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Sintered Glassware

Porosity Grades and their General Use
Cat.No. Porosity Grade Pore Size General Use
LGW-191/1 G-0 150-250 Coarse Filtration, Gas dispersion and support for other filter material.
LGW-191/2 G-1 90-150 Coarse Precipitate, Filtration, Gas dispersion, Coarse grain material filtration.
LGW-191/3 G-2 40-90 Medium and Crystalline precipitate filtration, medium filtration and washing of glass.
LGW-191/4 G-3 15-40 Fine Gas filtration and dispersion, mercury filtration, fine grain material filtration, collection of fine precipitates, Analytical work with medium precipitates.
LGW-191/5 G-4 5-15 Valves for mercury collection of very fine precipitates. Analytical work with fine precipitates


Filtering Apparatus Witt's


Complete with flanged jar, flanged lid, funnel and 250ml. Beaker.
Cat. No. LGW 192


Filter Apparatus,

Complete with Filtering Flask, gooch crucible with Sintered Disc of
Porosity G-0 or G-1 or G-2 or G-3 or G-4, glass adapter and rubber cone..
Cat. No. Flask Cap. (ml) Crucible Cap. (ml)
LGW 193/1 250 30
LGW 193/2 500 30
LGW 193/3 1000 50
Note : Please mention Porosity of Sintered Disc. while placing order.


Filter Apparatus,


Complete with Filter Flask, with Socket and Buchner funnel
with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4, having cone..
Cat. No. Flask Cap. (ml) Crucible Cap. (ml) Joint
LGW 194/1 250 80 B24
LGW 194/2 500 200 B24
LGW 194/3 1000 500 B29
LGW 194/4 2000 1000 B29


Crucible, Gooch type with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4
Cat. No. Capacity (ml)
LGW 195/1 15
LGW 195/2 30
LGW 195/3 50


Buchner Funnel, with Sintered Disc of Porosity G-0 or G-1 or G-2 or G-3 or G-4, plain stem.
Cat. No. Capacity (ml) Disc Dia (mm)
LGW 196/1 35 30
LGW 196/2 80 40
LGW 196/3 200 65
LGW 196/4 500 90
LGW 196/5 1000 120


Buchner Funnel, with Sintered Disc of
Porosity G-0 or G-1 or G-2 or G-3 or G-4, cone at stem.
Cat. No. Capacity (ml) Disc Dia (mm) Cone
LGW 197/1 35 30 B14 or B19
LGW 197/2 80 40 B14 or B19
LGW 197/3 200 65 B19 or B24
LGW 197/4 500 90 B19 or B24 or B29
LGW 197/5 1000 120 B19 or B24 or B29


Millipore Type, Membrane Filter Holder Assembly, with
membrane support. Funnel, Flask and Clamp, Standard Joint Fitting
Cat. No. Membrane Dia. (mm) Funnel Cap. (ml) Flask Cap. (ml)
LGW 198/1 25 25 250
LGW 198/2 25 50 500
LGW 198/3 47 300 1000


Tube Sealed, with reduced ends, with Sintered Disc
(Pipe line filter) Porosity G-0 or G-1 or G-2 or G-3 or G-4
Cat. No. Disc dia. (mm)
LGW 199/1 30
LGW 199/2 40
LGW 199/3 50
LGW 199/4 65
LGW 199/5 90


Conical Filter, (Hirsch type), with Sintered Disc of Porosity
G-0 or G-1 or G-2 or G-3 or G-4
Cat. No. Capacity (ml) Disc dia. (mm)
LGW 200/1 20 20
LGW 200/2 60 30
LGW 200/3 175 30


Sintered Glass Filter Tube, with Sintered Disc sealed in Center, Porosity G-0 or G-1 or G-2 or G-3 or G-4.
Cat. No. Disc dia. (mm)
LGW 201/1 10
LGW 201/2 20
LGW 201/3 30
LGW 201/4 45
LGW 201/5 50
LGW 201/6 90


Sintered Glass Gas Distribution Tube, (Filter Stick) Porosity G-0 or G-1 or G-2 or G-3 or G-4.
Cat. No. Disc dia. (mm)
LGW 202/1 10
LGW202/2 20
LGW 202/3 30