DURAN® Single-way Stopcock, with SBW-J key
- Manufactured from borosilicate glass 3.3 and SBW-J
- Ground shut-off valve sleeve with SBW-J key
- The 3-part tap safety catch secures the tap plug in the tap sleeve
- With retaining device
- Taper 1:10
- Glass articles for further processing
Products

| Catalog No | Stopcock (NS) | Bore (mm) | Diameter d (mm) | ID (mm) | Wall Thickness s (mm) | Quantity | |
|---|---|---|---|---|---|---|---|
| 286403407 | 12.5 | 2 | 8 | - | 1.5 | 50 | Find a distributor |
| 286403604 | 12.5 | 2.5 | 8 | - | 1.5 | 50 | Find a distributor |
| 286404806 | 14.5 | 2.5 | 9 | - | 1.5 | 50 | Find a distributor |
| 286405408 | 14.5 | 4 | 10 | - | 1.5 | 50 | Find a distributor |
| 286406807 | 18.8 | 4 | 10 | - | 1.5 | 25 | Find a distributor |
| 286407203 | 18.8 | 6 | 13 | - | 1.5 | 25 | Find a distributor |
| 286412009 | 14.5 | 2.5 | 9 | - | 2.7 | 50 | 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 threaded valve plugs are the most common form of ground shut-off taps. The tap plug is secured in the tap sleeve by a 3-part tap safety catch.
Products
Products

| Catalog No | Stopcock (NS) | Bore (mm) | Diameter d (mm) | ID (mm) | Wall Thickness s (mm) | Quantity | |
|---|---|---|---|---|---|---|---|
| 286403407 | 12.5 | 2 | 8 | - | 1.5 | 50 | Find a distributor |
| 286403604 | 12.5 | 2.5 | 8 | - | 1.5 | 50 | Find a distributor |
| 286404806 | 14.5 | 2.5 | 9 | - | 1.5 | 50 | Find a distributor |
| 286405408 | 14.5 | 4 | 10 | - | 1.5 | 50 | Find a distributor |
| 286406807 | 18.8 | 4 | 10 | - | 1.5 | 25 | Find a distributor |
| 286407203 | 18.8 | 6 | 13 | - | 1.5 | 25 | Find a distributor |
| 286412009 | 14.5 | 2.5 | 9 | - | 2.7 | 50 | 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 threaded valve plugs are the most common form of ground shut-off taps. The tap plug is secured in the tap sleeve by a 3-part tap safety catch.
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