Weathertight Mushroom Ventilator Type C:
China Weathertight Mushroom Ventilator Type C:
Mushroom Ventilator is for natural ventilation, which is installed on the exposed deck or mechanical ventilation devices The feature is with reasonable structure, convenient opening & closing, weathertight. Type C can be closed/opened from the outside.
Standard: CB/T295-2000
Main Types:
Type A-Inside opening & closing Mushroom Ventilator
Type B-Outside opening &i closing weathertight t Mushroom Ventilator (Welded installment)
Type C-Outside opening & closing weathertight Mushroom Ventilator (Bolted installment)
Type D-Fixed ventilator
Main Parts:
1-Handwheel: Carbon Steel or SUS
2- Hood
3-Screw Stem
4-Seal
5-Weathertight cover
6-mouse proof,insect prevention screen or fireproof screen
7-Ventilator
8-Instruction stick
9-Casing Pipe
Main Size List(mm):
Nominal Dia.(DN) | D1. | D2 | H | H1 | H2 | d | t | weight(kgs) |
250 | 440 | 200 | 220 | 90 | 210 | Tr24*5-LH | 6 | 62 |
300 | 530 | 265 | 77 | |||||
350 | 620 | 310 | Tr30*6-LH | 96 | ||||
400 | 710 | 280 | 345 | 105 | 230 | 8 | 118 | |
450 | 800 | 375 | 147 | |||||
500 | 890 | 320 | 405 | Tr40*7-LH | 179 | |||
550 | 980 | 435 | 207 | |||||
600 | 1050 | 470 | 120 | 270 | 223 | |||
650 | 1160 | 500 | 249 | |||||
700 | 1240 | 520 | 274 | |||||
750 | 1320 | 540 | 309 | |||||
800 | 1410 | 560 | 140 | 320 | 359 | |||
850 | 1500 | 580 | 408 | |||||
900 | 1580 | 360 | 600 | Tr46*8-LH | 434 | |||
950 | 1670 | 620 | 455 | |||||
1000 | 1760 | 640 | 530 | |||||
1100 | 1930 | 680 | 601 | |||||
1200 | 2100 | 720 | 689 | |||||
1300 | 2270 | 760 | 761 | |||||
1400 | 2440 | 400 | 800 | 350 | 939 |