Vacuum Dewar

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Vacuum Dewar
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  • Vacuum Trap, Dewar, Micro Reservoir Capacity: 100mL Stopcock: Glass or Teflon options available 2mm Stopcock Bore

  • Vacuum Trap, Dewar Type Capacity: 250, 500, and 1000mL available Stopcock: Glass or Teflon Options available Stopcock Bore: 4mm

  • Dewar style trap CONDENSERS designed for large volume solvent removal. Lower reservoir has a capacity of either 500 or 1000mL, with a 4mm PTFE stopcock. Serrated hose connections are 12mm at the smallest serration and 14mm at the largest serration. Optional UHMW Lid prevents evaporation of dry…

  • These vacuum lab-grade standard dewars are manufactured for efficient use with liquid nitrogen (LN2) and other liquid gases Dewar vacuum flasks are made of double-walled borosilicate glass, fully silvered, evacuated to 10-5 and covered by a protective mesh. Evacuation tips and flask…

  • …70mm Flask has weighted base for stability and a full length aluminum housing which extends to the top rim. *Due to extra high vacuum, the Dewar flasks still have a rare possibility to explode, so working behind a safety shield in hood and always wearing goggles are strongly recommended.

  • Vacuum Trap

    Ace Glass

    Used for freezing out undesired vapors in the vacuum system and also for use in conjunction with Dewar flasks.

  • Dewar Flask, Low Form, Hemispherical Multiple sizes available, with aluminum base to allow transfer of magnetic field. *Due to extra high vacuum, the Dewar flasks still have a rare possibility to explode, so working behind a safety shield in hood and always wearing goggles are strongly…

  • …or dry-ice 4 sizes available Our dewar flasks are rust-free, non-corrosive, hygenic and strong. Double-walled boroscilicate glass, vacuum pumped and silvered insures efficient storage, transport and use of liquid nitrogen and dry-ice. These Dewar Flasks have an all-stainless steel vented…

  • … Vented lid Suitable for LN2 or dry-ice 4 sizes available Blue metal cased economy Dewar Flasks are rust and corrosion resistant. Double-walled silvered boroscilicate glass, vacuum pumped insures efficient storage, transport and use of liquid nitrogen and dry-ice. Lid vent safely…

  • Twin chamber vacuum trap for double protection against undesired vapors in a vacuum system. Trap can be used in a two liter Dewar flask such as 12540-07. Distance from outside of one body to outside of other is approximately 97mm; height is 250mm. Inlet and outlet have serrated fittings; O.D. of…

  • Vacuum trap system protects gauge heads, like our 14034, and pumps from corrosive vapors and particle fouling. System consists of a Dewar flask, cold trap and inlet arm. High-vacuum stopcocks are used throughout. Gauge & inlet arm are Ace-Thred connections. Pump & manifold connections are o-ring…

  • …portable vacuum system has been designed to be a totally self-contained system for use in vacuum distillations, sample degassing, vapor pressure and other preparative work requiring vacuum to 1 micron.  Please Note: System is supplied complete as shown with the exception of the dewar flask,…

  • Modified version of 8750 series of vacuum traps, with side arm bent 90 degrees upward for easier attachment of vacuum tubing. For use with vacuum systems to capture undesirable vapors. Fits easily into Dewar flasks.

  • Liquid Dewars

    Horizon Scientific

    …efficient storage of LN2  Low LN2 consumption  Insulated neck tube  One-year parts & labor warranty  Three-year vacuum warranty ABS LD Class  5 Liter Liquid Nitrogen Capacity  0.15 Liter/Day Static Evaporation Rate …

  • Two-piece vacuum trap with #15 o-ring joints on both the inlet and outlet ports. The seal between the trap stopper and body is made with a 57mm flat o-ring flange for total grease-free operation when used with either the AF-0060 or AF-0061 manifolds. Trap body is 57mm OD x 300mm in length to be used…

  • vacuum pumps from contamination, these borosilicate glass vacuum traps are a one piece unit with two 3/8" hose connectors. Connectors are 180° apart to ease connection of heavy wall rubber tubing used in basic vacuum set-ups. These traps are frequently used with liquid nitrogen Dewars to…

  • …caps for extended holding. Aluminum metal housing extends full length of Dewar for added protection Vacuumed to the -5 torr for efficiency The Dewar lip is extended to facilitate pouring Bottom of Dewar base has a cushioned rim for added stability Polyethylene stopper, specially…

  • …with 4mm solid double oblique high vacuum stopcocks, CG-468-02, having a constant pressure retaining device, and 24/40 inner joints with hooks just above the grind. Ports are spaced 150mm center to center and have rod bracing to vacuum bank. Large ID of vacuum bank (40mm) provides for a substantial…

  • … Patented foam dewars provide a safe and durable vessel for handling liquid nitrogen, dry ice/acetone mix and cryogenic materials. Unlike conventional glass and stainless steel Dewar flasks which depend upon a vacuum layer for insulation, closed cell foam dewars use a fine closed cell…

  • … Patented foam dewars provide a safe and durable vessel for handling liquid nitrogen, dry ice/acetone mix and cryogenic materials. Unlike conventional glass and stainless steel Dewar flasks which depend upon a vacuum layer for insulation, closed cell foam dewars use a fine closed cell…

  • Highly conformable vinyl tape used for wrapping vacuum system glassware, Dewar flasks, etc., to reduce injury from implosions Used also for color coding or on ball mill containers Tapes withstand heavy abrasion and are resistant to most common solvents. They are subject to attack by…

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