Pyrex® stopcocks. With PTFE keys in polished glass barrels having a taper of 1:10 (DIN 12541 standard). Side arms are 100mm long.
Retaining device: Nylon nut, nylon washer and tension spring. 1.0mm wall thickness.
Components from Pyrex® DIN 12541 glass key stopcocks are incompatible with previous Interflon range. Please contact us for advice.