Cosmos Bead Co.
Cosmos Bead POR Type Greaseless Stopcock
Manufacturer: Cosmos Bead
Model: POR Type
Features
- * POR (fine thread) valves use a small handle thread pitch for gentle opening and closing.
- * A PTT (fast thread) type with a larger thread pitch is available for faster operation, with the same guaranteed vacuum level.
- * The stopper (piston) is also available in glass (hard grade 1 glass), with the same guaranteed vacuum level.
- * Other parts are available separately upon request.
| code | Model | Branch outer diameter (mm) | Branch inner diameter (mm) |
| 7020-01 | POR/T/1 | 7 | 1 |
| 7020-02 | POR/T/2 | 7 | 2 |
| 7020-03 | POR/T/3 | 9 | 3 |
| 7020-04 | POR/T/4 | 7 | 4 |
| 7020-05 | POR/T/5 | 8 | 5 |
| 7020-06 | POR/T/6 | 9 | 6 |
| 7020-07 | POR/T/7 | 10 | 7 |
| 7020-08 | POR/T/8 | 11 | 8 |
| 7020-09 | POR/T/10 | 13 | 10 |
| 7020-10 | POR/T/15 | 19 | 15 |
| 7020-11 | POR/T/20 | twenty four | 20 |
| 7020-12 | POR/T/25 | 29 | twenty five |
