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) |
| 7021-01 | POR/D/2 | 7 | 2 |
| 7021-02 | POR/D/4 | 7 | 4 |
| 7021-03 | POR/D/6 | 9 | 6 |
| 7021-04 | POR/D/8 | 11 | 8 |
| 7021-05 | POR/D/10 | 13 | 10 |
| 7021-06 | POR/D/15 | 19 | 15 |
| 7021-07 | POR/D/25 | 29 | twenty five |
