Vacuum Bell Jar

High quality glass bell jars with a glass knob at the top.  Ground flange to allow an excellent seal to vacuum pump plates. Safe at high pressures.

… Bottom flange has a finely ground finish to assure tight sealing with ground glass plates Dimensions (ID x OD): 1577J18 Jar: 5 1/8” x 5 1/2”; 1577J33 Jar: 6 1/8” x 6 1/2”; 1577J48 Jar: 8 3/8” x 8 3/4”. Height of jar (excluding knob) given in listings below.

Nalge 5305 series Transparent polyetherimide with amber cast As furnished with 1577T14 and 1577T18 Bell Jars. Replacement gaskets are available.

…polyetherimide jar inverted on white polycarbonate base plate that has removable tubing adapter for connection to 1/4-inch i.d. vacuum tubing Vacuum rating 29 inches Hg @ 25°C Jar has amber cast and seals against Neoprene gasket in base Molded circular ridges on base help to center jar,…

Holds a vacuum of 740 mm of Hg for 24 hours Lightweight and shatterproof vacuum desiccator; lid of transparent polycarbonate Removable pan holds calcium chloride or other drying agents; is non-corrosive Does not include desiccant or plate.

…balloon at high vacuum plus much more! Vacuum Pump Accessory Kit includes: 1 EA Acrylic Pump Plate 1 EA 6"x11" Glass Bell Jar 5' High Vacuum Tubing 2 Hose Clamps 1 Quart High Vacuum Pump Oil 3 EA Balloons 1 EA Petri Dish NOTE: Vacuum Pump NOT…

…oil becomes milky or cloudy. High Vacuum Grease This vacuum grease helps provide a proper seal between the vacuum pump plate and the bell jar so that high vacuum pressures can be achieved. "The Tank" Oil Change System All vacuum pumps require changing oil after every…

White polycarbonate Plate is 13 1/2” x 1” thick, with three concentric Neoprene gaskets, 8”, 11 1/8” and 9” o.d. Gaskets lie in channels separated by concentric ridges which serve to center and to brace rim of bell jar.

For use with bell jars up to 9" in diameter Plate is nickel-plated steel, 1 1/2" thick, ground flat to seal Has 1/4" hose connector; vacuum release valve and rubber sealing gaskets

…to prevent unnecessary turbulence. Polypropylene bottom section provides excellent chemical resistance. Polypropylene plate supplied is 1/8 inch thick with 1/8 inch diameter perforations for air transfer. Strong shatter-proof desiccator will hold a vacuum of 740 mm of Hg, for a period of 24 hours.

Suitable for bell jars with up to 9" Diameter Flange, Complete with a shut off valve.

…vacuum in the classroom.  Demonstrate water boiling at room temperature as well as what happens to a balloon at high vacuum plus much more! Vacuum Pump Kit includes: LAV-3/G 3cfm vacuum pump 1 EA Acrylic Pump Plate 1 EA 6"x11" Glass Bell Jar 5' High Vacuum…

…pressure. High Vacuum Pump Oil Fischer Technical High Vacuum Pump Oil is available by the quart in packs of two or cases of twelve. High Vacuum Grease This vacuum grease helps provide a proper seal between the vacuum pump plate and the bell jar so that high vacuum pressures can be…

Eliminates the need for lubricants and vacuum greases on ground-glass joints, desiccators, bell jars, etc. Provides a vacuum-tight seal, yet will release readily even after long periods of time.

Eliminates the need for lubricants and vacuum greases on ground-glass joints, desiccators, bell jars, etc. Provides a vacuum-tight seal, yet will release readily even after long periods of time.

…only and can be used with or without a vacuum. Full vacuum may be applied following supplied instructions for proper performance Polypropylene stopcock with PTFE Plug can be used with 0.25″ (6.4mm) ID tubing (tubing sold separately) Vacuum connection is located on the desiccator…

These PYREX® desiccator cover sleeve rings are replacements for 2.2L desiccators No. 3118-160.