Precision ground with corresponding numbers on the barrel and plug Lower vacuum chamber is evacuated via a separate 2mm hole in the plug which is not in the line of flow

With polished barrels

Precision ground with corresponding numbers on the barrel and plug Lower vacuum chamber is evacuated via a separate 2mm hole in the plug which is not in the line of flow

Stopcock with three stems sealed 90° apart. Glass plug has a “T”-shape bore to connect any two or all three stems. Solid glass plug with constant pressure retention spring and clip.

With two 9mm O.D. sidearms sealed to the barrel at a 90° angle to one another. Viton® O-ring on PTFE shaft is protected with precision Teflon® wiper. The plug has a machined-in integral PTFE tip O-ring to make the primary seal. This...

A 1:5 taper Teflon® stopcock with three side arms sealed 120° apart. Plug has a bore to allow connection of any two arms at once. With 1:5 PTFE metering plug and a threaded pressure nut Stopcock barrels are polished to prevent PTFE plug...

With 1:5 PTFE metering plug and a threaded pressure nut Stopcock barrels are polished to prevent PTFE plug from scratch

With two 9mm O.D. sidearms sealed to the barrel at a 90° angle to one another.The non-rotating PTFE plug has three O-rings, the tip O-ring making the primaryseal on the precision formed tapered seat.

PTFE covered cylindrical bars. With pivot ring.

Flanged type stopper with a hollow plug and sleeve extension that folds down over the neck of vessel tubing etc The diaphragm can be punctured with a syringe needle resealing after needle is withdrawn. Stoppers are made from natural...

T-shaped connecting tube with hose connections.

For apparatus having an inner joint 29/32.