Description
Diaphragm valve VM 25 is a membrane valve intended for laboratory vacuum applications and controlled gas or vapour handling. The VM 25 model offers a robust option for scientific systems that require dependable flow isolation and regulation. It has a net weight of 0,500 kg and a gross weight of 0,700 kg, providing a stable yet manageable component for apparatus assembly. Packaged as 1 pc, the Diaphragm valve VM 25 from manufacturer VACUUBRAND is produced in Germany and classified among laboratory materials for vacuum technology. Its diaphragm construction supports clean operation in research environments where repeated actuation and sealing integrity matter. Users incorporate this valve into vacuum manifolds, process lines and analytical equipment to maintain consistent system performance. The balanced weight distribution assists secure mounting while the design remains suitable for standard laboratory vacuum configurations. This unit contributes to efficient vacuum control in experimental and routine scientific workflows that rely on durable diaphragm valves.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Product type: Diaphragm valve
- Model: VM 25
- Country of origin: Germany
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Questions about Diaphragm in-line valve VM 25
What is this article?
Diaphragm in-line valve VM 25 is the article on this page. Luminix Health distributes VACUUBRAND 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.

