Description
Check valve with 2 olives Ø 9 mm for installation in hose lines is a glass safety component made from borosilicate glass 3.3. Designed to permit flow in one direction only, it prevents back-flow when integrated into flexible tubing systems used in laboratory gas or liquid transfer setups. The two olives of 9 mm diameter provide secure hose connections on both sides, enabling straightforward incorporation into existing lines. Borosilicate glass 3.3 ensures chemical resistance and optical clarity for visual monitoring of flow. Offered by manufacturer Rettberg, the valve is supplied as one piece with a net weight of 0,016 kg and originates from Germany. It is suitable for protecting sensitive apparatus, vacuum lines or reagent delivery systems against reverse flow. Compact construction and standard olive fittings make the check valve a practical addition to distillation trains, gas-washing assemblies and general fluid-handling circuits in research and teaching laboratories requiring reliable one-way control.
This article is part of Calibration, service & certificates.
Key features
- Pack size: 1 pc
- Product type: Check valve
- Material: Borosilicate glass 3.3
- Connections: 2 olives Ø 9 mm
- Technical Information Sheet:
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What is this article?
Non-return valve, 2 hose connection Ø 9 mm, is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Calibration, service & certificates, in Lab instruments.
A calibration compares an instrument with a standard and writes down the difference. The certificate is that comparison: the standard used, the points, the uncertainty, the date. Without it, a balance or a pipette is only claiming to be right. Accreditation is what tells you the laboratory that signed the certificate is itself checked. European comparison of standards is EURAMET. Belgian accreditation is BELAC. The units themselves are the BIPM.
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