3.5 Accessories
P
acking extension tube
Packing extension tubes are available for all BPG columns. The packing tubes are made
of glass for BPG 100 to 300, and of stainless steel for BPG 450. The illustration below
shows two examples of extension tubes.
Pressure relief valve
T
he pressure relief valve is connected between the pump and column inlet. It releases
pressure if the calibrated value is exceeded. It is to be used if the column may exceed its
design pressure and no other safety equipment is included in the chromatographic
system to prevent this.
Air trap
The air trap kit includes the air trap, bracket, steel valves, clamps and gaskets.
For air traps for BPG 100, 140 and 200, tubing is included. A manually operated valve is
recommended at the top of the air trap as an air outlet control.
Pressure gauge kit
The pressure gauge kit contains a pressure gauge, T-junction, and necessary clamps
and gaskets for sanitary connections.
3 Column descriptions
3
.5 Accessories
BPG Columns Operating Instructions 29193223 AB 31
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