Description
BOLA Mini 2-way stopcock UNF 1/4'' 28G with Ø 1,6 × 3,2 mm PTFE body provides a compact two-way shut-off solution for laboratory fluid handling. The valve is machined from polytetrafluoroethylene (PTFE) and incorporates a straight bore together with two connections: one internal UNF ¼" 28G thread and one external UNF ¼" 28G thread. An FEP stopcock plug completes the assembly, giving an overall height of 20 mm including the handle. Dimensioned for tubing with 1,6 mm inner diameter and 3,2 mm outer diameter (1/16 × 1/8''), the stopcock has a total length of 35 mm, allowing straightforward installation in tight instrument layouts. Supplied as a single piece from manufacturer Bohlender, this BOLA mini valve combines chemical inertness with a low-profile form factor. Net weight is 0,009 kg. It is well suited to analytical, preparative and process applications that require reliable isolation or routing of aggressive or high-purity media. The UNF 1/4'' 28G interfaces match common flangeless laboratory fittings, while the PTFE construction minimises contamination risk and supports long service life under demanding chemical conditions.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Material: Polytetrafluoroethylene (PTFE)
- Connection thread: UNF 1/4'' 28G
- Tubing ID × OD: 1,6 × 3,2 mm
- Bore type: Straight
- Total length: 35 mm
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Questions about BOLA Miniature 2-Way Stopcocks, UNF 1/4'' 28G, Ø 1,6 x 3,2 mm PTFE
What is this article?
BOLA Miniature 2-Way Stopcocks, UNF 1/4'' 28G, Ø 1,6 x 3,2 mm PTFE is the article on this page. Luminix Health distributes Bohlender 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. Delivery across Europe, two to five days when in stock. 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.