b.safe Cap GL45 Preparative Bohlender

Screw cap made of PPS for thread GL 45, free movable insert made of PTFE. With PFA fittings for capillaries with O. D. 3,2 mm (UNF 1/4”), PTFE Fittings Preparative for tubing with O.D. 6,35 mm (thread NPT 1/8”), Blind Fittings made of PTFE to close unused connections and an Air Valve with service life indicator.

Applications

Adapted to the requirements in preparative HPLC. Tubing with O.D. 4,0 up to 6,35 mm can be inserted onto the ground of the bottle by means of the b.safe Fittings Preparative made of PTFE. The conical seal cone clamps the tubing and seals the connection safely. The b.safe Air Valve is especially adapted to the flow rate in HPLC. The integrated non-return valve avoids evaporation of solvents and lets flow ambient air into the bottle in case of vacuum. The upstream porous PTFE membrane restrains pollutant particles and other contaminations from outside. The 6 months service life of the filter can be easily monitored through either activating the display on the cap and exchanging the valve in case of completely red colouring or documentation of the exchange date by hand and clip in the display at the valve.