Stopcocks

Oblique bore stopcock with vacuum cup at bottom. Available with a hollow or solid plug.

Precision grade, with 3-way oblique stopcock. Available with oblique bore hollow or solid plug. Plug has hole to permit evacuation of the lower chamber and prevents leakage through the bottom.

A 1:5 taper PTFE plug having a threaded needle valve to allow the adjustment of flow through the bore of the plug.

With 120 degree bore, solid plug.

With solid plug. For plug only, see 8226.

Oblique bore with polished barrels. For plug only, see 8226.

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.

Used with distilling head to enable operator to determine reflux ratios and take-offs. Described in Industrial and Engineering Chemistry, Volume 14, No. 11, Page 902, Nov. 15, 1942.

Three-way high pressure oblique bore stopcock with solid plug.

High pressure straight bore stopcock with solid plug.

With polished barrels. For plug only, see 8224.

Three-way high pressure T-bore stopcock with solid plug.