Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd
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GB 3887 Type B Weathertight Mushroom Ventilator With Handwheel
Description:
GB 3887 type B Marine Mushroom Ventilator is weathertight ventilator It is fitted with handwheel open and closing cover with rubber seal. It has the function of anti-rat, insect- proof and fireproof, good ventilation effect, and reliable weather-proof. It can be positioned on position 1 and 2 of the freeboard deck.
Main Technical Specification:
Main Technical Parameters:
| Nominal diameter DN | D | D1 | H | H1 | H2 | d | t for Seagoing Vessel | t for Inland waterway ship | Weight kg |
| 400 | 400 | 710 | 280 | 350 | 105 | T36×6-left | 10 | 5 | 98.1 |
| 450 | 450 | 800 | 280 | 375 | 105 | T36×6-left | 10 | 5 | 124.2 |
| 500 | 500 | 890 | 320 | 405 | 105 | T40×6-left | 10 | 6 | 148 |
| 550 | 550 | 980 | 320 | 435 | 105 | T40×6-left | 10 | 6 | 167.6 |
| 600 | 600 | 1060 | 320 | 470 | 120 | T40×6-left | 10 | 6 | 171 |
| 650 | 650 | 1150 | 320 | 500 | 120 | T40×6-left | 10 | 6 | 210 |
| 700 | 700 | 1240 | 320 | 520 | 120 | T40×6-left | 10 | 6 | 224.9 |
| 750 | 750 | 1320 | 320 | 540 | 120 | T40×6-left | 10 | 7 | 259 |
| 800 | 800 | 1410 | 320 | 560 | 140 | T40×6-left | 10 | 7 | 290.8 |
| 850 | 850 | 1500 | 320 | 580 | 140 | T40×6-left | 10 | 7 | 322 |
| 900 | 900 | 1580 | 360 | 600 | 140 | T44×8-left | 10 | 7 | 357.4 |
Drawings of GB 3887 Type B Weathertight Mushroom Ventilator With Handwheel Marine Outfitting