Description
Shut-off valve G1'' is a ball valve with lever handle for controlled isolation in laboratory fluid and temperature-control lines. The valve is configured as G1" internal thread by external thread (IG×AG), offers full bore passage and is not self-sealing, so appropriate sealing practice at the joints remains essential. It is specified for operating temperatures from −10 °C to +80 °C and a maximum operating pressure of 20 bar, covering many routine laboratory circulation and transfer duties. Supplied as one piece and originating from Germany, the unit supports clear on/off control on compatible G1" piping and equipment ports. This shut-off valve from manufacturer Julabo suits baths, chillers and manifold sections where a full-passage ball valve with manual lever actuation is preferred. The lever handle allows quick visual status checks and straightforward operation during setup, maintenance or process changes. Integrate it where reliable mechanical isolation of liquid paths is required without restricting flow when open. Dimensional and pressure ratings should be matched to the host system before installation.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Product type: Ball shut-off valve
- Connection: G1" IG×AG
- Design: Full bore, lever handle
- Sealing: Not self-sealing
- Temperature range: −10 °C to +80 °C
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Questions about Shut-off valve G 1''
What is this article?
Shut-off valve G 1'' is the article on this page. Luminix Health distributes Julabo 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.
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We deliver across the EU, usually within 2 to 5 working days. More is on Delivery across the EU. 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.

