Watson-Marlow 620R User Manual
Page 11
Watson-Marlow Bredel E-Manuals
http://www.watson-marlow.co.uk/pdfs-global/m-620r-gb-01.htm[02/02/2012 14:33:33]
Flow rates
Tube bore
Tube number - #
rpm
Pressure (+)
Suction (-)
Note: Flow rates quoted have been rounded for simplicity, but are accurate to within 5% -
well within the normal tubing-tolerance variation of flow rate. They should therefore be
taken as a guide. Real flow rates in any application must be determined empirically.
620R
Flow rates: Marprene, Bioprene (l/min)
mm
6.4
9.6
12.7
15.9
inch
1/4
3/8
1/2
5/8
#
26
73
82
184
8-76
0.10-1.0
0.20-1.9
0.32-3.0
0.42-4.2
8-77
0.10-1.0
0.20-1.9
0.32-3.1
0.42-4.2
8-83
0.10-1.1
0.20-2.1
0.32-3.3
0.42-4.5
17-83
0.22-1.1
0.43-2.1
0.68-3.3
0.90-4.5
47-237
0.61-3.1
1.2-5.9
1.9-9.5
2.5-11
50-251
0.65-3.3
1.3-6.3
2.0-10
2.7-11
52-259
0.68-3.4
1.3-6.5
2.1-10
2.8-11
Flow rates: Marprene, Bioprene (USGPM)
mm
6.4
9.6
12.7
15.9
inch
1/4
3/8
1/2
5/8
#
26
73
82
184
8-76
0.03-0.3
0.05-0.5
0.08-0.8
0.11-1.1
8-77
0.03-0.3
0.05-0.5
0.08-0.8
0.11-1.1
8-83
0.03-0.3
0.05-0.5
0.08-0.9
0.11-1.2
17-83
0.06-0.3
0.11-0.5
0.18-0.9
0.24-1.2
47-237
0.16-0.8
0.31-1.6
0.50-2.5
0.67-2.9
50-251
0.17-0.9
0.33-1.7
0.53-2.7
0.72-3.0
52-259
0.18-0.9
0.34-1.7
0.55-2.7
0.75-3.0
Flow rates: Silicone (l/min)
mm
6.4
9.6
12.7
15.9
inch
1/4
3/8
1/2
5/8
#
26
73
82
184
8-76
0.10-0.9
0.22-2.1
0.34-3.2
0.44-4.7
8-77
0.10-0.9
0.22-2.1
0.34-3.2
0.44-4.7
8-83
0.10-1.0
0.22-2.2
0.34-3.5
0.44-5.1
17-83
0.20-1.0
0.46-2.2
0.71-3.5
0.95-5.1
47-237
0.56-2.8
1.3-6.4
2.0-10
2.8-14
50-251
0.60-3.0
1.4-6.8
2.1-11
3.0-14