欧美精品在线视频,中文字幕台湾亚洲,可以免费观看一级欧美啪啪,91n免费处女在线破视频+进https://www.fqesyc.

Language:CHINESESENGLISH

Homepage > Product > Ventilation ball
Contact Us
  • Address:Pingtang Industrial District, Shipeng Village, Shishan Town, Nanhai District, Foshan City,
  • Phone:0757-81002668/0757-63323396
  • Fax:0757-81196682
  • Contact:梁先生/Mr Leung
  • Phone:18900873383/18900873268
  • E-mail:sbs@sbsprefabhouse.com
  • Skype: sbs-Candy
  • URL:http://szcxdj.com.cn

Ventilation ball

Ventilation ball

 

Natural ventilation device, also called the roof ventilator and natural ventilation ball, is ventilation equipment put on the top sides of the industrial buildings. Without electricity supply, it brings enough outdoor fresh air in 24 hours, promoting the plant air circulation convection and improved working environment.

Common material on the market: color steel and stainless steel (201 and 201 stainless steel material). This product is oil and electricity free, no need to repair with simple installation. It only needs 3.2 km/h wind or more than three degrees Celsius temperature difference between indoor and outdoor conditions to ensure operating 24 hours a day. It can reach the goal of ventilation.

Function: Produce air convection, heat release, reduce air conditioning load and increase indoor fresh air. It can also drain moisture, mildew and steam humidity from the roof, keeping the proof dry. Compared with heavy electric blowers, it reduces support costs and noise and saves electricity.

Application: Applicable to all factories, warehouses, and the roof ventilation, aeration, air release spaces.

Working principle:
1. Using principle air convection in nature, flow any parallel direction air, speed up and shift to vertical air flow.
2. Using stack effect produced by the buildings and equipment combination to achieve indoor ventilation.

Natural ventilation device airflow parameter list: air units: m3/hr
 

 

                            External wind speed
Specification

0.5

1

1.5

2

2.5

3

3.5

4

4.5

Ф300

7

15

67

126

187

352

668

1683

2472

Ф450

34

131

334

423

600

833

1417

2834

3960

Ф500

39

151

384

486

690

1015

1630

3259

4554

Ф600

61

173

684

985

1397

1890

2457

3410

4946

Ф800

92

260

1026

1478

2096

2835

3686

5115

7419

Hits:10501 Time:[2024-11-23]

Copyright:佛山市勝邦鋼結(jié)構(gòu)有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
久久精品国产精品青草图片| 国产精品性爱网站| 婷婷综合缴情亚洲狠狠| 午夜国产精品无码福利电影| 国产精品午夜成人福利在线观看 | 国产超碰人人做人人爽AⅤ| 爆乳奶水在线播放| 免费黄色日韩| 久久综合激情| 伊人天堂视频| 久久五月婷69| 99玖玖资源站中文字幕| 2023日韩无码| 岛国在线一区二区三区四区| 东京热无码吞精| 亚洲最大天堂网| 亚洲啪啪av资源天堂影音先锋 | 九九九真实少妇| 国产AV成人精品播放| 亚洲色图播放在线| 肥熟妇视频| 综合色桃花久久亚洲| 人妻一区二区三| 色多多免费看视频| 久久精品日韩AV| h国产免费观看| 国产精品XⅩXX| 亚洲国产成人久久99精品| 人妻三级日本香港三级极97| 国产精品久久久久久无码AV| 人妻色呦呦资源站| 国产精品无码在| 成年人在线观看视频| 狠狠综合久久综合88亚洲| 大胆AV毛片黄片免费看| 丁香四月久久伊人网| 欧州熟妇色xxxxx| 国产看黄在线视频| 亚洲欧美日韩天堂一区二区| 日本高清久久综合。| 在线免费观看成人午夜福利AV |