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Product Description
Circular Adjustable Damper for Air Piping of Marine Ventilation System CB/T 3726-1995 Type A
The Adjustable damper is also called the air volume control valve, which is used to seal the pipeline and adjust and distribute the air volume.
All models in the standard of CB/T 3726-1995 are manual operation type with a hand lever. they are suitable for various types of ship ventilation systems, but not for thermally insulated spiral ducts.
Type A of CB/T 3726-1995 is round ordinary type without airtight function while type B has. Type B are available in another link.
3726-1995 Type A Adjustable Damper Structure:
Dimensions Data Sheet of each Nominal Size-3726-1995 Type A Adjustable Damper
| Nominal | Main Size | Weight | |||||
| DN | D | D1 | L0 | h | H≈ | n | kg≈ |
| 80 | 135 | 116 | 100 | 14 | 135 | 4 | 1.4 |
| 100 | 155 | 136 | 145 | 6 | 1.6 | ||
| 125 | 180 | 161 | 160 | 1.9 | |||
| 150 | 205 | 186 | 170 | 2.2 | |||
| 175 | 230 | 211 | 185 | 8 | 3.2 | ||
| 200 | 255 | 236 | 150 | 19 | 195 | 4.3 | |
| 250 | 305 | 286 | 230 | 12 | 5.3 | ||
| 300 | 355 | 336 | 255 | 6.3 | |||
| 350 | 405 | 386 | 170 | 280 | 7.1 | ||
| 400 | 455 | 436 | 310 | 16 | 7.8 | ||
