Description
BOLA Eco straight-through stopcock plug NS 21,5 x 42 mm is a larger PTFE laboratory stopcock insert with a 6,0 mm through-bore and a finely finished surface for seating in corresponding ground glass joints. The design enables straight-through flow control and is completed with a polypropylene handle and M 14 nut together with a PTFE washer for fastening. Stopcock body material is polytetrafluoroethylene (PTFE); handle and nut are polypropylene (PP), while the washer is PTFE according to the stated construction. Joint size NS 21,5 x 42 mm, M 14 thread and 6,0 mm bore diameter define the geometry for this Eco series size, matching glassware that uses the larger standard joint and a wider passage. Net weight is 0,05 kg per piece. Supply unit is 20 pc(s). These plugs from manufacturer Bohlender are intended for assembly or replacement of straight-through stopcocks where PTFE body and washer materials, PP actuation hardware and a defined 6,0 mm bore are required for laboratory liquid or gas lines on NS 21,5 ground joints.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 20 pc(s)
- Product type: Straight-through stopcock plug
- Material: Polytetrafluoroethylene (PTFE)
- Ground joint size: NS 21,5 x 42 mm
- Bore diameter: 6,0 mm
- Thread: M 14
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Questions about BOLA Eco-Stopcock-Plugs, NS 21,5 x 42 mm Ø 6,0 mm M 14 Nut and grip made of PP r
What is this article?
BOLA Eco-Stopcock-Plugs, NS 21,5 x 42 mm Ø 6,0 mm M 14 Nut and grip made of PP r is the article on this page. Luminix Health distributes Bohlender for laboratory use. It sits in Rubber & silicone stoppers, inside Stoppers, caps & closures, in Labware.
A rubber or silicone stopper is pushed into a mouth. The size number corresponds to a top and bottom diameter. Silicone survives higher temperatures and more autoclave cycles. Natural rubber is attacked by oils and by some solvents.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Rubber & silicone stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Ground-joint glass stoppers, Lids & seals and Closures (other).
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 the EU, two to five days if 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.
