This flask is supplied with a 1" beaded pipe-type flange extension off bottom for connection to a 0–20 mm threaded PTFE stopcock as the outlet

Stopcock assembly has a mating 1" beaded flange that connects to extension off bottom via a Viton lined coupling. Takeoff on stopcock is 1" O.D. tubing. Drain assembly plug supplied with FETFE o-rings; Chemraz® o-rings can be offered as replacements. ACE can supply the takeoff with beaded flange, Ace-Thred, hose connection. Listed as flask with beaded pipe extension only, drain assembly only (includes 0-20 plug plus glass thread with mating beaded pipe) or flask with drain assembly. Order coupling separately.