Stopcocks

High vacuum stopcock with Tef-Cap O-Ring seals with variable openings from 0-3 to 0-10mm. Eliminate exposure to corrosive materials.

Straight bore stopcock plugs, available in borosilicate or PTFE. PTFE plug Corning# 7681.

High vacuum stopcock with hollow plug, for horizontal connections.

With hollow plug, for connecting either the right or left outlet with the bottom outlet.

Precision grade, straight thru, high vacuum stopcock. Available with a hollow or solid plug.

Quick-open, valve-type stopcock with glass barrel, PTFE plug, and FETFE O-rings. Unique design allows introduction of particulates or capsules into a system using a rod or plunger.

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.

High vacuum straight thru stopcock available with several types of Easy Action plugs including bakeable PTFE, PTFE stem with glass filled PTFE threads, and glass with Nylon handle, for allowing smooth adjustment. A variety of replacement items are

High vacuum straight thru stopcock available with several types of Easy Action plugs including bakeable PTFE, PTFE stem with glass filled PTFE threads, and glass with Nylon handle, for allowing smooth adjustment. A variety of replacement items are

High vacuum straight thru stopcock available with several types of Easy Action plugs including bakeable PTFE, PTFE stem with glass filled PTFE threads, and glass with Nylon handle, for allowing smooth adjustment. A variety of replacement items are

Standard taper adapter with 8-425 gpi threaded top and a 2mm bore stopcock with a ptfe plug. Syringe port is supplied with a cap and septum.

With hollow plug, for connecting either the right or left outlet with the bottom outlet.