BS 1751:1997

This standard BS 1751:1997 Laboratory glassware. Specification for straight-bore glass stopcocks for general purposes is classified in these ICS categories:

• 71.040.20 Laboratory ware and related apparatus

This International Standard specifies requirements and dimensions for two series of glass straight-bore stopcocks for general-purpose use. The stopcocks are defined by their nominal (bore) diameter and large end diameter and length of the ground zone. It is recommended that, in national standards, only one of the series should be specified.

NOTE Annex A lists additional International Standards for other general-purpose laboratory glassware.

Six sizes with bores from 1mm to 10 mm.