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    [prod_intro] =&gt; The RETSCH Disc Mill DM 200 is used for batchwise or continuous preliminary and fine comminution of medium-hard to hard-brittle solids (up to 8 Mohs). Thanks to its robust design, it can be used under rough conditions in laboratories and pilot plants, as well as online for the quality control of raw materials.
    [prod_examples] =&gt; bauxite,  chalk,  chamotte,  coal,  coke,  dental ceramics,  drilling cores,  glass,  gypsum,  sewage sludge,  sintered ceramics,  slag,  soils,  steatite,  ...
    [prod_advantages] =&gt; accurate gap setting for reproducible grinding results
short grinding times, high final fineness
observation window for checking the gap width
good grinding chamber accessibility
contamination-free grinding with grinding discs made from 4 different materials
grinding discs with long working life
simple operation
dust-free grinding and easy cleaning
maintenance-free 3-phase geared motor
approved safety (T&Atilde;弖, CE)
2 year warranty
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                    [value] =&gt; preliminary and fine grinding
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                    [title] =&gt; Feed material
                    [value] =&gt;  medium-hard,  hard,  brittle
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                    [title] =&gt; Size reduction principle
                    [value] =&gt; pressure, friction
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                    [title] =&gt; Material feed size*
                    [value] =&gt; &lt; 20 mm
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                    [title] =&gt; Final fineness*
                    [value] =&gt; &lt; 100 &Acirc;&micro;m
                )

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                    [title] =&gt; Speed at 50 Hz (60 Hz)
                    [value] =&gt; 440 min&lt;sup&gt;-1&lt;/sup&gt; (528 min&lt;sup&gt;-1&lt;/sup&gt;)
                )

            [7] =&gt; Array
                (
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                    [title] =&gt; Material of grinding tools
                    [value] =&gt;  zirconium oxide, hardened steel,  tungsten carbide,  manganese steel
                )

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                    [title] =&gt; Gap width setting
                    [value] =&gt; continuous, 0.1 - 5 mm
                )

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                    [title] =&gt; Collector capacity
                    [value] =&gt; 2.5 l
                )

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                    [title] =&gt; Drive
                    [value] =&gt; 3-phase geared motor
                )

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                    [title] =&gt; Drive power
                    [value] =&gt; 1.85 kW
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                    [title] =&gt; Protection code
                    [value] =&gt; IP 55
                )

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                    [title] =&gt; W x H x D closed
                    [value] =&gt; 440 x 400 x 870 mm
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                    [title] =&gt; Net weight
                    [value] =&gt; ~ 140 kg
                )

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                    [title] =&gt; Workplace related emission value
                    [value] =&gt; LpAeq 69.4 dB(A
                )

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            [1] =&gt; Material feed size*: &lt; 20 mm
            [2] =&gt; Final fineness*: &lt; 100 &Acirc;&micro;m
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    [prod_name] =&gt; Disc Mill DM 200
    [prod_intro] =&gt; The RETSCH Disc Mill DM 200 is used for batchwise or continuous preliminary and fine comminution of medium-hard to hard-brittle solids (up to 8 Mohs). Thanks to its robust design, it can be used under rough conditions in laboratories and pilot plants, as well as online for the quality control of raw materials.
    [prod_examples] =&gt; bauxite,  chalk,  chamotte,  coal,  coke,  dental ceramics,  drilling cores,  glass,  gypsum,  sewage sludge,  sintered ceramics,  slag,  soils,  steatite,  ...
    [prod_advantages] =&gt; accurate gap setting for reproducible grinding results
short grinding times, high final fineness
observation window for checking the gap width
good grinding chamber accessibility
contamination-free grinding with grinding discs made from 4 different materials
grinding discs with long working life
simple operation
dust-free grinding and easy cleaning
maintenance-free 3-phase geared motor
approved safety (T&Atilde;弖, CE)
2 year warranty
    [prod_principle] =&gt; In the DM 200 the feed material enters the dustproof chamber from the filling hopper and is fed centrally between two vertical grinding discs. A moving grinding disc rotates against a fixed one and draws in the feed material. The necessary comminution effects are generated by pressure and frictional forces. The progressively arranged grinding disc meshing first subjects the sample to preliminary crushing; centrifugal force then moves it to the outer regions of the grinding discs where fine comminution takes place. The processed sample exits through the grinding gap and is collected in a receiver. The gap width between the grinding discs is continuously adjustable and can be adjusted during operation in the range between 0.1 and 5 mm; an additional observation window is provided for checking the gap setting.

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                    [title] =&gt; Applications
                    [value] =&gt; preliminary and fine grinding
                )

            [1] =&gt; Array
                (
                    [ln] =&gt; 284
                    [title] =&gt; Field of application
                    [value] =&gt;  chemistry / plastics,  construction materials,  engineering / electronics,  glass / ceramics,  medicine / pharmaceuticals,  mineralogy / metallurgy
                )

            [2] =&gt; Array
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                    [ln] =&gt; 285
                    [title] =&gt; Feed material
                    [value] =&gt;  medium-hard,  hard,  brittle
                )

            [3] =&gt; Array
                (
                    [ln] =&gt; 286
                    [title] =&gt; Size reduction principle
                    [value] =&gt; pressure, friction
                )

            [4] =&gt; Array
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                    [ln] =&gt; 287
                    [title] =&gt; Material feed size*
                    [value] =&gt; &lt; 20 mm
                )

            [5] =&gt; Array
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                    [ln] =&gt; 288
                    [title] =&gt; Final fineness*
                    [value] =&gt; &lt; 100 &Acirc;&micro;m
                )

