Mushroom Ventilation

Mushroom Ventilation

Introduction

Mushroom marine ventilation refers to a type of ventilation system used in boats and other marine vessels that uses mushroom-shaped vents to provide air flow. These vents are typically located on the deck or roof of the vessel, and their shape helps to direct air flow while also preventing water from entering the boat.

Mushroom vents work by allowing air to enter the boat through a hole in the deck or roof, which is covered by the vent. The shape of the vent helps to direct air flow, while also providing some protection against rain and spray. Some mushroom vents also have a built-in damper or valve that can be adjusted to control the amount of air flow.

Proper ventilation is important on boats to help prevent moisture buildup, which can lead to mold, mildew, and other problems. It can also help to reduce odors and improve air quality inside the boat. Mushroom vents are just one type of ventilation system that can be used on boats, and the best choice will depend on a variety of factors, including the size of the boat, the number of occupants, and the climate and conditions in which the boat is used.

Material

Airduct: Q235-A
Flame screen: 1Cr18Ni9
Screw: H62
Handwheel: Q235-A
Pointer: Q235-A

Type

Type	Name	Nominal diameter (mm)
A	Inside on-off hood ventilator	150~350
B	Outer on-off obturation ventilator	250~1200
C	Outer on-off obturation  axial flow ventilator	250~1200
D	Fixed ventilated canister	200~1200
E	Inside on-off obturation ventilator	150~350

Specification

Type	D1	H1	H
DN400	710	105	350
DN450	800	105	375
DN500	890	105	405
DN550	980	105	435
DN600	1060	120	470
DN650	1150	120	500
DN700	1240	120	520
DN750	1320	120	540
DN800	1410	140	560
DN850	1500	140	580
DN900	1580	140	600
DN1000	1760	140	640
DN1100	1930	140	680
DN1200	2100	140	720