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2018- Chromatography Column, with PTFE Valve, Fritted Disc and Flow Control Adapter
Improved low pressure (maximum recommended pressure 7 psig) medium wall
chromatography column with reservoir. Provides a number of advanced
features including a PTFE insert with a locknut that attaches the flow control
valve to the column. Top closure is a 45mm thread providing a positive
reliable connection. Bottom stem breakage is eliminated because the valve
and exposed drip stem is all PTFE. Supplied complete with Bottom Valve
assembly, 45mm cap, PTFE Insert, Lock Nut, O-Ring seal and Flow Adapter.
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Article No.
|
Column ID x Length (mm) |
Reservoir Capacity |
Valve Size |
Nominal Volume (mL) |
Price (ea) |

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| 2018-02 |
11x250 |
200 |
2 |
22 |
$150.00 |
| 2018-04 |
15x250 |
250 |
2 |
40 |
160.00 |
| 2018-06 |
19x300 |
250 |
2 |
80 |
170.00 |
| 2018-08 |
25x300 |
250 |
2 |
150 |
175.00 |
| 2018-10 |
50x300 |
500 |
4 |
560 |
180.00 |
| Replacement Parts |
| 2018-22 |
11x250 Column Only |
70.00 |
| 2018-24 |
15x250 Column Only |
80.00 |
| 2018-26 |
19x300 Column Only |
82.00 |
| 2018-28 |
25x300 Column Only |
85.00 |
| 2018-30 |
50x300 Column Only |
92.50 |
| 2018-40 |
Flow Control Adapter |
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| 2018-42 |
PTFE Body, with Vent |
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| 2018-44 |
Flow Adapter Lock Nut |
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| 1098-10 |
45mm Cap with Hole, 10/pk |
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| 4451-42 |
2mm Straight Thru PTFE Valve |
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| 4451-44 |
4mm Straight Thru PTFE Valve |
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| 8658-24 |
4mm Flow Control Valve, PTFE |
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2020- Chromatography Column, with PTFE Valve and Flow
Control Adapter
Similar to Article
No. 2018 except without fritted disc. Supplied complete with Bottom Valve
assembly, 45mm cap, PTFE Insert, Lock Nut, O-Ring seal and Flow Adapter.
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Article No.
|
Column ID x Length (mm) |
Reservoir Capacity |
Valve Size |
Nominal Volume (mL) |
Price (ea) |

|
| 2020-02 |
11x250 |
200 |
2 |
22 |
$138.25 |
| 2020-04 |
15x250 |
250 |
2 |
40 |
142.35 |
| 2020-06 |
19x300 |
250 |
2 |
80 |
152.50 |
| 2020-08 |
25x300 |
250 |
2 |
150 |
154.85 |
| 2020-10 |
50x300 |
500 |
4 |
560 |
158.75 |
| Replacement Parts |
| 2020-22 |
11x250 Column Only |
65.50 |
| 2020-24 |
15x250 Column Only |
71.25 |
| 2020-26 |
19x300 Column Only |
80.00 |
| 2020-28 |
25x300 Column Only |
82.25 |
| 2020-30 |
50x300 Column Only |
95.75 |
| 2020-40 |
Flow Control Adapter |
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| 2020-42 |
PTFE Body, with Vent |
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| 2020-44 |
Flow Adapter Lock Nut |
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| 1098-10 |
45mm Cap with Hole, 10/pk |
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| 4451-42 |
2mm Straight Thru PTFE Valve |
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| 4451-44 |
4mm Straight Thru PTFE Valve |
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| 8658-24 |
4mm Flow Control Valve, PTFE |
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2022 - Chromatography Column, with Fritted Disc.
This flash chromatography column is designed for rapid preparative
separations. This column is relatively inexpensive to setup and operate
compared to other systems. Columns and reservoirs are safety coated to
protect from abrasions. All connections are made with positive screw
threads thus eliminating the problems and costs associated with ground glass
ball joints and clamps. Only PTFE and glass come in contact with
solvents. A complete column consists of a column, reservoir, flow control
adapter, quick disconnect fitting and coupling. ALL ITEMS ARE SOLD
SEPARATELY.
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Article No.
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Column ID x Length (mm) |
Thread Size |
Valve Size |
Nominal Volume (mL) |
Price (ea) |

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| 2022-02 |
10 x 500 |
GL-32 |
2 |
40 |
$80.00 |
| 2022-04 |
20 x 500 |
GL-32 |
2 |
14 |
82.50 |
| 2022-06 |
30 x 500 |
GL-45 |
2 |
33 |
84.25 |
| 2022-08 |
40 x 500 |
GL-45 |
2 |
57 |
90.00 |
| 2022-10 |
50 x 500 |
GL-45 |
4 |
90 |
100.00 |
| 2022-40 |
100 x 500 |
GL-100 |
6 |
3500 |
450.00 |
| 2022-42 |
100 x 1450 |
GL-100 |
6 |
11000 |
500.00 |
| 2022-44 |
150 x 500 |
GL-100 |
6 |
8500 |
685.00 |
| 2022-46 |
150 x 1450 |
GL-100 |
6 |
24500 |
725.00 |
| Replacement Parts |
| 2022-22 |
Reservoir, 250mL, GL-32 x GL-45 |
28.75 |
| 2022-26 |
Reservoir, 500mL, GL-32 x GL-45 |
35.00 |
| 2022-34 |
Reservoir, 1000mL, GL-45 x GL-45 |
42.50 |
| 2022-38 |
Reservoir, 2000mL, GL-45 x GL-45 |
48.55 |
| 2022-42 |
Reservoir, 3000mL, GL-100 x GL-45 |
56.50 |
| 2018-38 |
Flow Control Adapter Assembly GL-45 |
66.05 |
| 4451-42 |
Bottom Valve, 2mm PTFE |
38.25 |
| 4451-44 |
Bottom Valve, 4mm PTFE |
42.50 |
| 4451-48 |
Bottom Valve, 8mm PTFE |
42.50 |
| 1095-16 |
Coupling, Straight, GL-32 x GL-32 |
46.00 |
| 1095-18 |
Coupling, Straight, GL-45 x GL-45 |
52.00 |
| 1095-22 |
Coupling, Straight, GL-100 x GL-100 |
166.50 |
| 2292-02 |
Quick Disconnect Fitting, 10/pkg |
28.50 |
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