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GB 3887 Type A Weathertight Mushroom Ventilator
Description:
GB 3887-83 type A marine weathertight mushroom ventilator is fitted with rubber packing on the tope of the cover. It is designed for simply and easily open and closing by rotating the mushroom head. It can be tightened in the position by the positioning bolt at the side. It is normally for small independent room or cabin in the accommodation area
Main Technical Specification:
Main Technical Parameters:
| Nominal diameter DN | D | D1 | H | H1 | L | d | t | Weight | ||
| 150 | 150 | 250 | 100 | 40 | 250 | T24×5-left | 8 | 6 | 4 | 10.8 |
| 200 | 200 | 320 | 110 | 50 | 250 | T24×5-left | 8 | 6 | 4 | 12.3 |
| 250 | 250 | 390 | 125 | 65 | 300 | T24×5-left | 8 | 6 | 5 | 16.3 |
| 300 | 300 | 470 | 135 | 75 | 300 | T24×5-left | 9 | 6 | 5 | 19.8 |
| 350 | 350 | 540 | 150 | 90 | 350 | T24×5-left | 9 | 6 | 5 | 26.7 |
Drawings of GB 3887 Type A Weathertight Mushroom Ventilator Marine Outfitting