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column components

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INTRODUCTION

Column components are widely used in chemicals, pharmaceutical and allied industries together with other applications e.g. food and drink production, dye works and electroplating. This is because of the special properties of borosilicate glass 3.3 and PTFE together with special materials that are used in some instances for internals, plus the fact that borosilicate glass 3.3 is an approved and proven material of construction for pressure vessels.

With almost universal resistance to corrosion, a long service life is guaranteed and maintenance is kept to a minimum.
Their transparency permits constant visual monitoring of the process at all times.
Being inert, the risk of contamination is negligible.
Smooth surface allow easy cleaning and sterilization and prevent the build-up of solids on the inner walls.

COLUMN SECTIONS

All column sections are supplied complete with support. The packing must be ordered separately.

On special request. A column sections can be supplied without the packing support. Column sections and pipe sections may be used for the construction of columns of all.

DN DN1 l l1 l2 CAT. REF. SCS / SCST / SCSTN
80 25 1000 125 100 3/100
100 25 1000 125 100 4/1000
150 25 1000 125 100 6/1000
225 25 1000 125 100 9/1000
225 25 1500 150 125 9/1000
300 25 1000 150 125 12/1000
300 25 1500 150 125 12/1000
400 25 1000 200 150 16/1000
400 25 1500 200 150 16/1000
450 25 1000 200 150 18/1000
450 25 1500 200 150 18/1000
PACKING SUPPORTS

Two types of packing supports Type A or Type B. Type A are made of fused glass rods and Type B (heavy duty) are made of glass plates vertically arranged and tied with PTFE tie rods.

Standard packing supports for columns DN 80 to DN 300 are manufactured from borosilicate glass. From DN 400 and above, a combination of glass and PTFE is used for their construction, thus maintaining maximum resistance to corrosion.

DN l MAXIMUM LOAD (Kg) MAXIMUM PACKING SIZE (mm) TYPE CAT. REF.
80 20 10 12 A SLB 3
100 20 15 15 A SLB 4
150 30 30 25 A SLB 6
225 30 50 25 A SLB 9
300 30 75 25 A SLB 12
400 70 150 25 B SLB 16
450 70 200 25 B SLB 18
PACKING SUPPORTS

Two types of packing supports Type A or Type B. Type A are made of fused glass rods and Type B (heavy duty) are made of glass plates vertically arranged and tied with PTFE tie rods.

Standard packing supports for columns DN 80 to DN 300 are manufactured from borosilicate glass. From DN 400 and above, a combination of glass and PTFE is used for their construction, thus maintaining maximum resistance to corrosion.

DN l MAXIMUM LOAD (Kg) MAXIMUM PACKING SIZE (mm) TYPE CAT. REF.
80 20 10 12 A SLB 3
100 20 15 15 A SLB 4
150 30 30 25 A SLB 6
225 30 50 25 A SLB 9
300 30 75 25 A SLB 12
400 70 150 25 B SLB 16
450 70 200 25 B SLB 18
SUPPORT PLATE ASSEMBLY

If free cross-section obtained with the combination of column section and packing support are not large enough, then an alternative is to be used with pipe sections in combination with fixed support plate.

Each item comprises glass support plate, screwed rod with nuts, flat washers.

DN l MAXIMUM LOAD (Kg) CAT. REF.
80 25 10 SLBE 3
100 25 15 SLBE 4
150 50 30 SLBE 6
225 50 50 SLBE 9
COLUMN PACKING RASCHING – RINGS

Rasching rings up to 25mm are made of neutral glass. 40mm and 50mm Rasching Rings are available in borosilicate glass.

D X L WALL THICKNESS (T) BULK DENSITY (Kg/Ltr.) SPECIFIC SURFACE (M²/M³) CAT. REF.
8 X 8 1.0 0.60 500 SFC 8
12 X 12 1.0 0.50 400 SFC 12
15 X 15 1.6 0.75 300 SFC 15
20 X 20 1.1 0.45 280 SFC 20
25 X 25 2.0 0.27 200 SFC 25
30 X 30 2.0 0.40 176 SFC 30
40 X 40 1.75 0.27 160 SFC 40
PACKINGS REQUIRED FOR VARIOUS COLUMN SECTIONS (Kgs.)

