Specialty Flasks

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  • Cylindrical Reaction Vessels with O-Ring Flange

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass cylindrical reaction vessels 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.

  • SYNTHWARE Storage Flasks with High Vacuum Valve

    Kemtech America

    SYNTHWARE storage flask with high vacuum valve and side arm. Valve has a PTFE o-ring at the tip and PTFE wiper to protect the Viton o-ring on the shaft.

  • SYNTHWARE Schlenk Storage Tubes with High Vacuum Valves

    Kemtech America

    SYNTHWARE Schlenk storage tube with a high vacuum valve. The valve has a PTFE O-ring at the tip and a PTFE wiper to protect the O-rings on the shaft. Valve is used to control liquid or gas flow into the vessel.

  • 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.

  • 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…

  • 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…

  • Cylindrical Reaction Kettles

    Wilmad-LabGlass - SP Scienceware

    Cylindrically shaped, the upper end of these borosilicate glass reaction kettles are tooled to obtain a thickened portion and flat top.The finely ground tops create a leak-proof fit with covers LG-8030 to LG-8050, ML-1285 and ML-1286.

  • VITLAB, PFA Round Bottom Flasks

    BrandTech®

    These corrosion- and leach-resistant flasks are excellent for rotary evaporation and distillation of high-purity chemicals. They are manufactured from PFA (a perfluoroalkoxy polymer) for excellent resistance to heat and chemical contamination, as well as smooth surfaces that greatly simplify…

  • SYNTHWARE Heavy Wall Cylindrical Pressure Vessels

    Kemtech America

    Pressure Vessel, Heavy Wall, Cylindrical, Synthware, Capacity: 15-120mL available, GL Thread Size: 15, Vessel has an internal thread for use with PTFE bushing, O-ring is positioned above the thread for inproved sealing.

  • 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 angled side neck. Flasks with 10/30 side neck are for use with CG-3506 thermometers. The 29/26 center neck flasks have a groove tooled just below the grind to aid in clamping of the flask.

  • Flask, Reaction, Spherical, with Bottom Outlet

    Ace Glass

    Rugged spherical reaction flask with Duran style flat flange with O-Ring groove, for use with 6517 Quick Release Clamp. Various valve and bottom fitting configurations available, see individual listings. each flask includes a CAPFE (PTFE encapsulated silicone) O-Ring. Plain silicon O-Rings are also…

  • Flask, Reaction, Cylindrical, Jacketed

    Ace Glass

    Rugged cylindrical reaction flask with Duran, flat, ground flange and o-ring groove, with water/steam jacket. Jacket inlet/outlets are available with either 35/25 o-ring ball joints (sealed tangentially) or with Ace-Thred connections. For use with 6517 quick release clamp. Flask supplied with one…

  • 4 Neck Flat Flange Reaction Vessel Cover

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a flat flange. Use LG-7316 clamps. NOTE: LG-8087 is designed to be used with LG-8080, LG-8084, LG-8085, and LG-8089 cylindrical reaction vessels.

  • 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…

  • 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.

  • Kriel Reactor, Photochemical

    Ace Glass

    Reactor is most useful in prep-scale photolysis and features tapered sides which assures full submersion using our 7825-34 or 7825-36 lamps within the supplied quartz immersion well. A 20% savings in reaction time over round bottom flasks. Additionally

  • Class A Volumetric Saybolt Viscosity Flasks

    DWK Life Sciences (Kimble)

    KIMAX flask used in determining Saybolt viscosity of petroleum and bituminous materials. As described in ASTM test methods D88 and E102 Heavy walls and reinforced top Graduation ring blasted on neck Calibrated to contain Marking spot Manufactured from 33 expansion, low…

  • Flasks, Heavy Wall, Pear Shaped

    Chemglass

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

  • Reaction Vessel, Ultrasonic, Small Volume, 3-10mL

    Ace Glass

    Small volume reactor features tapered walls to allow sample size as small as 3ml. Two 14/20 side ports. Complete unit, code -25, includes a #25 Ace-Thred bushing for our 9852-41 slide adapter (not included). Order separately the 9852-41 slide adapter, 9814-25 horn, 9818-17 microtip extender for 3ml…

  • Reaction Flask, Spherical, Jacketed

    Ace Glass

    Spherical, jacketed reaction flask with 100mm (4") flat flange top. Jacket inlet/outlets available with either tangentially sealed 28/15 o-ring ball joints or with Ace-Thred connections. Use 6496-10 clamp to secure head to flask.

  • 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.

  • SYNTHWARE Immersion Well, Photochemical

    Kemtech America

    Immersion Well, Photochemical, Synthware, Without Joint, Outer Body Length: 390mm.

  • SYNTHWARE Round Bottom Two Neck Reaction Flasks with Glass Stopcock

    Kemtech America

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

  • 4 Neck O-Ring Flange Reaction Vessel Covers for Size 359 O-Rings

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a 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…

  • Reaction Flask, Spherical

    Ace Glass

    Rugged spherical flask with neck opening of 4" (10.2cm). Standard size flasks use regular Glas-Col heating mantles of equivalent capacity. Length of straight section including flange, approximately 9.5cm (33/4 "). Uses 6496 Clamp for securing flask hea

  • Stainless Steel Quick Release Clamps

    Wilmad-LabGlass - SP Scienceware

    Made entirely from stainless steel, these clamps firmly hold reaction vessels with Duran® flanges, and lids together. Quick release mechanism has a screw adjustment for tension control of flange.

  • SYNTHWARE Modified Schlenk Flasks with Glass Stopcocks

    Kemtech America

    SYNTHWARE modified Schlenk flask with a standard taper outer joint and 2mm bore glass stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

  • 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…

  • PTFE Boiling Flask, Round Bottom, Single Neck

    Ace Glass

    Round bottom,single neck,all PTFE boiling flask. Maximum temperature 260 degrees C.

  • Reaction Assembly, Spherical Flask, 12L thru 72L

    Ace Glass

    Complete reaction assembly available in 12L, 22L, 50L and 72L spherical flask capacities. Unit is complete with heating mantle and controls, mechanical stirrer and controls, pressure equalizing funnel and pilot plant condenser.

  • Flasks, Storage, Side Arm, Airfree®, Schlenk

    Chemglass

    Round bottom storage flask with a standard taper outer joint on the sidearm. The 50, 100 and 250mL sizes have a 0-4mm Chem-Vac™ Chem-Cap® valve while the 500 and 1000mL sizes have a 0-8mm valve size.

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

    Chemglass

    Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center neck and vertical side necks. Lower half of the flask is jacketed with two hose connections for circulation of heating or cooling liquid. Lower outlet is a CG-424-05, 4mm PTFE straight bore stopcock.

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