NA 055

DIN Standards Committee Laboratory Devices and Installations

DIN 12540 [available pre-publication] references following documents:

Document number Edition Title
DIN ISO 719 2021-12 Glass - Hydrolytic resistance of glass grains at 98 °C - Method of test and classification (ISO 719:2020) More 
DIN 12256 2022-08 Laboratory glassware - Tightness test of conical joints, spherical joints and stopcocks More 
DIN 12553 2024-12 Laboratory glassware - Double oblique bore stopcocks More 
DIN 12554 2020-03 Laboratory glassware - T-bore stopcocks More 
ISO 4785 1997-05 Laboratory glassware - Straight-bore glass stopcocks for general purposes More