PACKING SIZE (mm)

COLUMN SECTION SIZE Vol LITER SFC 8 SFC 12 SFC 15 SFC 20 SFC 25 SFC 30 SFC 40 SFC 50
SCS 3/1000 4.4 2.6 2.2 3.3 2.0 1.2 1.8 1.2 1.1
SCS 4/1000 7.6 4.6 3.8 5.7 3.4 2.1 3.0 2.1 1.9
SCS 6/1000 15.5 9.3 7.8 11.6 7.0 4.2 6.2 4.2 3.9
SCS 9/1000 31.8 19.1 15.9 23.9 14.3 8.6 12.7 8.6 8.0
SCS 12/1000 61.9 37.1 31.0 46.4 27.9 16.7 24.8 16.7 15.5
SCS 16/1000 110 66.0 55.0 82.5 49.5 29.7 44.0 29.7 27.5
SCS 18/1000 145 87.0 72.5 108.8 65.3 39.2 58.0 39.2 36.3
SCS 24/1000 255 153.0 127.5 191.3 114.8 68.9 102.0 68.9 63.8

Notes of use of column packing

Due to their low bulk density, glass rasching rings are particularly suitable for packing glass columns.
Generally the ratio of column diameter to packing diameter should not be less than 8:1.
When using smaller packing size, a small layer of larger packing should be used on packing support, to prevent the smaller packing falling through.
In vacuum application and applications involving high vapur velocities, packing.

PTFE RE-DISTRIBUTORS

PTFE re-distributors are installed in the same way as gaskets between two flat buttress end faces and therefore when using them, no gasket is required.

DN1 d l Cat. Ref.
40 28 10 STL 1.5
50 35 10 STL 2
80 55 10 STL 3
100 70 15 STL 4
150 105 15 STL 6
225 140 15 STL 9
PACKING RETAINERS / PTFE PERFORATED PLATES

Packing retainers are installed above packed column section to prevent any carry-over of column packing. They are installed in the same way as gaskets between two flat buttress end faces and therefore no gasket is required. Packing retainers are manufactured from PTFE for maximum resistance to corrosion. They cannot be used as packing supports.

DN1 l Free cross-section (%) Cat. Ref.
80 7 80 SCPC 3
100 7 90 SCPC 4
150 7 90 SCPC 6
COLUMN FEED PIPE

Column feed pipes are designed for application in which there is need to introduce the process liquid at a single point. They are usually installed SPTU unequal tee piece (see Chapter 2 of this catalogue - Pipeline Components) and used as a distribution tube, which directs the fluid down onto center of column packing.

Column feed pipes are available for 80 DN to 600 DN column. Two types of column feed pipes are available as under :
(1) Dip pipe type (Type-A)
(2) Plate type (Type-B)

DN DN1 DN2 d l l1 Cat. Ref.
80 40 25 13 100 115 SFP 3
100 40 25 13 125 115 SFP 4
150 40 25 13 150 115 SFP 6
225 40 25 13 185 115 SFP 9
300 40 25 13 230 115 SFP 12
450 80 40 25 320 150 SFP 18
SPRAY FEED SECTIONS

Spray feed sections are provided with circular tube having holes at bottom

DN DN1 l l1 l2 DIA OF HOLE x NO. OF HOLES Cat. Ref.
80 25 200 100 100 2 x 20 SFR 3
100 25 250 125 110 2 x 20 SFR 4
150 25 250 125 150 2 x 27 SFR 6
225 25 250 125 170 2 x 27 SFR 9
SPRAY FEED PIPES

Like column feed pipes, spray feed pipes are usually installed via a SPTU unequal tee piece. Spray feed pipes sections are provided with oval tube having holes at bottom.

DN DN1 l l1 l2 DIA OF HOLE x NO. OF HOLES Cat. Ref.
150 80 25 225 125 2 x 27 SFD 6
225 100 25 325 150 2 x 27 FSD 9
300 150 25 400 200 3 x 30 FSD 12
450 150 50 500 200 3 x 40 SFD 18
COLUMN FEED SPARGER

In column feed sparger holes are provided at three sides of pipe.

