Clyde Street,
Rydalmere NSW 2116

