Test
Nitrogen tubes (Schlenk tubes) with conical ground joint and NS stopcock
Made of high quality materials. Each manufacturing step is tested through an extensive quality management system, based on DIN ISO 9001/EN 29001.
Nitrogen tubes (Schlenk tubes) with conical ground joint and PTFE needle-valve stopcock
Polypropylene gas sampling bulbs have polypropylene stopcocks with free-turning Teflon™ PTFE plugs
Gas sampling tubes acc. to DIN 12473-1
Design recommended by Atmospheric Environment Service (AES)