Classification
Manufacturer
EClass
not containing the term:
Lenz-Laborglas 

Round bottom flasks with two necks, side neck angled, DURAN®

DIN 12394 and in addition to DIN standard. With one central and one 20° side angled ground joint necks as outlined below.
Round bottom flasks with two necks, side neck angled, DURAN®


Round bottom flasks with two necks, side neck angled, DURAN®
Nominal capacity
ml
Ø
mm
Ground size
centre neck
Ground size
side necks
StandardPKCat. No. 
2541NS14/23NS14/23 19011901
5051NS14/23NS14/23 19011902
10064NS14/23NS14/23 19011903
10064NS29/32NS14/23 19011904
10064NS29/32NS19/26 16233114
10064NS29/32NS29/32 16204819
25085NS14/23NS14/23 19011905
25085NS24/29NS19/26 16206139
25085NS29/32NS14/23DIN 1239419011906
25085NS29/32NS19/26DIN 1239416225989
25085NS29/32NS29/32 19011907
500105NS29/32NS14/23DIN 1239419011908
500105NS29/32NS19/26DIN 1239416233091
500105NS29/32NS29/32 19011910
1000131NS29/32NS14/23DIN 1239419011915
1000131NS29/32NS19/26DIN 1239416231953
1000131NS29/32NS29/32 19011920
2000166NS29/32NS14/23DIN 1239416072288
2000166NS29/32NS29/32 16056856
4000207NS29/32NS29/32 16201298
Accessories:
Flask rings, pressed cork / BR Solution
Flask support rings, "BiBase", silicone elastomer / Saint Gobain
Round bottom flask holder, PP / Kartell S.p.A.