Round ventilating vavle
January 27, 2015 1:43 pm Comments Off| TYPE [mm] | d [mm] | h [mm] | a [mm] |
| 160 | 159 | 140 | 257 |
| 200 | 199 | 140 | 307 |
| 250 | 249 | 140 | 357 |
description:
- hot galvanized steel
- types: air supply valve and air exhaust valve
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