DURAN® Funnel
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Duran Funnels
DURAN funnels are used for filling and filtration duties.
Duran funnels
Round filter paper are available for the funnels. These are used for simple filtration.
Their shape are analytical funnels can be used for rapid filtration duties. A slight vacuum is formed in the hollow chambers on the inside of the funnls which results in suction being applied to the liquid being filtered.
DURAN® funnel with short stem
Particular suited to use with hot or aggressive media thanks to the thermal shock and chemical resistance of DURAN®. Also available in soda-lime glass.
Typical applications: Decanting and filtration of substances.
| Cat. No. | d(OD) (mm) |
d1(OD) (mm) |
h (mm) |
h1 (mm) |
Matching filter paper Ø (mm) |
Remarks | Pack Unit |
| 213512308 | 35 | 6 | 60 | 35 | 45 – 55 | 10 | |
| 213512805 | 45 | 6 | 80 | 45 | 55 – 70 | Non-DIN ISO size. | 10 |
| 213513304 | 55 | 8 | 95 | 55 | 70 – 90 | 10 | |
| 213513801 | 70 | 8 | 125 | 70 | 110 – 125 | Non-DIN ISO size. | 10 |
| 213514103 | 80 | 10 | 140 | 80 | 125 – 150 | Non-DIN ISO size. | 10 |
| 213514609 | 100 | 10 | 180 | 100 | 150 – 185 | 10 | |
| 213515108 | 120 | 16 | 210 | 120 | 185 – 240 | Non-DIN ISO size. | 10 |
| 213515708 | 150 | 16 | 265 | 150 | 240 – 270 | 10 | |
| 213515905 | 180 | 20 | 290 | 150 | 270 – 320 | Non-DIN ISO size. | 1 |
| 213516104 | 200 | 26 | 325 | 175 | 320 – 385 | Non-DIN ISO size. | 1 |
| 213516601 | 250 | 30 | 370 | 175 | 385 – 400 | Non-DIN ISO size. | 1 |
| 213516901 | 300 | 30 | 409 | 175 | 500 | Non-DIN ISO size. | 1 |
DURAN® Long Stem Funnel
From DURAN® glass with its good thermal shock and chemical resistance.
Typical applications: filtering and decanting of liquids of different densities.
| Cat. No. | d(OD) (mm) |
d1(OD) (mm) |
h (mm) |
h1 (mm) |
Matching filter paper Ø (mm) |
Remarks | Pack Unit |
| 213533306 | 55 | 6 | 190 | 150 | 70 – 90 | 10 | |
| 213533803 | 70 | 6 | 200 | 150 | 110 – 125 | Non-DIN ISO size. | 10 |
| 213534105 | 80 | 6 | 210 | 150 | 125 – 150 | Non-DIN ISO size. | 10 |
DURAN® Powder Funnel, with short, wide stem
From DURAN® glass with its good thermal shock and chemical resistance.
Typical applications: decanting of powdered substances and granulated material.
| Cat. No. | d(OD) (mm) |
d1(OD) (mm) |
h (mm) |
h1 (mm) |
Pack Unit |
| 213543307 | 55 | 20 | 60 | 30 | 10 |
| 213543804 | 70 | 22 | 72 | 30 | 10 |
| 213544106 | 80 | 24 | 79 | 30 | 10 |
| 213544603 | 100 | 26 | 94 | 30 | 10 |
| 213545102 | 120 | 34 | 105 | 30 | 10 |
| 213545505 | 160 | 35 | 140 | 30 | 1 |
| 213546107 | 200 | 40 | 170 | 30 | 1 |
DURAN® Filter Funnel, conical shape
Made from DURAN® glass with its good thermal shock and chemical resistance. Filter funnels mate to the filtering flask via a conical rubber seal (GUKO).
Typical application: filtering of liquids.
| Cat. No. | Capacity (ml) |
d(OD) (mm) |
d1(OD) (mm) |
d2(OD) (mm) |
h (mm) |
Porosity | Pack Unit |
| 258540309 | 25 | 55 | 25 | 8 | 100 | 3 | 1 |
| 258540403 | 25 | 55 | 25 | 8 | 100 | 4 | 1 |
DURAN® Analytical Funnel, for quick filtration
From DURAN® glass with its good thermal shock and chemical resistance.
Typical application: for rapid liquid filtration.
| Cat. No. | d(OD) (mm) |
d1(OD) (mm) |
h (mm) |
h1 (mm) |
Matching filter paper Ø (mm) |
Pack Unit |
| 213313702 | 65 | 9 | 200 | 150 | 70 – 90 | 10 |
| 213314107 | 80 | 9 | 210 | 150 | 110 – 125 | 10 |
| 213314801 | 110 | 9 | 265 | 180 | 150 – 185 | 10 |
DURAN® Ribbed Funnel
From DURAN® glass with its good thermal shock and chemical resistance. The ribbed form is ideal for filtering with round-paper.
Typical application: filtering of liquids.
| Cat. No. | d(OD) (mm) |
d1(OD) (mm) |
h (mm) |
h1 (mm) |
Matching filter paper Ø (mm) |
Pack Unit |
| 213523802 | 70 | 8 | 125 | 70 | 110 – 125 | 10 |
| 213524104 | 80 | 10 | 140 | 80 | 125 – 150 | 10 |
| 213524601 | 100 | 10 | 180 | 100 | 150 – 185 | 10 |
| 213525709 | 150 | 16 | 266 | 150 | 240 – 270 | 10 |
| 213526105 | 200 | 26 | 326 | 175 | 320 – 385 | 1 |