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Stopcocks, Keys & Valves

There are 18 products.

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Showing 1-16 of 18 item(s)

2 Way Stopcock for Glass Assembly, Glass and PTFE

2 Way Stopcock for Glass Assembly, Glass and PTFE

Glass or PTFE laboratory stopcock with a bore of 2.5 to 4 mm, ideal for accurate control of liquid and gas flow in scientific equipment. Manufactured according to DIN 12 540-1, with connection tubes from 8 to 13 mm. Available in multiple sizes and materials to fit various laboratory configurations.

€27.23 €22.50 Tax excl.

3 Way Stopcock for Glass Assembly, Glass and PTFE

3 Way Stopcock for Glass Assembly, Glass and PTFE

The laboratory stopcock is essential for connecting equipment and glassware, facilitating the handling of chemicals, solvents, liquids, and gases. Available in various capacities, it offers versatility, reliability, and precise flow control in industrial and scientific environments.

€39.03 €32.26 Tax excl.

Angled Glass Joint Adapter & Tube Connector, 29/32 Ground Glass Joint

Angled Glass Joint Adapter & Tube Connector, 29/32 Ground Glass Joint

90° Angled connector tube with two ground-glass male joints, SJ 29/32, and olive connection.
Complementary laboratory part or accessory for mounting on equipment
Borosilicate glass adapter

€18.51 €15.30 Tax excl.

Borosilicate Glass Tube with Conical Ground Glass Joint for Glass Assemblies

Borosilicate Glass Tube with Conical Ground Glass Joint for Glass Assemblies

Prefabricated borosilicate glass tube with ground finish. Ideal for customizing laboratory equipment, adapts instruments according to your needs. Available in various capacities, it has a total length of 100 mm with an internal diameter of 10 mm and an external diameter of 14 mm.

€4.05 €3.35 Tax excl.

Borosilicate Glass Tube with GL Thread for Glass Assembly

Borosilicate Glass Tube with GL Thread for Glass Assembly

Borosilicate 3.3 glass tubes with GL thread for laboratory glass assemblies.
High thermal and chemical resistance.
Available in GL thread sizes from GL14 to GL45.
Suitable for technical glassblowing, assembly, and customisation of apparatus for demanding laboratory applications.

€4.69 €3.88 Tax excl.

Borosilicate Glass Tube with Spherical Ground Glass Joint for Glass Assembly

Borosilicate Glass Tube with Spherical Ground Glass Joint for Glass Assembly

Standardized ground joint tubes available in male or female formats. Made from borosilicate glass 3.3. Models S13, S19, S29, S35, and S41

€10.35 €8.55 Tax excl.

Burette Straight Stopcock, Glass and PTFE, for Glass Assembly

Burette Straight Stopcock, Glass and PTFE, for Glass Assembly

PTFE Stopcock for Burette

This stopcock, available in various capacities, is made of Teflon (PTFE) and is ideal for precise liquid control. Compatible with steam sterilization, it offers high thermal and chemical resistance.

€24.79 €20.49 Tax excl.

Claisen adapter in borosilicate glass with three ground glass joints for distillation and multiple laboratory connections.

Claisen Adapter

The Glassco Claisen multiple adapter is essential for laboratory setups, offering secure and efficient connections. Manufactured according to DIN standards, it features two upper tubes and one lower tube with ground joints NS/JS, ensuring universal compatibility. Available in various capacities, its robust design guarantees durability and optimal performance.

€17.04 €14.08 Tax excl.

Dean-Stark Apparatus – Borosilicate Glass, with and without Condenser

Dean-Stark Apparatus – Borosilicate Glass, with and without Condenser

Dean-Stark apparatus for accurate determination of water in oils, fats, resins, and petrochemical products. Ideal for azeotropic distillation analysis. Made of high-resistance borosilicate glass.

€25.92 €21.42 Tax excl.

Distillation Adapter, Thermometer Outlet, 29/32 Ground Glass Joint

Distillation Adapter, Thermometer Outlet, 29/32 Ground Glass Joint

Angled Tube 75° with 29/32 Ground Glass Joint and Threaded Top Connection for Plain Stem Thermometers.
Complementary laboratory piece or accessory for assemblies in laboratory equipment.
Manufactured in borosilicate glass with two 29/32 ground glass joint and threaded outlet.
The lid with hole is to place a rod thermometer.

€47.19 €39.00 Tax excl.

Glass Bridge for Still

Glass Bridge for Still

The glass bridge for alembic is a key component in distillation, made from borosilicate glass for maximum thermal and chemical resistance.
Its double 90° angle design and ground joints ensure compatibility and efficiency across various capacities.

€18.08 €14.94 Tax excl.

Glass Vacuum Manifold Multiple Place with PTFE Stopcock

Glass Vacuum Manifold Multiple Place with PTFE Stopcock

Glass Vacuum Manifold with Multiple Outlets and PTFE Valves.
Connector tube with a 22 mm diameter made of borosilicate glass 3.3, designed to provide multiple connections for vacuum distribution or gas flow in laboratory assemblies.
Available in versions with 3 or 5 outlets, each ending in a 10 mm olive and spaced 60 mm apart for organised connections. The circuit includes stopcocks that ensure a leak-tight seal and precise flow control.
The stopcocks are manufactured from PTFE (polytetrafluoroethylene or Teflon), known for excellent chemical resistance and sealing performance.
Total length: 240 mm (3 outlets) or 360 mm (5 outlets).

€260.48 €215.27 Tax excl.

Hose-Connection Adapter, Ground Joint

Hose-Connection Adapter, Ground Joint

Borosilicate Glass Connector with standard ground joint and olive outlet. The 10 mm diameter outlet is made of polypropylene (PP) plastic. Ideal as a part or accessory for laboratory equipment. Available in various capacities.

€5.63 €4.65 Tax excl.

Kjeldahl Distillation Adapter

Kjeldahl Distillation Adapter

Kjeldahl anti-splash adapter with trap bulb for retaining foam, bubbles and splashes during boiling and distillation processes.
It is fitted between the flask and the condenser to improve the safety and cleanliness of the assembly.
Made of borosilicate glass 3.3 with male and female standard ground glass joints.
Available in 14/23 and 29/32 versions for different laboratory configurations.

€20.85 €17.23 Tax excl.

Perforated Plate Adapter with 29/32 Male and Female Ground Glass Joints

Perforated Plate Adapter with 29/32 Male and Female Ground Glass Joints

Adapter made of borosilicate glass 3.3 with standard SJ 29/32 male/female ground joint with inner glass grid.
Complement to the essential oil distillation equipment.

€110.11 €91.00 Tax excl.

PTFE Rotaflow Stopcock for Glass Assembly

PTFE Rotaflow Stopcock for Glass Assembly

Straight Rotaflow Laboratory Stopcock made of Teflon (PTFE). Ideal for various capacities, it features a regulating screw that adjusts the opening from 0 to 4 mm. Designed for welding and customizing equipment, its connection tubes are made of borosilicate glass 3.3 with a diameter of 10 mm.

€32.42 €26.79 Tax excl.