The unique design of our Tru-Stir™ stirrer shaft coupling eliminates the need to use rubber hose or universal adapters to attach your stirrer shafts to overhead stir motors. Coupling incorporates a unique helical stainless steel spring permitting up to 1/4” of offset misalignment and…

10mm O.D. shaft is constructed using a molding process whereas the blade is molded directly onto the PTFE coated stainless steel shaft. This makes the stirrer chemically inert, easy to clean and can be used up to 280°C. The top of the shaft has 50mm of exposed 1/4" diameter stainless steel…

Agitators are made entirely of PTFE and glass filled PTFE and are for use with 19mm or 25.4mm OD stirrer shaft CG-2097 and are available in 45°, 60° and 90° impeller angles. The 45° and 60° impellers are set up to stir downwards in a clockwise direction and upwards when rotated…

Blade is shaped to resemble the contour of a round bottom flask. Blades are available solid or perforated. Made of 3/16" PTFE to fit 19mm OD stirrer shafts. Minimum joint size listed is the size required to allow passage of the blade.

Agitators are made entirely of PTFE and glass filled PTFE and are for use with 10mm OD stirrer shaft CG-2075-B. Available in 45°, 60° and 90° impeller angles. The 45° and 60° impellers are set up to stir downwards in a clockwise direction and upwards when rotated…

FLAKE-FREE Chemically Resistant Maximum 500 RPM; Vacuum (~5 Torr) and Pressure (~3 PSI) Polymer Blend Sleeve Provides Excellent Wear Resistance For Use with Polished Glass, PTFE or Stainless Steel Stirrer Shafts Universal Chem-Vac™ PTFE stirrer bearing provides a VACUUM TIGHT…

Heavy duty 19mm stirrer bearing for use in stirring large volumes under high torque. Bearing has a tooled lubricant cup.PLEASE NOTE: NOT FOR USE WITH CG-2087 or CG-2088 PRECISION GROUND AND POLISHED STIRRER SHAFTS. STIRRER BEARINGS, 19MM, HEAVY DUTY, JACKETED, Similar to CG-2082 but with a water…

Replacement components for CLS-1414 and CLS-1415 Spinner Flasks.The Complete Impeller Assembly consists of top cap, silicone liner, glass rod, compression fitting magnet holder, paddle and magnetic stir bar.

Universal Stirrer Shaft Coupling incorporates a universal joint to compensate for misalignment of drive motor and glass stirrer shaft. Nylon bushing compresses around shaft using an allen screw. Steel stud attaches directly to the chuck of a stirrer motor. Supplied complete with an allen wrench. …

A 10mm OD precision ground and polished stirrer shaft with our patented** Chem-Stir™ blade attachment system. Shaft (C) has been manufactured with a ring at the lower end to permit attachment of the blade (B) with a PTFE nut (D) and bolt (A). Shaft is supplied complete with PTFE nut and bolt…

A 19mm precision ground and polished stirrer shaft to fit CG-2086 19mm PTFE bearings. Side button for attachment of CG-2089 PTFE stirrer blades. PLEASE NOTE: THESE SHAFTS ARE NOT TO BE USED WITH ANY TYPE OF GLASS BEARING. FOR GROUND SHAFTS USED WITH GLASS BEARINGS SEE CG-2085. ALSO NOTE:…

Blade is shaped to resemble the contour of a round bottom flask. Blades are available solid or perforated. Made of 1/8" PTFE to fit 10mm OD stirrer shafts. Minimum joint size listed is the size required to allow passage of the blade.

Heavy duty PTFE anchor made of 0.500” thick PTFE. Blade is shaped to mirror the contour of Chemglass cylindrical reactors. Designed for use with CG-2078 Chem-Stir® 10mm stirrer shaft. The blade is secured to the stirrer via a PTFE pin.  PLEASE NOTE: CG-2081-A-02 IS NOT…

Eliminates Flask Breakage: PTFE is the only contact in the lower radius of the flask, therefore breakage due to dropping the stirrer shaft has been eliminated. Eliminates the Frustration of Assembly: Unique design permits the proper amount of tension to be applied to the blade,…

Shaft is precision ground and polished to fit our CG-2076 and CG-2077 10mm PTFE bearings. Designed to be used with cylindrical type reactors. The straight glass blades are spaced 90° apart and angled 15°.  PLEASE NOTE: STIRRER SHAFTS ARE DESIGNED FOR COUNTER-CLOCKWISE ROTATION.

