PD 23.2 9” Twin Handle Diamond Floor Grinder
The REIFNA PD 23.2 9” Twin Handle Diamond Floor Grinder is a heavy-duty, single-phase floor grinder designed for efficient floor preparation across concrete and industrial surfaces. Capable of preparing up to 40m² per hour, this high-performing grinder combines powerful performance with effective dust control when connected to a suitable extraction vacuum. Featuring a direct-drive 1.5kW motor, a flexible coupling for reduced vibration, and a twin-handle design for improved control, the PD 23.2 delivers reliable surface grinding for contractors working on commercial, industrial, and refurbishment projects.
Key Features
- Heavy-duty 9” (230mm) diamond floor grinder for professional surface preparation
- Prepares up to 40m² per hour, depending on surface conditions
- Dust extraction hood for dust-controlled operation when used with a vacuum
- Adjustable rubber dust skirt for improved dust containment
- Floating alloy dust ring for better sealing on uneven floors
- Twin bar handle design for improved control and stability
- Tilt-adjustable handle for operator comfort
- Wheel height adjuster for precise grinding control
- Solid transport wheels for durability on-site
- Front lift handle for easier transport and positioning
- Flexible coupling system to reduce vibration during use
- Twin capacitors for reliable motor performance
- Supplied with a 9” multi-purpose grinding disc for concrete and factory floors
- Compatible with bolt-on mini plates and diamond discs for specialised grinding applications
- Manufactured in the UK
- Please note a bolt on backing plate (341061) will need to be purchased separately when also purchasing the mini plates
Why Choose the PD 23.2 9” Twin Handle Diamond Floor Grinder?
Fast and efficient floor preparation
The PD 23.2 can prepare up to 40 square metres per hour, making it ideal for contractors working on larger floor areas. Whether removing coatings, smoothing concrete or preparing factory floors, this machine delivers fast, consistent grinding performance.
Powerful direct drive motor
The 1.5kW direct drive motor provides reliable power for demanding floor preparation tasks while maintaining efficient energy use. The 110V version operates at 20A, while the 240V model runs on a standard 13A domestic supply, offering flexibility across different job sites.
Improved dust control for cleaner job sites
The machine features an adjustable rubber dust skirt and a floating alloy dust ring, which help contain dust even when grinding uneven surfaces. When connected to a suitable dust extraction vacuum, the grinder can operate virtually dust-free, helping improve site safety and cleanliness.
Stable and controlled grinding operation
The twin-bar handle design gives operators better control during grinding, while the tilt-adjustable handle and wheel-height adjuster allow the machine to be set for optimal working position and grinding pressure.
Low vibration for improved operator comfort
The integrated flexible drive coupling helps reduce vibration transferred to the operator. This not only improves comfort during longer grinding sessions but also enhances overall machine control.
Versatile grinding system for multiple applications
Supplied with a 9” multi-purpose diamond grinding disc, the PD 23.2 is ready for concrete and factory floor grinding straight out of the box. For specialist applications, the grinder is compatible with bolt-on mini plates and a wide range of diamond segments and grits, allowing it to tackle coatings removal, floor levelling and surface preparation tasks.
Upgrade Your Floor Preparation Equipment
The PD 23.2 is a reliable, high-performance solution for contractors involved in factory maintenance, refurbishment projects, concrete preparation and commercial flooring work.
To maximise performance, pair the machine with diamond grinding discs, bolt-on mini plates, and compatible dust extraction systems, all available from REFINA to support a wide range of grinding applications. Order online today or visit your local REFINA stockist to find the right grinding discs and accessories for your project.
Concrete & factory floor grinding
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Multi purpose grinding disc
The PD 23.2 comes complete with a H7 bond, 8 diamond segment grinding disc FOC.
Stock code:340033 Grit:40
- Grinding and levelling concrete
- Renovating floor paints and residues
- Factory floors maintenance and renovation
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Smoothing & finishing discs
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Diamond Metal Dot Pad
Stock code:315110 Grits:30-300
- Smoothing and finishing coatings and concretes
- Use wet or dry
- Renovating terrazzo, stone tiles and liquid screeds
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Resin Puck Plates
Stock code:340075 Steps:1-4
- Polishing & renovating stone tiles & terrazzo
- Polishing concrete surfaces
- 4 step polishing process
- Use wet or dry
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Adhesive & coating removal
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PCD Plate
Stock code:340083 Grit:PCD
- Removing bitumen coatings, adhesives and latex
- Use wet or dry
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PCD Chip Plate
Stock code:340084 Grit:PCD chip
- Grinding latex, cement residues, epoxies and thick paints
- Removing adhesives residues
- Use wet or dry
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Diamond grinding segments

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Medium Bond Plates
Stock code:340086 Grits:18-30
- Coarse grits for removal of paints & coatings
- Medium grits for grinding concrete & factory floors
- Soft & medium bonds for hard coatings & hard concrete
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Med-Hard Bond Plates
Stock code:340087 Grits:18-120
- Multi purpose grinding
- Prepping factory floors
- Use on pumped screed
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Hard Bond Plates
Stock code:340088 Grits:18-30
- Use on abrasive surfaces
- Grinding sand and cement screed
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This product will be despatched on a 48 hour pallet service, with prices starting from £79, depending on pallet size and destination.
For deliveries to Northern Ireland, the Channel Islands, Scottish Highlands & Isles will be calculated at checkout.