The rotary needle valve design of these Rotaflo® General Purpose PTFE stopcocks allows the fine single drop control of liquids. Rotary design for fine single drop control; invaluable on burettes Borosilicate glass with PTFE key for ...
Stopcocks made of PMP. Plugs of PTFE with polished surface turn easily but fit thightly. Insert with two seals. Art. no. 105799: For burette tubes inner diam. 7.75 ± 0.1 mm. Art. no. 105899: For burette tubes inner diam. 11.5 ± 0.1 mm.
A ruggedly constructed stopcock with solid glass plug and tapered flange which insures maximum strength at the seal. Bore of side arms is equal to or slightly larger than bores of plug on all sizes. For plugs, see 8223.
Stopcock, Straight, Glass Plug Supplied complete with plug and metal clip.
Acc. to DIN 12541-1 and in addition to DIN standard,with solid glass plug and screwthread retaining device,one straight bore, material: borosilicate glass 3.3, leakage rate acc. to DIN 12540-1
Electronically operated und pneumatic adjusting drive for stopcocks The picture below shows: One-way-stopcock, plain arms, PTFE key, NS 18.8, key bore 4 mm, with electronically operated adjusting drive with ON/OFF-function Features: low ...
DURAN® Single way stopcocks, complete with SBW key -taper 1:10 -with three part retaining device -NS 12.5 and 14.5 also available as a capillary version -uniform bore position as a result of the optimised production process -single components ...