DN DN1 l l1 l2 DIA OF HOLE x NO. OF HOLES Cat. Ref.
80 25 25 125 100 2 x 21 No. SSPG 3
100 25 25 150 100 2 x 21 No. SSPG 4
150 40 25 200 100 2 x 27 No. SSPG 6
225 40 25 275 100 2 x 27 No. SSPG 9
300 40 25 350 100 3 x 30 No. SSPG 12
450 40 25 500 100 3 x 39 No. SSPG 18
COLUMN ADAPTORS
DN DN1 Dn2 l l1 l2 Cat. Ref.
80 25 25 180 90 95 SCA 3/1/1
80 40 25 180 90 110 SCA 3/1.5/1
100 25 25 205 100 110 SCA 4/1/1
100 40 25 205 100 120 SCA 4/1.5/1
100 40 40 205 100 120 SCA 4/1.5/1.5
100 50 25 230 125 125 SCA 4/2/1
100 50 40 230 125 125 SCA 4/2/1.5
100 100 40 300 150 205 SCA 4/4/1.5
150 40 25 240 125 145 SCA 6/1.5/1
150 50 25 240 125 150 SCA 6/2/1
150 80 25 255 125 165 SCA 6/3/1
150 100 25 305 150 205 SCA 6/4/1
150 40 40 240 125 145 SCA 6/1.5/1.5
150 50 40 240 125 150 SCA 6/2/1.5
150 40 50 255 125 145 SCA 6/1.5/2
150 50 50 255 125 150 SCA 6/2/2
225 40 25 330 150 185 SCA 9/1.5/1
225 50 25 330 150 190 SCA 9/2/1
225 40 40 330 150 185 SCA 9/1.5/1.5
225 50 40 330 150 190 SCA 9/2/1.5
225 80 40 405 230 205 SCA 9/3/1.5
225 100 40 405 230 240 SCA 9/4/1
225 150 40 405 230 265 SCA 9/6/1.5
225 50 50 355 150 190 SCA 9/2/2
300 40 25 380 190 220 SCA 12/1.5/1
300 40 40 380 190 220 SCA 12/1.5/1.5
300 50 40 380 190 230 SCA 12/2/1.5
300 100 40 430 230 280 SCA 12/4/1.5
300 150 40 430 230 305 SCA 12/6/1.5
300 50 50 405 190 230 SCA 12/2/2
300 80 40 430 230 240 SCA 12/3/1.5
300 80 50 430 230 240 SCA 12/3/2
300 100 50 430 230 280 SCA 12/4/2
300 150 50 430 230 305 SCA 12/6/2
300 100 100 430 230 275 SCA 12/4/4
450 50 25 450 275 300 SCA 18/2/1
450 150 50 550 300 380 SCA 18/6/2
450 225 50 760 380 405 SCA 18/9/2
600 150 50 660 300 450 SCA 24/6/2
600 225 50 700 350 470 SCA 24/9/2
600 300 100 800 400 525 SCA 24/12/4
COLUMN ADAPTORS - FLAT TOP
DN DN1 l l1 l2 Cat. Ref.
150 40 155 110 165 SFH 6/1.5
225 40 165 120 200 SFH 9/1.5
300 40 190 140 240 SFH 12/1.5
450 40 285 175 300 SFH 18/1.5
COLUMN SECTION FOR LIQUID RE-DISTRIBUTION TRAYS

These special column sections are designed specifically for use with type liquid distribution trays (SFVE). They are supplied complete with optional thermometer branch. (See Cat. Ref. SCSTV for thermometer branch in column section.) Column is supplied with 3 sides holding a liquid distribution tray on top if the column at required distance.

DN DN1 l l1 l2 DIA OF HOLE X NO. OF HOLES Cat. Ref.
80 25 25 125 100 2 x 21 No. SSPG 3
100 25 25 150 100 2 x 21 No. SSPG 4
150 40 25 200 100 2 x 27 No. SSPG 6
225 40 25 275 100 2 x 27 No. SSPG 9
300 40 25 350 100 3 x 30 No. SSPG 12
450 40 25 500 100 3 x 39 No. SSPG 18
LIQUID RE-DISTRIBUTION TRAYS

When used below a PTFE re-distributor, these glass/PTFE distribution trays ensure return of the liquid from the edge of the column and optimum re-distribution. They are installed in type SCSV or SCSTV column sections.

The complete item comprises the tray, support fingers and coupling and gasket to fix them into position.

DN1 DN1 d d1 d Numbered Cat. Ref.
225 40 165 140 18 9 SFV 9
300 40 230 200 18 19 SFV 12
450 40 345 315 28 19 SFV 18
DISTRIBUTION TRAYS FOR LIQUID FEED

These glass/PTFE distribution trays together with type SFVP inlet feed pipes detailed below are installed via type SFVZ feed sections. They provide an even initial distribution over the column cross-section. The complete item comprises the trays, support fingers and coupling and gaskets to fix them into position.

