02 BOILING FLASKS AND GENERAL LABORATORY GLASSWARE
DURAN® Flat Bottom Flask Narrow Neck
Uniform wall thickness distribution makes these flasks ideal for heating applications. Flat base means flasks can be set down without a supporting ring. Flasks with a neck diameter of 65mm have a reinforced rim.
with beaded rim
Cat. No.
Remark
Pack Unit
d 1 (OD) (mm)
h (mm)
Capacity (mL)
d (OD) (mm)
217111708 217112404 217113606 217114405 217115401 217116406 217116809 217117102 217117308 217117608 217118604
50 51 100 64 250 85 500 105 1000 131 2000 166 3000 185 4000 207 5000 223 6000 237 10000 280
26 26 34 34 42 42 50 50 50 65 65
90
10 10 10 10 10 10
105 138 163 190
d 1
h
250 Non-DIN ISO size. 250 Non-DIN ISO size.
500 ml Made in Germany
SCHO
1 1 1 1 1
DURAN
275
290 Non-DIN ISO size.
d
315 360
DURAN® Flat Bottom Flask Wide Neck
Uniform wall thickness distribution makes these flasks ideal for heating applications. Flat base means flasks can be set down without a supporting ring. The wide neck permits easy filling and removal of flask contents. Flasks with a neck diameter 76 mm have a reinforced rim.
with beaded rim
Cat. No.
d (OD) (mm)
d 1 (OD) (mm)
Capacity (mL)
h (mm)
Remark
Pack Unit
217311704 217312409 217313602 217314401 217315406 217316308 217316402
50 51 100 64 250 85 500 105 1000 131 2000 166 2000 166
34 34 50 50 50 76 50
90
10 10 10 10 10 10 10
d 1
105 138 163 190
h
500 ml Made in Germany
SCHO
230 Non-DIN EN ISO size.
DURAN
230
d
DURAN® Engler Flask
Uniform wall thickness distribution makes these flasks ideal for heating applications and distillations. DURAN® Engler Distilling Flasks comply with the requirements of ASTM D86 and DIN EN ISO 3405 for the atmospheric distillation of petroleum products.
with beaded rim, side outlet
Cat. No.
d 1 (OD) (mm)
Side arm l (mm)
h (mm)
Pack Unit
Capacity (mL)
d (OD) (mm)
Side arm d 2 (OD) (mm)
d 1
216532404 216532807 216532901
100 66
20 22 20
6 7 6
100 100 100
215 215 223
10 10 10
I
125 150
69 73
according to ASTM D86 and DIN EN ISO 3405 216542808 125 69 22
h
d 2
7
100
215
2
125 ml
SCHO
DURAN
d
75
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