Chemglass Glass Joints & Adapters
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Flanges, Reaction Kettle
ChemglassConical style flange has an I.D. of 4in with a flat, ground surface used for construction of reaction kettles or flasks. Tooled on tubing having an I.D. of 105mm and an O.D. of 115mm. Supplied with approximately 7in of tubing below joint. Available tooled on longer lengths of tubing. Please contact…
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Adapters, Shower Head, Gas Scrubber
ChemglassAdapter attaches to the top of the exhaust gas outlet column and has an all glass shower head to disperse the scrubbing fluid down into the absorption column. Inlet connection is 1/2" Swagelok® tubing for use with CG-1975-20 compression fitting.
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Similar to the AF-0072 adapter, but with two #15 o-ring joints. Available in 0-4mm, 0-8mm or 0-12mm valve sizes. Each adapter is supplied complete with (2) #116 Viton o-rings.
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Standard taper outer joint tooled on the same size tubing as the CG-100 inner joints. All CG-102 outer joints are supplied standard with rings, but are available tooled without rings on a special order basis.
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Adapters, 24/40, Sampling
ChemglassSampling adapter for use with a 24/40 outer joint on the reaction kettle lid. Adapter is supplied complete with a 90° bore valve enabling connection to a luer type syringe for product sampling. Adapter has three inlets for use with 1/8” OD PTFE tubing or optional 5mm OD silicone septa.…
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Adapters, Inlet, Outer Joint
ChemglassAllows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure. Hose connection has an O.D. of 10mm at the largest serration.
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Adapter has a 1/4 " -28 thread that accepts a female luer lock adapter which provides a convenient way to connect solid phase extraction (SPE) cartridges, tubes, or syringes with a male luer lock fitting to a standard male taper inner joint. The adapter provides for easier sample concentration…
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Standard taper outer joints tooled with reinforcing rings.
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Lower Reservoirs, Gas Scrubbers
Chemglass3L 5-Neck heavy wall, round bottom flask lower reservoir for gas scrubber. Flask has a 60mm Duran Flange center neck, 2ea 45/50 outer joints, and 2ea 24/40 outer joints. Drain valve is a 0-14mm with Perfluoro o-rings. Valve is offset from the bottom of the flask to permit solids to settle and…
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Tubes, Screw Thread, GL
ChemglassScrew thread tube for replacement on apparatus using the GL thread, which is manufactured to I.S.O. specifications. (GL is the I.S.O. designation for GLASS.) To be used with a CG-196 solid cap with liner or a CG-195 cap with aperture and CG-197 silicone sealing ring.
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Removable Hose Connections, GL Threads
ChemglassPolypropylene hose connections with a Viton rubber seal for use with GL-14 or GL-18 glass screw threads for working temperatures up to max +110°C. Enables the connection of cooling or vacuum hose by simply screwing either style (straight or bent) onto the glass thread instead of forcing Tygon…
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Adapters, Thermometer, Inlet, 10° Offset
ChemglassAdapter has a #7 Chem-Thread at the top for vacuum tight seal of plain stem thermometers or any other tube having an O.D. between 4 and 7mm. When used with vertical side neck flasks, thermometers or bleed tubes can be angled into the bottom of the flask. Supplied complete with a compression cap and…
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Adapters for use with AF-0060 thru AF-0062 vacuum manifolds that permit the manifold to be utilized with a multitude of standard glassware or tubing products. The AF-0070 adapters are to be used with either a Cajon® fitting on the main ports or at the ends of the manifold with heavy wall rubber…
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Removable TFE Delivery Stems
ChemglassRemovable TFE delivery stem virtually eliminates the breakage normally associated with standard glass stem stopcocks. Made entirely of TFE, the stem attaches directly to the glass thread without o-rings or other gaskets. Glassware equipped with this stem can survive repeated forceful strikes to the…
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Outer Joints, Dewar Seal
ChemglassUsed in construction of apparatus requiring the outer member to be jacketed. Configuration of flare permits seal to be made without having to regrind the joint.
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Barrett style distilling receiver used to determine the water content in petroleum or bituminous material. Receiver is made according to ASTM specifications, with the addition of the top outer standard taper joint and lower stopcock. Available with glass or PTFE stopcocks.
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Distilling Column, Water Jacketed
ChemglassJacketed distilling column has indentations on the inner tube to support packing material. The jacket allows the column to be used as a condenser. Column has a top outer and lower inner standard taper joint. All sizes have an I.D. of approximately 10mm.
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Adapters, Connecting, Enlarging
ChemglassUsed to connect dissimilar standard taper joint sizes. Lower inner joint is smaller in size than the top outer joint.
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Special S-40 size ball and sockets compatible with Buchi rotary evaporator components. Both the ball and socket are tooled on Duran 34 mm O.D. x 2.8mm wall tubing.
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Distilling Column, Vacuum Jacketed
ChemglassHemple style distilling column, vacuum jacketed to improve performance. Indentations on the inner tube support the packing material. All sizes have an I.D. of approximately 10mm.
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Modified Dean-Stark receiver designed for solvents that are either lighter or heavier than water. The lower three-way PTFE stopcock allows for the withdraw or return of the distillate during the distillation process. With a 10/30 outer joint on the top of the vapor tube for a 3” immersion…
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Ground Joints, Outer, Full Length
ChemglassStandard taper outer joint tooled on tubing approximately the same diameter as the top reinforcing ring, affording no hold-up below joint.
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Similar to CG-1258 but with the addition of an overflow tube between the uptake tube and the graduated receiver.
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Distilling/Splitting Adapter
ChemglassCompact and simple distilling/splitter adapter for use with Chemglass process reactors. Vapor flows upward freely through the large vapors holes to the condenser. Distillate flow is directed using the valve to either the receiving flask or back to the reactor. Control valve is either a 0-4mm or a…
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Joints, O-Ring Seal
ChemglassJoint has an o-ring groove to accept the listed o-ring size. Provides for a grease-free, vacuum seal when used with CG-150 clamps. Each joint is supplied with a Viton o-ring of the listed size.
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Bubbler has an integral valve to control the flow of inert gas into the system. Bubbler requires a minimal amount of oil due to the inner tube being within 5mm of the bottom. Both sidearms are 9mm OD for use with 3/8" Cajon®; fittings. Overall height is approx. 220mm.
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Midget Bubblers, Graduated
ChemglassMicro impinger designed for sampling of small volumes of air at low jet velocity, as per EPA Method 6. Impinger bottle is graduated from 5 to 30mL in 5mL subdivisions. Both the bottle and stopper have 24/40 standard taper joints. The nozzle being replaced with an extra coarse fritted gas dispersion…
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NMR Tube Cleaner, 5-Position
ChemglassAll glass and PTFE design cleans five NMR tubes of the same, or various, lengths and diameters. PTFE adapter has five positions with flexible 1/8 " PTFE tubing supplied in 9 " lengths that can be cut to desired height. The NMR tube is placed over the tubing and seats in the adapter,…
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Distillation Head, Solvent, Modified
ChemglassDesigned to maintain distilled solvents in an inert atmosphere. Top of main vapor tube is open and an additional vapor tube has been added to decrease risk of pressure buildup. Upper sampling port has a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septa. Lower drain is centered…
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Adapters, Distillation
ChemglassWith standard taper outer joint at the top, and inner joints on the bottom and sidearm, all being the same size. Inner joints are at a 75º angle to one another.