A 10mm precision ground stirrer shaft to fit CG-2070 through CG-2072 10mm bearings. Side button for attachment of CG-2080 or CG-2081 PTFE stirrer blades. PLEASE NOTE: THESE SHAFTS ARE NOT TO BE USED WITH ANY TYPE OF PTFE BEARING.  FOR POLISHED SHAFTS USED WITH PTFE BEARINGS SEE CG-2079.

Stirrer blade made of 1/8" thick solid PTFE for use with both Chem-Stir™ and button style stirring shafts having a 10mm OD.

A 10mm precision ground and polished stirrer shaft to fit CG-2076 and CG-2077 10mm bearings. Side button for attachment of CG-2080 or CG-2081 PTFE stirrer blades. PLEASE NOTE: THESE SHAFTS ARE NOT TO BE USED WITH ANY TYPE OF GLASS BEARING. FOR GROUND SHAFTS USED WITH GLASS BEARINGS SEE CG-2075.

Shaft is precision ground and polished to fit our CG-2076 and CG-2077 10mm PTFE bearings. Designed to be used with cylindrical type reactors. The curved glass blades are spaced 120° apart and angled upward.  PLEASE NOTE: STIRRER SHAFTS ARE DESIGNED FOR COUNTER-CLOCKWISE ROTATION.

High viscosity agitator, made entirely of PTFE and glass filled PTFE, provides excellent stirring at the bottom of 2L through 20L reactors, especially when heavy slurries are being mixed. Agitator attaches to stir shaft by both a compression fitting and a glass filled PTFE safety pin. Heavy…

PTFE gasket is 0.015" thick with an opening to fit Chemglass stirrer shafts. Gasket is placed below the CG-2048 Safety collar to prevent wear as a result of the collar rotating against the stirrer bearing. Also useful as a dust cover.

Grease-Free PTFE stirrer bearing designed for use under moderate vacuum applications. The bearing consists of a threaded glass adapter having an inner joint, a set of PTFE washer style bearings, a stainless steel spring, nylon alignment ring and Celcon® compression cap. The unique design of…

Support Stand was designed to accommodate vessels up to 10" diameter, to sit close to the support rod. Support rod is ideal for mounting stirring motors. Each of the four corners rests on a rubber cushion. The powder coated steel base measures 7.875” (200mm) W x 12.5" (316mm) deep…

10mm O.D. shaft is constructed using a molding process whereas the blade is molded directly onto the PTFE coated stainless steel shaft. This makes the stirrer chemically inert, easy to clean and can be used up to 280°C. The top of the shaft has 50mm of exposed 1/4" diameter stainless steel…

Semi-micro stirrer has a 10mm OD x 440mm long precision ground button style shaft and a 15 x 46mm TFE blade. Lower end of shaft has a reduced diameter to allow passage through a 19/22 outer joint. The 15 x 46mm blade can be used in flasks having a capacity of 100mL and above. Complete stirrer…

Precision ground and polished stirrer shaft for use with Chemglass process reactors. Designed to utilize CG-2095 and CG-2096 PTFE agitators. Lower portion of stirrer shaft is sandblasted and has a 3/8” wide flat.  Please Note: CG-2097-75 and CG-2097-100 are made from heavy wall tubing…

A 10mm precision ground and polished stirrer shaft for use with PTFE bearings and CG-2091 and CG-2092 PTFE agitators. Flat ground section extends half way up shaft and permits positive seating of the PTFE locking screws.

16mm O.D. shaft is constructed using a molding process whereas the blade is molded directly onto the PTFE coated stainless steel shaft. This makes the stirrer chemically inert, easy to clean and can be used up to 280°C. The top of the shaft has 50mm of exposed 1/2" diameter stainless steel…

This lightweight micro stirrer is ideal for use with tissue grinders having stainless steel pestles. Supplied complete with a stirrer/controller, tripod with a vertical support rod, clamp holder and a coupling to fit the 6.35mm diameter of the stainless steel pestle rod.

Features: Dry Running Mechanical Seal Rotates with the Shaft providing for a Vacuum and Pressure Tight Seal Maximum Vacuum Rating is 5 Torr, Maximum Pressure is 2-3 PSI. Unlike Conventional PTFE Bearings, Bearing will Not “Flake” Contaminating Your Reaction. All…

Agitators are made entirely of PTFE and glass filled PTFE and are for use with 30mm OD stirrer shaft CG-2097 in 75 and 100L reactors. The 45°; angle impellers are set up to stir downwards in a clockwise direction and upwards when rotated counter-clockwise. The upper agitator hub is open so that…

Assembly consists of a 10mm OD Chem-Stir™ stirrer shaft, a precision bore-bearing having a standard taper inner joint and a PTFE blade. The blade is sized to fit the listed flask capacities.