            [6] =&gt; Array
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                    [title] =&gt; Speed at 50 Hz (60 Hz)
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            [7] =&gt; Array
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                    [title] =&gt; Material of grinding tools
                    [value] =&gt;  zirconium oxide, hardened steel,  tungsten carbide,  manganese steel
                )

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                    [title] =&gt; Gap width setting
                    [value] =&gt; continuous, 0.1 - 5 mm
                )

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                    [title] =&gt; Collector capacity
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                )

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                    [title] =&gt; Drive
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                )

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                    [title] =&gt; Drive power
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                    [title] =&gt; Protection code
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                    [title] =&gt; W x H x D closed
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                    [title] =&gt; Net weight
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                    [title] =&gt; Workplace related emission value
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            [1] =&gt; Material feed size*: &lt; 20 mm
            [2] =&gt; Final fineness*: &lt; 100 &Acirc;&micro;m
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<title>Function & Features  : DM 200 : Disc Mills : Milling : Products : Retsch</title>
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		<div id="pageTitleProductOverview"><h1>Disc Mill DM 200</h1></div>

<div id="ProductOverviewPicture"><a href="uploads/sl/c080055eb8e639b205eee27766332837.jpg" class="lightwindow"><img src="typo3temp/pics/6048d06725.jpg" width="215" height="138" border="0" alt="" title="" /></a></div>

<a name="intro"></a>
<p id="ProductOverviewIntro">The RETSCH Disc Mill DM 200 is used for batchwise or continuous preliminary and fine comminution of medium-hard to hard-brittle solids (up to 8 Mohs). Thanks to its robust design, it can be used under rough conditions in laboratories and pilot plants, as well as online for the quality control of raw materials.</p>

<p class="subPageLink"><a href="uk/products/milling/disc-mills/dm-200/product-information/" >Product Information </a></p>
<p class="subPageLink"><a href="uk/products/milling/disc-mills/dm-200/versions-accessories/" >Versions & Accessories </a></p>

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<a name="examples"></a>
<a name="applicationExamples"></a>
<div class="foldBox light blue">
	<h4>Application Examples</h4>
	<div class="foldBoxContent">
		bauxite,  chalk,  chamotte,  coal,  coke,  dental ceramics,  drilling cores,  glass,  gypsum,  sewage sludge,  sintered ceramics,  slag,  soils,  steatite,  ...
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<a name="advantages"></a>
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	<h4>Product Advantages</h4>
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		<ul><li>accurate gap setting for reproducible grinding results</li><li>short grinding times, high final fineness</li><li>observation window for checking the gap width</li><li>good grinding chamber accessibility</li><li>contamination-free grinding with grinding discs made from 4 different materials</li><li>grinding discs with long working life</li><li>simple operation</li><li>dust-free grinding and easy cleaning</li><li>maintenance-free 3-phase geared motor</li><li>approved safety (Tﾃ弖, CE)</li><li>2 year warranty</li></ul>
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<a name="features"></a>
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	<h4>Features</h4>
	<div class="foldBoxContent" id="ProductOverviewFeatures">
		<table border="0" cellspacing="0" cellpadding="2" class="ProductOverviewFeatures">
					<tr>
				<td valign="top" width="40%">Applications</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">preliminary and fine grinding</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Field of application</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd"> chemistry / plastics,  construction materials,  engineering / electronics,  glass / ceramics,  medicine / pharmaceuticals,  mineralogy / metallurgy</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Feed material</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd"> medium-hard,  hard,  brittle</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Size reduction principle</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">pressure, friction</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Material feed size*</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">< 20 mm</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Final fineness*</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">< 100 ﾂｵm</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Speed at 50 Hz (60 Hz)</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">440 min<sup>-1</sup> (528 min<sup>-1</sup>)</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Material of grinding tools</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd"> zirconium oxide, hardened steel,  tungsten carbide,  manganese steel</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Gap width setting</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">continuous, 0.1 - 5 mm</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Collector capacity</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">2.5 l</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Drive</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">3-phase geared motor</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Drive power</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">1.85 kW</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Protection code</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">IP 55</td>
			</tr>
					<tr>
				<td valign="top" width="40%">W x H x D closed</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">440 x 400 x 870 mm</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Net weight</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">~ 140 kg</td>
			</tr>
					<tr>
				<td valign="top" width="40%">Workplace related emission value</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">LpAeq 69.4 dB(A</td>
			</tr>
							<tr>
				<td valign="top" width="40%">*depending on feed material and instrument configuration/settings</td>
				<td valign="top" width="60%" class="ProductOverviewFeaturesTd">&nbsp;</td>
			</tr>
				</table>
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<a name="functionPrinciple"></a>
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	<h4>Function Principle</h4>
	<div class="foldBoxContent">
		<img src="typo3temp/pics/cd552727e6.jpg" width="200" height="200" border="0" align=right alt="" title="" />In the DM 200 the feed material enters the dustproof chamber from the filling hopper and is fed centrally between two vertical grinding discs. A moving grinding disc rotates against a fixed one and draws in the feed material. The necessary comminution effects are generated by pressure and frictional forces. The progressively arranged grinding disc meshing first subjects the sample to preliminary crushing; centrifugal force then moves it to the outer regions of the grinding discs where fine comminution takes place. The processed sample exits through the grinding gap and is collected in a receiver. The gap width between the grinding discs is continuously adjustable and can be adjusted during operation in the range between 0.1 and 5 mm; an additional observation window is provided for checking the gap setting.<br />

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<p><small>Subject to technical modifications and errors</small></p>
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