Description
Check valve PP, 1/2'' internal thread is a compact non-return valve for laboratory and process fluid lines where backflow must be prevented. The body combines polypropylene and POM, with an EPDM seal and a spring in stainless steel 1.4401, giving a durable assembly for aqueous and many chemical media compatible with these materials. Maximum operating pressure is 6 bar at +20 °C, maximum operating temperature is 80 °C, and the opening pressure difference is 12 mbar, supporting responsive one-way flow control in low- to medium-pressure setups. The 1/2'' internal thread connection integrates readily into standard laboratory tubing and fitting systems. Offered as a single piece from manufacturer Bürkle, with a net weight of 0,032 kg, the valve is practical for installation on sampling lines, transfer systems and equipment circuits classified under check valves. Non-sterile construction suits general laboratory use; users should confirm chemical compatibility of PP, POM and EPDM with the intended medium before continuous service.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Body materials: PP and POM
- Seal / spring: EPDM / stainless steel 1.4401
- Connection: 1/2'' internal thread
- Max. operating pressure: 6 bar (at +20 °C)
- EAN: 4067722021382
- Technical Information Sheet:
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Questions about Non-return valve PP, 1/2''inner thread
What is this article?
Non-return valve PP, 1/2''inner thread is the article on this page. Luminix Health distributes Bürkle 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.