Specialty Flasks

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  • 4 Neck Molded Reaction Vessel Covers

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass 4-neck reaction vessel lids/covers have a contact surface that is finely ground to provide a tight seal. Featuring a flat flange, these pressed lids have a center neck and three side necks with outer Standard Taper joints. Use LG-7316 clamps. NOTE: LG-8081 for use with…

  • Flasks, Heavy Wall, Round Bottom, 3-Necks, PTFE Stopcocks

    Chemglass

    Round bottom, HEAVY WALL, three neck flask with standard taper outer joints on the center and side necks. Lower outlet is a CG-424-05, 4mm straight bore PTFE stopcock.

  • Storage Flasks, O-Ring, Airfree®, Schlenk

    Chemglass

    Flask has a #15 o-ring joint on the sidearm and a Chem-Vac™; Chem-Cap®; valve to control gas or liquid flow into the vessel. All sizes are of heavy wall construction, and are used with AF-0060 and AF-0061 manifolds or any other Airfree® component with a #15 o-ring joint. Supplied…

  • SYNTHWARE Storage Flasks with Outer Joints

    Kemtech America

    SYNTHWARE storage flask with standard taper outer joint and high vacuum valve. Valve has a PTFE o-ring at the tip. Valve is used to control liquid or gas flow into the flask.

  • Flasks, PFA, Round Bottom, Three Neck

    Chemglass

    All PFA three neck round bottom flask with standard taper outer joint center neck and two additional 20° angled side necks. Allows assembly with a temperature probe, electrode or tube. Flask can withstand MAX temperature of 250°C and a MIN temperature of -200°C.

  • Cylindrical Reaction Vessels with Flat Flange

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass cylindrical reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus preventing…

  • Flasks Only, Freeze Dry

    Chemglass

    Flat bottom borosilicate flask for use with Labconco and Virtis freeze dryers. Wide mouth design provides easy access sample. PLEASE NOTE: FLASKS ONLY. NOT SUPPLIED WITH RUBBER TOP, FILTER OR O-RING.

  • Flasks, Heavy Wall, Pear Shaped

    Chemglass

    Pear shape HEAVY WALL flask with a standard taper outer joint.

  • Flasks, Reaction, Single Neck, Airfree®, Schlenk

    Chemglass

    Round bottom single neck flask having a standard taper outer joint. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap® Airfree® inlet valve.

  • Benchtop Reactor, All-in-one, Jacketed

    Ace Glass

    1L or 2L jacketed general purpose bench top reactor system supplied complete with everything necessary for operation. The system is designed so that all wetted surfaces are glass and PTFE for maximum chemical compatibility. A small overall stand footprint and flexible drive shaft combination allow…

  • Flasks, Reaction, 2-Neck, Airfree®, Schlenk

    Chemglass

    Round bottom 2-neck flask having standard taper outer joints, both being of the same size. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap® Airfree® inlet valve. Side neck can be fitted with a CG-3022 septum…

  • Flasks, Reaction, Single Neck, Airfree®, Schlenk

    Chemglass

    Kjeldahl shape facilitates heating and stirring while permitting easy transfer of liquids or solids. Lower portion of flask fits standard heating mantles. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap®…

  • Flasks, Heavy Wall, Round Bottom, with Thermowells

    Chemglass

    Round bottom, HEAVY WALL flask with a standard taper outer joint and a side well to accept a thermometer. Top of thermowell is tooled to accept a #0 rubber stopper.

  • Flask, Reaction, Cylindrical

    Ace Glass

    Cylindrical, heavy wall reaction flask with extra thick flat, ground flange. Without constriction at top to facilitate introduction/removal of material and allow for ease of cleaning. Available in 1L to 4L capacities, flat bottom and round bottom, with

  • Flasks, Tapered, European Style, 3-Necks, Jacketed

    Chemglass

    European style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid. With standard taper outer joints on center and side necks.

  • Kuderna-Danish Flasks

    Chemglass

    Lower body of flask has a hemispherical shape to afford continuous flow of heavier fractions to concentrator tube during reflux. Top joint is a 24/40 outer while the lower joint is a 19/22 inner. Available with and without hooks on the lower 19/22 inner joint.

  • SYNTHWARE Modified Schlenk Flasks with High Vacuum Valves

    Kemtech America

    SYNTHWARE modified Schlenk flask with a standard taper outer joint and a 0-4 mm high vacuum valve in the side arm. The valve has a PTFE o-ring at the tip. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate…

  • SYNTHWARE Round Bottom Reaction Flasks with Glass Stopcock

    Kemtech America

    SYNTHWARE round bottom single neck reaction flask with a standard taper outer joint and a 2mm bore glass stopcock sidearm. Useful for sample storage and simple reactions. The stopcock has a constant pressure retention device.

