Product Description
High-vacuum work demands a stopcock that holds tight under reduced pressure, and this three-way design adds a vacuum chamber below the plug to help keep it seated. It switches flow between three ports with a double oblique bore, giving dependable switching on vacuum lines.
This listing is for Kimble catalog number 845100-0004: Three-Way Double Oblique High-Vacuum Stopcock, with Glass Plug, Bore 4 mm. The barrel and solid plug are borosilicate glass 3.3, ground to a 1:10 taper. The lower vacuum chamber sits outside the line of flow and must be outgassed in a separate step. The stopcock has a 4 mm bore and a 10 mm stem OD. LIGHT LABS ships genuine DWK Life Sciences products with knowledgeable support from our Englewood, Colorado team.
Key Features
- Vacuum chamber – Helps hold the plug seated under vacuum
- Three-way flow – Double oblique bore routes between three ports
- Solid glass plug – 1:10 taper for a close fit
- Borosilicate glass 3.3 – Durable and chemically resistant
Specifications
| Catalog Number | 845100-0004 |
| Brand | Kimble (DWK Life Sciences) |
| Description | Three-Way Double Oblique High-Vacuum Stopcock, with Glass Plug, Bore 4 mm |
| Sold As | Each |
| Material | Borosilicate glass 3.3 |
| Plug | Solid glass, 1:10 taper |
| Bore | 4 mm |
| Stem OD | 10 mm |
| Configuration | Three-way, double oblique bore with vacuum chamber |
Applications
- High-vacuum manifolds
- Gas handling lines
- Custom glassblowing
- Vacuum apparatus