DN1 d d1 d Numbered Cat. Ref.
225 165 140 18 8 SFV 9
300 230 200 18 18 SFV 12
450 345 315 28 18 SFV 18
INLET FEED PIPES FOR FEED SECTIONS

These feed pipes are designed specifically for use with the distribution trays.

DN1 DN1 DN2 l1 l2 Cat. Ref.
225 80 25 210 150 SFVP 9
300 80 25 240 150 SFVP 12
450 80 40 320 150 SFVP 18
600 150 50 450 200 SFVP 24
FEED SECTION FOR DISTRIBUTION TRAYS

Distribution plates for liquid feed together with inlet feed pipes, are installed via these special feed sections. They are basically unequal tee pieces with three additional branches for installing the distribution plates and a branch for a thermometer.

DN DN1 DN2 dn3 l L1 L2 l3 l4 Cat. Ref.
225 80 25 25 300 210 110 150 150 SFVZ 9
300 80 25 25 400 240 160 210 200 SFVZ 12
450 80 40 25 400 320 135 210 200 SFVZ 18
REFLUX SEPARATORS - MANUALLY OPERATED

In these units, the reflux is adjusted by means of a valve on the outlet connection. When the valve is fully opened the divider is set to total distillate off-take, Since the reflux pipe is higher than the outlet connection, by regulating the valve, the reflux ratio can be continuous adjusted up to total.

DN DN1 l L1 L2 Cat. Ref.
80 25 190 115 82 SRDA 3
100 25 255 145 95 SRDA 4
150 25 255 145 100 SRDA 6
225 25 380 165 115 SRDA 9
300 25 380 165 110 SRDA 12
FLOW DATA FOR SRDA
MINIMUM SPACE CROSS-SECTION FOR VAPOURS (cm2) MAXIMUM DISTILLATE VOLUME IN RELATION TO WATER AT 20°C (l/h) (cm2) Cat. Ref.
10 300 SRDA 3
20 475 SRDA 4
40 700 SRDA 6
150 900 SRDA 9
170 1100 SRDA 12
670 1500 SRDA 18
LIQUID SEALS

Liquid seals are fitted on the off-take branch of reflux separators to prevent vapours passing directly to the after-cooler and receivers.

DN DN1 l Cat. Ref.
80 25 160 SLS 1
REFLUX SEPARATORS - AUTOMATICALLY OPERATED (MAGNETICALLY)

In application where there is need for the reflux to be at a fixed value, then it is advisable to fit an electro-magnetically or pneumatically operated reflux separators in conjunction with timer. Automatically controlled reflux separators are detailed below.

This type of reflux separator uses a swinging funnel mechanism. The funnel, which has a soft iron core sealed into it, is operated magnetically from outside the column so that the condensate can be removed from the column and reflux returned to the column in correct ratio. Activation of the electro-magnet moves the funnel into the off-take position. The electro-magnet (shown dotted) and timer should be ordered separately. Main hole (DN2) is provided for SRHM 9 and above sizes.

DN DN1 DN2 l l1 Cat. Ref.
80 25 - 380 75 SRHM 3
100 25 100 455 90 SRHM 4
150 25 100 455 90 SRHM 6
225 25 100 560 115 SRHM 9
300 25 100 685 125 SRHM 12
ELECTRO – MAGNET

Electro-magnets are used to operate magnetically operated Reflux dividers. When 'ON' the magnet attracts the swinging funnel of the reflux divider so that distillate can be taken off.

Electro-magnets are to be mounted outside OFF the glass column, just near to the reflux divider, with the help of adjustable fittings. These are designed to use with Timers to maintain correct ratio between 'OFF and 'ON' timings of its activation.

Electro-magnets work on 220V DC power supply, for which a output socket is provided in the Timers.

CAT. REF. TYPE
SRPM Non-flameproof
TIMERS

Timers are designed to use with Electro-magnets to provide a correct ratio of reflux and distillate when operating a Magnetically operated reflux divider.

Two independent knobs are provided for time settings of Reflux and Off-take. During 'Off-take' it activates the electro-magnet, which attracts the swinging funnel of reflux divider, and distillation comes out. Both periods can be set accurately within a range of 0-50 seconds.

Timers work on a power supply of 230V, 50Hz.

CAT. REF. TYPE
SQRT Non-flameproof
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