DURAN® Patent Cocks, ground and polished, without plug, NS 18.8

DURAN® Patent Cock, ground and polished, without plug, NS 18.8 Ground and polished DURAN® Patent Cocks are 2-way valves often used for the construction of Schlenk lines (vacuum inert gas lines, nitrogen distribution rakes) and allow grease-free operation. For particularly high leakage rate requirements, we recommend the use of PRODURAN® valves. Special features and advantages: 2-way stopcock with PTFE stopcock plug Grease-free working due to the politiere stopcock surface Glass articles for further processing The stopcock plug is secured in the stopcock sleeve via a 3-part stopcock retainer. Application: Suitable for shoring in glass apparatus and for vacuum applications e.g. for the construction of Schlenk lines (vacuum inert gas lines, nitrogen distribution rakes)