Retsch PP 25 - Manual (Page 12)

Technical data
12
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4 Technical data
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4.1 Use of the machine for the intended purpose
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This manual hydraulic press for a 25-t pressure load is a Retsch laboratory
instrument and is suitable for, among other things, preparing samples for X-ray
fluorescence analysis and the potassium bromide pellet technique.
Safety discs made of polycarbonate and the ease in handling this press make it
very user-friendly.
The pressure gauge has a 0-40-t scale with increments of 0.5 tonnes. The
available working range amounts to a max. 147 mm.
(Spacing between the lower supporting space and the pressing face of the
threaded spindle)
The die tool can be evacuated with an appropriate pump and vacuum hoses. To
facilitate this, the die tool has a hose connection nipple for hoses with a nominal
width of 8 mm.
NOTE
This press is suitable only for pressing tablets in sizes of 1¼ inch (32 mm) and 40
mm and ejecting them out of the die tool. It accommodates die tools for tablets in
the sizes 1¼ inch (32 mm) and 40 mm.
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4.2 Feed size
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A fineness of <60µm or <40µm is recommended for the sample material for a
subsequent X-ray fluorescence analysis of the sample pellet.
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4.3 Pressure Range
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0-25 t
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4.4 Pressure Force
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Display (t)
Pressure on pellet in kg/cm
2
(pellet diameter in mm)
3 5 13 16 25 32 40
0.5 7151 2500 381 258 100 65 39
1.0 14290 5000 763 506 200 129 78
3.0 - 15000 2290 1518 600 386 234
5.0 - - 3890 2530 1000 645 390
10.0 - - 7630 5060 2000 1290 781
15.0 - - - 7590 3000 1935 1172
20.0 - - - 10120 4000 2580 1563
25.0 - - - 12650 5000 3225 1953
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4.5 Dimensions and weight
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