DURAN® Three-Way Stopcock, T-bore, with PTFE key
- Manufactured from borosilicate glass 3.3
- Three-way stopcock with PTFE key
- PTFE threaded key with T-port
- Grease-free working
- Three-way stopcock offers the following setting options: 1. Connection of two different attachments 2. Connection of all three attachments 3. Close all three attachments
- Glass articles for further processing
Products

| Catalog No | Stopcock (NS) | Bore (mm) | Diameter d (mm) | Wall Thickness s (mm) | Quantity | |
|---|---|---|---|---|---|---|
| 286417804 | 14.5 | 2 | 8 | 1.5 | 5 | Find a distributor |
| 286419805 | 18.8 | 2.5 | 9 | 1.5 | 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
T-valves are the most common form of three-way stopcock. The DURAN® three-way valve offers the following adjustment options: 1. Connection of two different attachments 2. Connection of all three attachments 3. Close all three attachments The polished version with PTFE plug allows grease free working.
Products
Products

| Catalog No | Stopcock (NS) | Bore (mm) | Diameter d (mm) | Wall Thickness s (mm) | Quantity | |
|---|---|---|---|---|---|---|
| 286417804 | 14.5 | 2 | 8 | 1.5 | 5 | Find a distributor |
| 286419805 | 18.8 | 2.5 | 9 | 1.5 | 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
T-valves are the most common form of three-way stopcock. The DURAN® three-way valve offers the following adjustment options: 1. Connection of two different attachments 2. Connection of all three attachments 3. Close all three attachments The polished version with PTFE plug allows grease free working.
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