Vacuum Adapter with PTFE Stopcock and Right-Angle Connection, BORO 3.3 Glass
- Vacuum adapter manufactured from BORO 3.3 glass for compatible laboratory applications
- Features a right-angle 90° connection for integration into laboratory vacuum systems
- Integrated PTFE stopcock provides manual control of gas flow through the adapter
- Features one male ground glass cone with ASTM-size 19/22 joint configuration
- Borosilicate 3.3 glass offers chemical resistance and low thermal expansion during use
- PTFE stopcock key offers chemical resistance for handling compatible laboratory gases
- Right-angle design supports convenient connections within laboratory glassware assemblies
- Suitable for compatible vacuum experiments, gas transfer and chemical laboratory setups
- Supplied individually, with one vacuum adapter and integrated PTFE stopcock per pack
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- Description
Description
The Vacuum Adapter with PTFE Stopcock and Right-Angle Connection, BORO 3.3 Glass, also known as a vacuum stopcock adapter, right-angle glass vacuum adapter or laboratory vacuum control adapter, is designed for connecting compatible laboratory glassware and manually controlling gas flow. Manufactured from borosilicate 3.3 glass, this adapter features a 90° connection, an integrated PTFE stopcock and a male 19/22 ground glass cone. Its compact construction supports laboratory vacuum and gas-handling arrangements. The right-angle connection allows the adapter to be incorporated into laboratory apparatus where a change in connection direction is required. This arrangement is useful for configuring vacuum lines and compatible glassware assemblies.
The PTFE stopcock provides manual control of the flow path, allowing users to open, restrict or close the connection as required by the laboratory procedure. PTFE offers resistance to many laboratory chemicals, while BORO 3.3 glass provides low thermal expansion and chemical resistance under appropriate operating conditions. The adapter features a 19/22 ASTM-size male ground glass cone, designed to connect with a matching female ground glass socket. Correct joint compatibility is essential for secure installation and appropriate sealing. Its integrated construction reduces the need for a separate flow-control component within suitable laboratory setups.
The adapter is suitable for laboratory vacuum experiments, controlled gas transfer, chemical research and compatible glassware assemblies, subject to the pressure and chemical compatibility of the complete system. Each unit is supplied individually as one glass vacuum adapter with an integrated PTFE stopcock. Safety Precautions: Inspect the glass and stopcock before use. Support connected apparatus with suitable clamps and verify joint compatibility. Do not exceed the operating limits of the complete vacuum system. Vacuum Information: The manufacturer does not specify a maximum vacuum rating, stopcock bore diameter or verified leak-tightness performance. These requirements must be confirmed before use in critical vacuum applications.
LabChoice Australia supplies BORO 3.3 laboratory glassware, vacuum adapters and ground glass accessories for universities, research laboratories, chemistry facilities and industrial laboratories across Australia.
| Item Code | Cone | Pack of |
|---|---|---|
| LC-13-VARA8041 | 19/22 | 1 |
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We ordered a set of customised BORO 3.3 borosilicate glassware for our teaching labs, and LabChoice Australia exceeded every expectation. From the first consultation to final delivery, their team listened carefully, offered expert advice, and ensured every piece matched our specifications perfectly.
The clarity and precision of the glassware are exceptional, and the quick turnaround made setup effortless. It’s refreshing to work with an Australian supplier who genuinely understands laboratory needs and takes pride in quality craftsmanship. We’ll definitely be returning to LabChoice for future glassware requirements
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Our lab required high-precision BORO 3.3 glassware for analytical testing, and LabChoice Australia delivered outstanding results. The ordering process was simple, communication was clear, and every beaker and flask arrived perfectly calibrated and ready for use.
The quality of the glass is exceptional — resistant to heat, easy to clean, and consistently accurate in measurement. It’s reassuring to know there’s an Australian supplier that combines scientific precision with genuine customer care. I’d recommend LabChoice to any research team looking for dependable labware
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We needed a set of customised borosilicate glassware for a specialised project, and LabChoice Australia delivered exactly what we envisioned. The team worked closely with us from design to production, ensuring every detail met our specifications. The craftsmanship is exceptional, and the turnaround time was impressive. It’s reassuring to know we can rely on them for unique, made-to-order pieces
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LabChoice Australia has completely changed the way we source our lab glassware. The quality is consistently top-notch, and every piece meets the precision we need for reliable results. Their team knows their stuff, answers our questions quickly, and always goes the extra mile to help — they’re more like partners than just a supplier.
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We trust LabChoice Australia because they deliver every time. Their borosilicate glassware is durable, accurate, and perfect for the high-heat work we do. Everything arrives well-packed with clear specs, so there are never surprises. It’s reassuring to deal with a supplier who understands both compliance and the demands of a busy lab