DURAN® Single-way Stopcock, with hollow key
- Manufactured from borosilicate glass 3.3
- Ground shut-off valve sleeve with hollow glass plug with glass handle
- High tightness
- With retaining device
- Taper 1:10
- Glass articles for further processing
Products

| Catalog No | Stopcock (NS) | Bore (mm) | Diameter d (mm) | Wall Thickness s (mm) | Quantity | |
|---|---|---|---|---|---|---|
| 286458804 | 14.5 | 2.5 | 9 | 1.5 | 50 | Find a distributor |
| 286459209 | 18.8 | 4 | 10 | 1.5 | 25 | Find a distributor |
| 286459406 | 21.5 | 6 | 13 | 1.5 | 5 | Find a distributor |
| 286459603 | 24 | 8 | 15 | 1.8 | 5 | Find a distributor |
| 286459809 | 29.2 | 10 | 18 | 2.5 | 5 | Find a distributor |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
DURAN® Single-way Stopcocks complete with hollow DURAN® key are well suited for work with temperature changes and higher tightness requirements.
Products
Products

| Catalog No | Stopcock (NS) | Bore (mm) | Diameter d (mm) | Wall Thickness s (mm) | Quantity | |
|---|---|---|---|---|---|---|
| 286458804 | 14.5 | 2.5 | 9 | 1.5 | 50 | Find a distributor |
| 286459209 | 18.8 | 4 | 10 | 1.5 | 25 | Find a distributor |
| 286459406 | 21.5 | 6 | 13 | 1.5 | 5 | Find a distributor |
| 286459603 | 24 | 8 | 15 | 1.8 | 5 | Find a distributor |
| 286459809 | 29.2 | 10 | 18 | 2.5 | 5 | Find a distributor |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
DURAN® Single-way Stopcocks complete with hollow DURAN® key are well suited for work with temperature changes and higher tightness requirements.
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