Pressure resistant up to 10 bar, suitable for vacuum. Medium is exposed only to fluoroplastic; screw cap made of glass-fibre reinforced ETFE (max. + 150 °C). Mainly used for connecting glass tubes with PTFE tubing or plastic, glass and metal tubes. Also suitable for locking probes (also st. steel), thermometers, laboratory stopcocks, immersion tubes or for lead-in cables. Inner parts consisting of a V-ring (ETFE), a tapered ring and a sealing ring (both PTFE).