Clamps
Adjustable devices designed to securely hold two objects together or to hold an object in place; used with standard-taper and ball-and-socket joints, glass and tubing assemblies, and with ring stands. Available as plastic joint clips, stainless steel pinch clamps, and taper clips.
A laboratory clamp is an essential piece of equipment used to support and secure labware and other laboratory apparatus such as flasks, reaction vessels, tubing, thermometers, probes, columns, funnels, and overhead stirrers.
Some laboratory clamps consist of a shaft and boss head, secured with hand-tightened thumbscrews, knurled nuts, or wingnuts onto a supporting rod, stand or scaffold. They may also include two- or three-pronged, adjustable closing jaws designed for gripping objects safely and securely.
Laboratory clamps are constructed of metals such as stainless steel, nickel-plated zinc, plated brass or diecast aluminum alloy for enhanced chemical, heat, and corrosion resistance. However, some components such as the adjusting screws may be made of plastic, and the prongs may also be lined or covered with cork, plastic, glass-fiber, or rubber for enhanced grip with minimal damage or breakage.
Laboratory Clamp Styles and Designs
• Universal, general-purpose clamps that are fully adjustable for accommodating and securing a wide range of items of different sizes such as columns and thermometers
• Retort clamps for securing round-bottom flasks and similar glassware
• Fork clamps for securing and supporting cone-and-socket ground glassware joints
• Three-prong extension clamps, sometimes available with spring-loaded jaws, for holding irregularly shaped or outsized objects
• Specialized clamps for securing burettes and condensers or reaction vessels
• Chain clamps, which incorporate a circular, adjustable chain loop to hold cylinders and beakers
Ace Glass, Inc. Joint clips, 19/22, Keck; type, POM acetal resin, not for positive pressure use, blue, pk/10
19/22 blue Keck type joint clips made from POM acetal resin. Clips will not scratch the glass, and are resistant to concentrated alkalies and dilute acids. Useful temp range: -40 to 140 C. Not for pressure applications. Pk/10.
Cole-Parmer Double Buret Clamp, Nickel-Plated Zinc, with Support Stand and Rod; Holds Up to 100 ml Burets
Hold one or two burettes up to 100mL. The one-handed, scissor-like mechanism provides quick and easy adjustment. Clamp is available separately or together with stand. Choose from clamp only double burette or clamp with support stand and rod.
Cole-Parmer Keck Metal Standard Taper Clip, Size 14, 6/Pk
These metal taper clips securely hold conical joints under pressure. Nickel-plated steel taper clips feature superior chemical and temperature resistance—withstand temperatures to 932°>F (500°>C).
Grainger 1/2 in Wide, Lined Worm Gear Hose Clamp; 10/pk
1/2 in Wide, Lined Worm Gear Hose Clamp; 10/pk.
Ace Glass, Inc. Coupling clamp, secures 28/15 glass joint to 28/15 stainless adapters
Coupling Clamp, 28/15 Adapters; ACE GLASS INC mfg# 12187-28
AVANTOR MASTERFLEX (VWR LLC) Bel-Art Flow Control Clamp, Delrin Screw Clamp, 3/Pk
DELRIN(R) resists weak acids, bases, and organic solvents. Controls flow in flexible tubing up to 1/2" (13 mm) OD. Replaces stopcocks in many applications. Install without disconnecting tubing. Autoclavable. Bel-Art.
Chemglass Life Sciences Clamp, Pinch, Stainless Steel, #75
Clamp, Pinch, Stainless Steel, #75. Made entirely of stainless steel. Part numbers CG-150-01 and CG-150-03 are supplied WITHOUT a screw type locking device. All other sizes have the screw type locking device.Note: The size #102 Stainless Steel pinch clamp is available on a special order basis.
Chemglass Life Sciences Clamp, Keck, Blue, Spherical Joint, Fits Joint Sizes 18/7 & 18/9
Clamp, Keck, Blue, Spherical Taper, Fits Joint Sizes 18/7 & 18/9. Made of Delrin, these clamps are non-corrosive and will not scratch glass. Can be used to 140 C. Color coded for easy identification. SOLD IN PACKAGES OF 10.
Chemglass Life Sciences Clamp, Keck, Brown, Standard Taper, Fits Joint Size 45/50
Clamp, Keck, Brown, Standard Taper, Fits Joint Size 45/50. Made of Delrin, the clamp is non-corrosive and will not scratch glass. Can be used to 140 C. Color coded for easy identification. SOLD IN PACKAGES OF 10.
Chemglass Life Sciences 100mm Quick Release Clamp, PTFE Coated
100mm Quick Release Clamp, PTFE Coated. Similar to CG-141 but with the entire clamp PTFE coated for chemical durability.
Chemglass Life Sciences Clamp, Pinch, Stainless Steel, #12
Clamp, Pinch, Stainless Steel, #12. Made entirely of stainless steel. Part numbers CG-150-01 and CG-150-03 are supplied WITHOUT a screw type locking device. All other sizes have the screw type locking device.Note: The size #102 Stainless Steel pinch clamp is available on a special order basis.
Chemglass Life Sciences Clamp, Pinch, Stainless Steel, #28
Clamp, Pinch, Stainless Steel, #28. Made entirely of stainless steel. Part numbers CG-150-01 and CG-150-03 are supplied WITHOUT a screw type locking device. All other sizes have the screw type locking device.Note: The size #102 Stainless Steel pinch clamp is available on a special order basis.