P 2.1L user manual V6840, version 3.6
Technical Data
35
Note:
The ball and position of the valves have been harmonized to each
other. Insert the valves in the direction of flow!
Technical Data
Procedure
Process
Figure
1. Insert the check valves
1
.
2. Manually screw in inlet and out-
let fittings and tighten them
with a torque wrench and the
respective torque.
Fig. 34
Check valve
2
1
3
Solvent delivery
Pump type
Preparative HPLC pump
Delivery system
Dual-piston pump
Flow rate range
100 ml pump head:
0.1 - 100 ml/min
250 ml pump head:
0.1 - 250 ml/min
500 ml pump head:
0.1 - 500 ml/min
1000 ml pump head:
0.1 - 1000 ml/min
Maximum pressure
100 ml pump head:
400 bar to 100 ml/min
250 ml pump head:
225 bar to 100 ml/min
Linear reduction: 225-200 bar of 100-
150 ml/min
200 bar of 150-250 ml/min
500 ml pump head:
100 bar to 500 ml/min
1000 ml pump head:
75 bar to 350 ml/min
Linear reduction: 75-50 bar of 350-
600 ml/min
50 bar of 600-1000 ml/min
Flow rate accuracy
±2 % at 2 – 50 % of the flow range with metha-
nol-water mixture (10/90, v/v)
Flow rate precision
< 0,1 % RSD
Gradient support
Isocratic HPLC pump
binary or ternary LPG system
binary HPG system with additional pump
System protection
P
min
and P
max
adjustable
