Flexible tube of rust-resistant steel covered with rubber and wrapped with braided cotton cloth. Slip-on ends for attachment to 9mm gas lines. 3 ft. long.

Designed for pipe mounting, this burner features a flame stabilizer and a stopcock for gas control. A 1/8" NPT nipple is mounted below the stopcock for pipe mounting. Specifications: Gas type: Natural and LP Inlet OD: 1/8" NPT CFH*: 5.5 BTU Output*: 5,637.5 …

The Deluxe Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control for precise temperature control throughout the range. Includes magnetic circulator, ensuring constant water temperature, and, a stainless steel shelf, which…

When an extremely hot flame is required, these Meker-type burners form uniform blue cones of intese heat with no backflashes. Onepiece, nickel-plated venturi tube. Die cast, zinc alloy, nickel plated octagonal base. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for…

The Tirril Burner for Small-Scale Burning Test (ASTM D5025) supports the following standards: ASTM D5025 Humboldt's Flame Test Burners are designed to be used as ignition sources for small-scale burning tests, such as the UL flame test and other similar test standards. Supplied complete with…

Adjustable Band Clamp Kit for making a great carrying handle on beakers of all sizes.

These noiseless burners provide a clear flame of any desired height from 1/2" (12.7mm) to 12" (305mm), with separate control of both flame temperature and flame length. The burners incorporate threaded aluminum air control sleeves and precision machined, fine-pitch brass needle valves…

Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and…

Various tops for use with Humboldt burners.

Ideal for intermittent use without frequent relighting. The burner features a sleeve-type air regulator and stopcock for gas control and an integral pilot light tube with screw for adjusting the pilot flame. Specifications: Gas type: Natural Inlet OD: 3/8" (10mm) CFH*: 5.3 …

Used to protect flame from drafts. The unit features a set of spring clips designed to fit 7/16" to 5/8" (11mm to 16mm) burner tubes. The cone is spot-welded and is 2" (51mm) in diameter at the bottom.

These safe, simple and strong tubing clamps can be used on thin or heavy-wall tubing. Made of plated steel, the clamps incorporate a large aluminum knurled adjusting nut.

Screw Compressor Clamp, Standard Open-Jaw C-Clamp without side post. Jaw Opening: 0-7/8" (0-23mm) Max Height, 1-1/8" (30mm) Max Width

The Humboldt Medium, Riffle-type Sample Splitter supports the following standards: ASTM B215, ASTM C136, ASTM C702, ASTM C778, ASTM D421, ASTM D424, ASTM D457, ASTM D806, AASHTO T27, AASHTO T144, AASHTO T248 Humboldt, Riffle-type sample splitter can be used to divide or halve dry materials such…

This hand-operated centrifuge is ideal for rapid settling of suspended solids from small quantities of liquid in analytical or clinical procedures at speeds up to 2000 RPM. The hand crank and steel worm with bronze spiral gear is set at a 15 to 1 ratio. The long-sweep crank is detachable and…

Designed to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish.

This bleeder valve unit provides small needle-sized to large brush flame patterns for fusing ore, working Pyrex and soft glasses, and performing other high-temperature melting applications. Extremely accurate flame direction, from three interchangeable burner tips, a telescoping mixing tube sleeve,…

Designed to produce a broad, flat, fan-shaped flame. Ideally suited for use in bending glass tubing and other similar applications. Made of brass.

With a full 360° jaw rotation, this fully adjustable clamp is ideal for attaching to rods up to 3/4" (19mm) in diameter. The clamp has an aluminum muff with steel thumbscrew and phosphor bronze jaws. The maximum distance from the jaw to the muff is 4-3/8" (111mm) and the overall length is 5-1/2" (140mm).

Manufactured from heavy die-cast aluminum, this clamp is designed for clamping two pieces of apparatus into any of the three following positions: right angles, parallel, or vertically. The clamp will accommodate attachments up to 1/2"(13mm) in diameter.

Sand is specially graded natural silica sand to pass a No. 20 (850µ) sieve. Specific gravity is 2.65 Packed in 50 lb. (22.7kg) bags

The Humboldt Mfg. Co clamp holder is a critical item to have in any chemical laboratories to enhance the performance of various experiments and analysis.

Hook Collars are used for attaching pulleys, balances, cords, trusses, pendulums, and other apparatus to support rods. The collars are plated for corrosion resistance and are supplied complete with thumbscrew and hook.

Designed to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish.

The Humboldt Mfg. Co single ring tripod is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures long lasting usage.

Universal Penetrometers Direct-reading instrument for precision penetration measurements of bituminous materials, cement, petrolatum and waxes, as well as food, cosmetics and pharmaceutical products. Unit has 5" diameter indicator dial, graduated in 400 divisions of 0.1mm, corresponding to…

Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and…

Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections.  *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners.…

Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch…

Food, Paste, Paints; U.S. Dept. of Agriculture; Aluminum. Hollow 90° Aluminum cone and tip, Wt. 35g.

Recovery of used grease. Small obtainable samples; ASTM D1403, 1/4 scale. (Not considered a substitute for full-size cone specified in ASTM D217.) Wt. 9.38g.

Applications requiring 90° cones ASTM D217, D937 ASA Std. Z11.3