Marine Mushroom Ventilator Type B

Marine Mushroom Ventilator Type B:

Standard: CB/T295-2000

The marine mushroom ventilator is installed on the natural & mechanical ventilation device on the exposed deck of all sorts of ships. The feature is with reasonable structure, convenient opening & closing, weathertight.

*For Type B, when the h is over 900mm, it should be with the bracket.

*The height is decided by the user according to the actual situation.

 

Main Types:

Type A-Inside opening & closing Mushroom Ventilator

Type B-Outside opening &i closing weathertight Mushroom Ventilator (Welded installment)

Type C-Outside opening & closing weathertight Mushroom Ventilator (Bolted installment)

Type D-Fixed ventilator

 

Main Parts:

1-Handwheel

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

10-Oil Cup

 

Main Size List for Type B(mm):

Nominal Dia.(DN)	D1.	D2	H	H1	H2	d	t	weight(kgs)
250	440	200	220	90	210	Tr24*5-LH	9	52
300	530		265					65
350	620		310			Tr30*6-LH		81
400	710	280	345	105	230		10	98
450	800		375					124
500	890	320	405			Tr40*7-LH		148
550	980		435					167
600	1050		470	120	270			171
650	1160		500					210
700	1240		520					225
750	1320		540					259
800	1410		560	140	320			291
850	1500		580					322
900	1580	360	600			Tr46*8-LH		357
950	1670		620					387
1000	1760		640					420
1100	1930		680					515
1200	2100		720					585
1300	2270		760					659
1400	2440	400	800		350			674