Description
BOLA pressure holding valve with manual venting is a compact laboratory valve designed for controlled pressure maintenance in fluid systems. The flow body is manufactured from PTFE and fitted with two GL 18 connections; the medium contacts only PTFE, giving broad chemical resistance. A PPS valve head carries a toggle for manual venting by pulling, together with an adjusting screw and lock nut that set and lock the working pressure anywhere from 0,1 to 10 bar (factory setting 1,5 bar). The through-bore measures 6 mm and the overall envelope is 88 × 54 × 116 mm (L × D × H). Net weight is 0,239 kg. Supplied as a single unit from manufacturer Bohlender, the valve is suited to laboratory and pilot-plant lines where reliable back-pressure control and easy manual relief are required without compromising chemical inertness. Its robust construction and simple mechanical adjustment make it a practical choice for continuous or batch fluid handling under moderate pressure.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Connection thread: GL 18
- Pressure range: 0,1–10 bar
- Factory setting: 1,5 bar
- Through-hole: 6 mm
- Flow-path material: PTFE
- Technical Information Sheet:
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Questions about BOLA Pressure-Relief Valve with Manual Ventilation, GL 18 Pressure range: 0,1 -
What is this article?
BOLA Pressure-Relief Valve with Manual Ventilation, GL 18 Pressure range: 0,1 - 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.
