DURAN® patent cocks, complete with PTFE plug, bore 4 mm, NS 18.8

DURAN® patent stopcock, with PTFE plug, bore 4 mm, NS 18.8 DURAN® patent stopcocks complete with PTFE patent stopcock plug are 2-way stopcocks which are frequently used for the construction of Schlenk lines (vacuum inert gas lines, nitrogen distribution rakes) and allow grease-free operation. The valve plug is secured in the valve sleeve by a 3-part valve retainer. For particularly high leakage rate requirements, we recommend the use of PRODURAN® valves. Special features and benefits: 2-way stopcock with PTFE stopcock plug Grease-free operation due to the political stopcock surface The stopcock plug is secured in the stopcock sleeve via a 3-part stopcock retainer. Glass articles for further processing 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)