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) |
| 7018-01 | POR/1/RA | 7 | 1 |
| 7018-02 | POR/2/RA | 7 | 2 |
| 7018-03 | POR/3/RA | 9 | 3 |
| 7018-04 | POR/4/RA | 7 | 4 |
| 7018-05 | POR/5/RA | 8 | 5 |
| 7018-06 | POR/6/RA | 9 | 6 |
| 7018-07 | POR/7/RA | 10 | 7 |
| 7018-08 | POR/8/RA | 11 | 8 |
| 7018-09 | POR/10/RA | 13 | 10 |
| 7018-10 | POR/15/RA | 19 | 15 |
| 7018-11 | POR/20/RA | twenty four | 20 |
| 7018-12 | POR/25/RA | 29 | twenty five |
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