The rugged cylindrical reaction flask with Duran style flat o-ring groove flange, is for use with quick release clamp

Fabricated from heavy wall borosilicate glass. Inlet and outlet connections on jacket, sealed tangentially, are o-ring ball joints. Small reactors 1 to 6 L use 28/15 spherical joints and 10 L and larger us 35/25 o-ring joints. Ten liter and larger are supplied with capacity reference graduations. Each flask is supplied with one CAPFE, PTFE encapsulated silicone, o-ring. Flasks are available with a variety of valve types. Maximum Jacket Pressure: 5 PSI (.34 Bar). Jacket Connections: 35/25 (S/J). Maximum Delta T: 60°C. Easy Action Bottom Valve: Flask has Easy Action Plug bottom outlet with Chemraz® o-rings for draining contents. Bottom outlet has size 35/25 o-ring ball joint connection. Supplied with one CAPFE o-ring. Sink Type Valve: Flask is fabricated with a #36 Ace-Thred on bottom. The all PTFE valve is inserted into the Ace-Thred from inside the flask. A stainless steel handle is then secured to the drain tube. By rotating the handle, plug rises into the flask and contents drain through three (3) 1/2" wide x 1 1/2" long slit openings. Rotate handle in opposite direction and plug seals at bottom of flask, with NO dead space. Supplied with two Chemraz® o-rings: one to secure valve in #36 Ace-Thred; the other, on bottom of plug to make seal at bottom of flask.

Piston Type Valve: Flask has 35/25 o-ring ball joint on outlet and utilizes a sealed-in threaded stopcock assembly that rotates closed into the bottom of the flask thereby offering nearly zero dead space. Turn stopcock handle counterclockwise and piston plunger retracts to allow contents to drain. Drain opening is approximately 15 mm. Piston plunger supplied with FETFE o-rings.

Beaded: Flask is supplied with a one inch beaded pipe-type flange extension off bottom for connection to a 0–20 mm threaded stopcock as the outlet. Stopcock assembly has a mating one inch beaded flange that connects to extension off bottom via a Viton lined coupling. Takeoff on stopcock is one inch O.D. tubing. Drain assembly plug supplied with FETFE o-ring.

Flush Seal Valve: Flask is fabricated with a two inch beaded valve seat, for 30 and 50 L. The plug, with a CAPFE o-ring, is inserted into valve seat and secures within a coupling. By rotating the handle, plug rises into the flask and seals to afford zero dead space. Back thread out to drain through one inch beaded pipe angled side port. Supplied with CAPFE o-ring for seal at flask, two Kalrez o-rings supplied on valve stem.

Valves and accessories sold separately. Easy Action and Piston Type Flasks Supplied with Valve.