Flat Bottom Flasks, Heavy Wall$49.95
Solid glass high vacuum stopcock with two parallel oblique bores and constant pressure retention device. This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip. The spring keeps constant tension on the plug at all times and is easily removed and attached. Plug is precision ground and hand-lapped with corresponding numbers on the barrel and plug with a bore size of 4mm. Each stopcock is supplied complete with a stainless steel spring and clip. For replacement of glass plug and accessories, see AC-4017 and AC-0012.Bore size 4mm. Plug size 16.2/56mm. Sidearms OD 10mm. Serrated hose connection on opposite side.From Factory - Est. Availability: Unknown at this time.Please, contact us to place a backorder. Thank you.
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