Ventilation Grille
Introduction
A ventilation grille is a device used to allow air to circulate between two spaces while keeping out larger objects like debris or animals. It typically consists of a frame with multiple slats or louvers arranged to form a grid, which can be mounted on a wall or ceiling to allow air to flow in or out.
Ventilation grilles are commonly found in buildings, where they are used to provide fresh air and maintain good air quality by exchanging stale indoor air with fresh outdoor air. They can also be used in heating, ventilation, and air conditioning (HVAC) systems to regulate air flow and temperature.
Different types of ventilation grilles are available, including fixed, adjustable, and motorized grilles. Fixed grilles have a fixed slat angle and cannot be adjusted, while adjustable grilles have slats that can be adjusted to control the air flow. Motorized grilles are powered by an electric motor and can be remotely controlled to adjust the air flow or direction.
Ventilation grilles are an important component of any building's HVAC system and play a crucial role in ensuring proper air circulation and maintaining a comfortable and healthy indoor environment.
Features
1. Corrosion resistance: Marine ventilation grilles are usually made of materials that can withstand harsh marine environments, including saltwater, humidity, and UV radiation.
2. Efficient airflow: Ventilation grilles are designed to allow efficient airflow through the ventilation system, helping to maintain the required air quality and temperature inside the vessel.
3. Durability: The grilles are usually built to last and withstand the rough conditions of the marine environment. They are resistant to impact, wear, and tear.
4. Easy to install: Ventilation grilles are easy to install and remove, which makes it easy to maintain and clean the ventilation system.
5. Safety: Marine ventilation grilles are designed to prevent the ingress of foreign objects, including debris, birds, and marine life, into the ventilation system.
6. Noise reduction: Some ventilation grilles are designed to reduce the noise level of the ventilation system, providing a quieter environment inside the vessel.
Specification
Main Dimensions
No. of bolt holes
Weight (kg)≈
DN
a×b
B×L
e
f
E
F
100
60×140
100×180
66
100
6
0.16
0.24
80×120
120×160
86
90
125
60×220
100×260
66
140
0.18
0.29
80×160
120×200
86
110
100×130
140×170
106
95
150
80×250
120×290
86
155
0.22
0.36
100×200
140×240
106
130
120×150
160×190
126
105
175
80×350
120×390
86
205
8
0.27
0.44
100×250
140×290
106
155
120×210
160×250
126
165
200
100×350
140×390
106
205
0.31
0.52
120×280
160×320
126
170
150×220
190×260
156
140
250
120×470
160×510
126
265
10
0.42
0.78
150×350
190×390
156
205
190×280
240×320
196
170
300
150×530
190×570
156
295
12
0.51
0.91
190×390
230×430
196
225
240×300
280×340
246
180
350
190×550
230×590
196
305
0.35
1.16
240×420
280×460
246
240
290×360
330×400
296
210
400
190×760
230×800
196
410
14
0.78
1.45
240×550
280×590
246
305
290×460
330×500
296
260
Blueprint
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