Description
Angle vacuum valve with a continuously adjustable bore of 0–4 mm is designed for controlled shut-off and flow regulation in laboratory vacuum lines. The valve combines a PTFE spindle with a PTFE-coated O-ring seal, giving reliable chemical resistance and a tight seal under vacuum conditions. Overall dimensions are 10 × 110 mm, making the compact angle form easy to integrate into glassware assemblies, manifolds and small-scale process setups. Supplied as a single piece with a net weight of 0,027 kg, the unit is suitable for routine vacuum work where inert wetted surfaces are required. The PTFE spindle and coated O-ring minimise sticking and simplify cleaning between runs. Typical uses include isolation of vacuum flasks, fine adjustment of evacuation rates and connection of side-arm apparatus in organic synthesis, distillation and drying applications. Manufactured by Witeg, this angle vacuum valve belongs to the standard laboratory stopcock and shut-off valve category and supports reproducible vacuum handling without metal contact in the flow path. The robust construction and defined bore range make it a practical choice for teaching laboratories as well as research benches that need dependable, chemically inert vacuum control.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Product type: Angle vacuum valve
- Bore: 0–4 mm
- Dimensions: 10 × 110 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.