  • Flask

    Ace Glass

    Round bottom, cylindrical sides. Useful in many Mini-Lab Assemblies. Can also be applied to many other applications in the laboratory where a wide-mouthed flask of small capacity is desired. Available with 45/50 joint polished.

  • Flask, Cylindrical, Zero Dead Space Valve

    Ace Glass

    Heavy wall cylindrical reaction flask with Duran grooved flange opening. Flask has Zero Dead Space, (ZDS), bottom valve. The valve features no material hang-up in the fully open position. When closed, the valve seats flush with the bottom of the flask. Includes one CAPFE o-ring. See Ace 6517 for…

  • Flask, Round Bottom, Two Necks, Side Port, NO-AIR

    Ace Glass

    Round bottom, borosilicate flask with two necks and a side port with either a 2mm glass stopcock or a 0-3 Inlet valve. Excellent flask for reactions and NO-AIR or vacuum applications. Side port is available with either a 2mm glass stopcock or a 0-3 Inlet valve with 8mm end for use of a rubber septa.

  • Flasks, Heavy Wall, Round Bottom, 4-Necks

    Chemglass

    Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and 20º angled side necks.

  • 3 Neck Flat Flange Reaction Vessel Cover

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and two side necks with full length outer Standard Taper joints, this borosilicate glass 3-neck reaction vessel lid/cover has a flat flange. For use with large capacity cylindrical reaction vessels, 2000mL, 3000mL and 4000mL (LG-8082, LG-8084, LG-8085, and LG-8089). Flange…

  • Flask Single Neck, Side Arm, No-Air

    Ace Glass

    Round bottom flask with single neck with standard taper joint and a 8mm side outlet with either a 2mm glass stopcock or a 0-3 inlet valve. Ideal for Schlenk lines and either NO-AIR or vacuum applications. Includes one 9096-32 septa for side arm.

  • Pilot Plant Reactor, Cylindrical, 50L, 72L, 100L, 200L

    Ace Glass

    Large scale spherical pilot plant reactors providing self-contained reaction system for research and production purposes. Systems available in 50L, 72L, 100L and 200L capacities, with bottom outlet. Adjustable height top and bottom flask supports. Inte

  • Flask, Spherical, Zero Dead Space Valve

    Ace Glass

    Heavy wall spherical reaction flask with Duran grooved flange opening. Flask has Zero Dead Space, (ZDS), bottom valve. The valve features no material hang-up in the fully open position. When closed, the valve seats flush with the bottom of the flask. Includes one CAPFE o-ring. See Ace 6517 for…

  • Jacketed Indented Cylindrical Reaction Vessel with Flat Flange

    Wilmad-LabGlass - SP Scienceware

    These jacketed, cylindrical borosilicate glass reaction vessels have four indentations for improved stirring. They are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. Jacket has 1/2" hose…

  • CELLine Bioreactor Flask with Irvine Scientific BalanCD™ CHO Growth A Medium

    DWK Life Sciences (Wheaton)

    Thomas No. 1203X41 BalanCD CHO Growth A. It is a chemically-defined, no animal-derived media specifically designed for used in CHO cell applications. It works with both batch and fed-batch applications. Chemically-defined, no animal-derived components. Specifically designed to support…

  • Cylindrical Jacketed Reaction Vessels with O-Ring Flange

    Wilmad-LabGlass - SP Scienceware

    These cylindrical borosilicate glass reaction vessels are jacketed with 1/2" hose connections. They have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. NOTE: Use LG-7316 clamps.

  • 3 Neck O-Ring Flange Reaction Vessel Cover for Size 359 O-Rings

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and two side necks with full length outer Standard Taper joints, this borosilicate glass 3-neck reaction vessel lid/cover has an 6-5/8" flange O.D. and comes with a size 359 O-ring. Designed to be used with 2000mL, 3000mL, and 4000mL cylindrical reaction vessels…

  • Flasks, Heavy Wall, Round Bottom, 2-Necks

    Chemglass

    Round bottom, HEAVY WALL two neck flask with standard taper outer joints on both the center neck and vertical side neck.

  • 4 Neck Reaction Vessel Covers

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and three side necks with full length outer Standard Taper joints that are 120° apart, these borosilicate glass reaction vessel lids have a conical flange. Bottom flange ID is 4" and ground for a leak-proof fit with a reaction flask. For use with reaction vessels…

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