Specialty Flasks
Specialty flasks are the backbone of many experimental setups, offering the durability and precision needed for demanding experiments.
Explore our diverse collection, including round bottom flasks, single neck flasks, bioreactor flasks, Ace Glass freeze-drying flasks, and 4 neck flat flange reaction vessel covers. All flasks are carefully designed to withstand the requirements of multiple research and analysis procedures.
In this category, you'll discover renowned brands such as Chemglass, Ace Glass, and Kemtech America, all known for their commitment to quality and innovation in lab glassware.
Whether you're searching for a Schlenk flask, a three-neck round bottom flask, a biomass flask, or a 3-neck flask for your lab, we offer a selection of flask options suitable for a range of experiements. Trust our specialty flasks to provide the precision and durability your research demands.
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Bench scale, 1000 - 6000mL, Clean-In-Place sprayer for use with either pressurized or vacuum assisted flask washing. All PTFE construction. Four, 3 inch sections with available extenders allow flexibility. Ace recommends that the sprayer ball be positi
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Flasks, PFA, Round Bottom, Three Neck
ChemglassAll 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.
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Flask, Pressure, Round Bottom
Ace GlassRound bottom, heavy wall, pressure rated flask. All flasks come complete with a solid PTFE plug seal with front seal FETFE o-ring for better containment of product. Vessels are tested at 1.5x for a working pressure rating at 60PSI at 120°C. Flasks
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CELLine Adhere
Argos TechnologiesCELLine Flasks are ideal for monoclonal antibodies and expressed recombinant cellular protein production. Viable in vitro alternative to using, standard cell culture or tissue culture products or mouse ascites. Bioreactors utilize innovative membrane technology to separate the cell cultivation area…
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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and 20º angled side necks. For Larger Flasks See CG-1524.
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CELLine Bioreactor Flasks
Argos TechnologiesCELLine Flasks are ideal for monoclonal antibodies and expressed recombinant cellular protein production. Viable in vitro alternative to using mouse ascites, standard cell culture or tissue culture products. Bioreactors utilize innovative membrane technology to separate the cell cultivation area…
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Flask, Reaction, Cylindrical, Plain
Ace GlassRugged cylindrical reaction flask with Duran ground flange with o-ring groove, for use with 6517 Quick Release Clamp. Each flask is supplied with one CAPFE (PTFE encapsulated silicone) o-ring. Plain silicone o-rings are also available (see 7855). For reaction heads, see 6528 or 6530. For…
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SYNTHWARE Modified Schlenk Flasks with Glass Stopcocks
Kemtech AmericaSYNTHWARE 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.
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Adapter Connecting, Side Outlet, NO-AIR
Ace GlassUsed for converting a single neck round bottom flask to air-free or vacuum applications. Outlet can be either 2mm glass stopcock or a 0-3 inlet valve. Upper and lower joint sizes are the same size. Great for adapting flasks and other components for Schlenk lines.
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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.
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4 Neck Flat Flange Reaction Vessel Cover
SP Wilmad-LabGlassFeaturing 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.
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Cylindrical Reaction Kettles
SP Wilmad-LabGlassCylindrically 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.
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Cylindrical Reaction Vessels with O-Ring Flange
SP Wilmad-LabGlassThese 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.
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Jacketed, spherical reaction flask with Duran flat flange and o-ring groove, for use with our 6517 Quick Release clamp. Bottom outlet features an Easy-Action plug controlling the 28/15 o-ring ball joint outlet. Jacket inlet/outlets are available with either tangentially sealed o-ring ball joints…
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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.
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Glassblowers Flask Blanks, Round Bottom
ChemglassBlanks for fabrication of single or multi-neck round bottom flasks. NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Flask, Single Neck, Pear Shaped
Ace GlassPear-shaped, single neck, heavy duty flask. Available with ground, polished and cap-seal joints. The cap-seal flasks are used in the Ace microscale chemistry product line and feature a 14/10 ground joint with external threads. Supplied with a holed cap
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SYNTHWARE Modified Schlenk Flasks with High Vacuum Valves
Kemtech AmericaSYNTHWARE 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…
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Lower half of flask has a jacket permitting heating or cooling of the contents with fluid from a constant temperature bath. The unique design of the Chem-Drain valve incorporates a PTFE plunger that allows the contents of the flask to drain directly through the bore of the plunger. When closed,…
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Reaction Flask, Removable Stopcock
Ace GlassWith 4mm bore stopcock for rapid removal of contents without disturbing the general arrangement of the apparatus. Stopcock is separated from lower section by 28/15 joint. Neck opening is standard 10.2cm (4"). For joint clamp, order 7669-12. Use 6496 Cl
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Benchtop Reactor, All-in-one, Jacketed
Ace Glass1L 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…
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Chapman Specific Gravity Flask
Gilson Co. Inc.Chapman Specific Gravity Flask determines percentage of surface moisture and voids in fine aggregates Upper and lower bulbs contain 175ml and 200ml Stem is graduated from 375—450ml
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Determines CO2 evolution to assess biodegradability by soil and sewerage micro-organisms. Shake flask fits standard laboratory shakers. #7 Ace-Thred side port with Nylon bushing and FETFE O-ring holds a glass septum adapter. Inner well has a capacity of 10 mL plus head space. Well is held securely…
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3 Neck Reaction Vessel/Kettle Cover
SP Wilmad-LabGlassFeaturing a center neck and two side necks with full length outer Standard Taper joints that are 180° apart, these borosilicate glass reaction vessel lids have a conical flange. The bottom part of lid is finely ground for a leak-proof fit with flask. LG-8030 is used on cylindrical or…
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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…
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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and 20º angled side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask.
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Made of high quality, heavy duty, 3.3 borosilicate glass Includes interchangeable glass penny-head stopper Perfect for any science or home laboratory Iodine flask with ground joint and interchangeable stopper made of high quality, heavy duty 3.3 borosilicate glass. Used for iodine value…
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Flask, Reaction, Spherical, Jacketed
Ace GlassRugged spherical jacketed reaction flask with Duran, flat, ground flange with O-Ring groove, for use with 6517 Quick Release Clamp. Each flask is supplied with one CAPFE O-Ring (PTFE encapsulated silicone O-Ring). 12L and larger are supplied with reference graduations. Inlet/outlets available with…
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Glassblowers Flask Blanks, Pear Shaped
ChemglassBlanks for fabrication of pear-shaped flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Instatherm Reaction Flask and Head
Ace GlassRugged cylindrical reaction flask and head with Duran, flat, ground 4" flange with O-Ring groove and integral heating element that eliminates the local superheating commonly associated with more conventional heating methods and eliminates cumbersome and dangerous oil baths. Response is rapid and…
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Iodine Flasks
DWK Life Sciences (Kimble)Iodine flask with size 22 stopper Size 22 PTFE standard taper stopper is included A durable matte-finish ceramic enamel marking spot takes writing and erases easily Designed from ASTM Specification E1404, Type II, Class 3 requirements
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Head, Duran Flange
Ace GlassFlat ground flange for use with all Reaction Flasks that have a 150mm (6") Duran ground mating flange. Supplied with three in line ground joints and one or two 90 degree joints. For thermometer or probe adapter, see our 5028 series. For clamp, see 6517.