Description
Angle vacuum valve offering an adjustable bore of 0–6 mm for flexible vacuum control in laboratory glassware systems. A PTFE spindle paired with a PTFE-coated O-ring seal provides chemically inert sealing surfaces that resist sticking and maintain vacuum integrity during repeated open–close cycles. The angled body geometry allows convenient side-arm mounting and space-saving installation on manifolds, reaction vessels and vacuum lines. Delivered as one piece with a net weight of 0,032 kg, the valve is ready for immediate integration into existing setups. Its PTFE-wetted design is well suited to organic solvents and common laboratory atmospheres where metal-free flow paths are preferred. Applications range from isolation of evacuated apparatus and fine regulation of pump-down rates to temporary shut-off during sample transfer or solvent removal. From manufacturer Witeg, this angle vacuum valve fits the stopcock and shut-off valve segment used daily in synthesis, distillation and drying workflows. The larger 0–6 mm bore supports higher conductance when faster evacuation is needed, while still permitting precise throttling for sensitive operations.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Product type: Angle vacuum valve
- Bore: 0–6 mm
- Spindle material: PTFE
- Seal: PTFE-coated O-ring
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Questions about Straight vacuum stopcock PTFE
What is this article?
Straight vacuum stopcock PTFE is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Stopcocks & valves, inside Tubing, hoses & fittings, in Labware.
A stopcock opens and closes a line, or directs it between ports. Glass stopcocks have a ground plug that needs grease or a PTFE key. The bore decides the flow. A two-way and a three-way key are different parts.
Tubing is how a liquid or a gas moves between two vessels without being poured. Silicone stays flexible and survives repeated autoclaving. PTFE resists almost every solvent and is stiff. PVC is the ordinary flexible line for water and for mild aqueous work. The fitting, not the tube, is what usually leaks: the barb, the thread and the stopcock have to match the tube bore. Glass and plastic apparatus around these lines is indexed under ISO laboratory ware.
Which category should I open next?
The category is Tubing, hoses & fittings. The sub-category is Stopcocks & valves. The catalogue is Labware.
Shelves beside this one are Hose connectors, adapters & fittings, PVC, PTFE & other tubing, Silicone tubing and Tubing accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.