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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.

Article No.

Column ID x Length (mm) Reservoir Capacity Valve Size Nominal Volume (mL) Price (ea)

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  
2018-42 PTFE Body, with Vent  
2018-44 Flow Adapter Lock Nut  
1098-10 45mm Cap with Hole, 10/pk  
4451-42 2mm Straight Thru PTFE Valve  
4451-44 4mm Straight Thru PTFE Valve  
8658-24 4mm Flow Control Valve, PTFE  

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.

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  
2020-42 PTFE Body, with Vent  
2020-44 Flow Adapter Lock Nut  
1098-10 45mm Cap with Hole, 10/pk  
4451-42 2mm Straight Thru PTFE Valve  
4451-44 4mm Straight Thru PTFE Valve  
8658-24 4mm Flow Control Valve, PTFE  

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.

Article No.

Column ID x Length (mm) Thread Size Valve Size Nominal Volume (mL) Price (ea)

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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NDS Technologies, Inc.
3823 North Mill Road Vineland, NJ 08360
Tel: (856) 691-0330
Fax: (856) 696-3533

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Last modified -: October 13, 2006

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