美女av一区二区三区-亚洲日产韩国一二三四区-精品久久久久中文字幕加勒比-欧美饥渴少妇xxxxx性-中文字幕日韩人妻在线视频

All-weather breathing valve

Products > Flame arrester and breathing valve > All-weather breathing valve

All-weather breathing valve

Model: GFQ-11
Nominal diameter: DN25 ~ 250mm (1 "~ 10")
Operating temperature: -30 ~ 60 ℃
body material: carbon steel WCB, 304,316 stainless steel, aluminum
Application: gasoline, benzene, methyl stupid, the same kerosene, light diesel oil, crude oil and other chemical properties of the product storage tank
Connection: flanged (II) a threaded connection (III) male thread (IV)
Design standards: GB5908-86, GB1347 -92
Flange Standard: HG 20592-97, ANSI B 1.6, GB HGJ SH JB
Contact purchase
shared:

Scope of application The
       new all-weather breathing valve is suitable for storing Class A oil with flash point D at 28 ℃ and class B oil with flash point D at 60 ℃, such as gasoline, stupid, stupid, kerosene, light diesel oil, engine oil, crude oil, etc. Oil products and properties of the same chemical storage tanks. Can be used with the new corrugated flame arrester.


 
 Instructions for use
       Breathing valve installed in the top of the tank, is to solve the positive pressure tank, negative pressure gas, the tank of liquid access is not hindered, when the external liquid into the tank when a large number of gas out call (called positive pressure) . If the tank liquid output when the tank must be drawn into the tank from the outside air (called negative pressure). Stop breathing when the valve is automatically closed will not leak the liquid gas tank, so that the liquid inside the tank has been a good guarantee.


 
 MAINTENANCE AND SERVICING
       For the safety of the breathing valve, check whether the guide rod and the valve plate are flexible before use. This valve should be regularly (within 6 months) check the positive and negative valve disc is flexible, valve disc contact surface for damage, if damaged should be overhaul immediately. After maintenance, everything is normal and can be reused.

 

The main technical parameters

aJ positive pressure355pa (36mm water column)
Negative pressure295pa (30mm water column)
b-level pressure980pa (100mm water column)
Negative pressure295pa (30mm water column)
c-class pressure1765pa (180mm water column)
Negative pressure295pa (30mm water column)


 Parts and materials

Body materialCarbon steel wcb, stainless steel 304,316, aluminum
Positive pressure valve disc materialStainless steel 304,316, aluminum alloy
Negative pressure valve disc materialStainless steel 304,316, PTFE ptfe
Ambient temperature ℃-30 ~ 60


 GB flange connection Dimensions: gb, jb

specification

Installation size (mm)

d1

d

d3

h

mh

dn25701001151804 × 10

dn50

110

140

160

255

4 × 12

dn80

150

185

213

260

4 × 16

dn100

170

205

265

290

4 × 16

dn150

225

260

305

330

8 × 16

dn200

280

315

355

350

8 × 16

dn250

335

370

420

400

12 × 16


 American Standard flange connection Dimensions: ansi, api, asme for jis standard

specification

Installation size (mm)

d1

d

d3

h

mh

1"79.51081151804 × 15

2"

120.5

152

160

255

4 × 19

3 "

152.5

190

213

260

4 × 19

4 "

190.5

229

265

290

8 × 19

6 "

241.5

254

305

330

8 × 22

8"

298.5

343

355

350

8 × 22

10 "

362

406

420

400

12 × 25


Previous: Breathing valve
主站蜘蛛池模板: 国产精品成人嫩草影院| 亚洲精品久久久久国色天香| 国产亚洲精品久久一区二区三区| 男女性杂交内射妇女bbwxz| 中文字幕亚洲乱码熟女一区二区| 亚洲大乳高潮日本专区| 国产白浆喷水在线视频| 亚洲精品自产拍在线观看动漫| 丰满岳乱妇一区二区三区| 国产午夜成人无码免费看不卡| 欧美成人a天堂片在线观看| 欧美一进一出抽搐大尺度视频| 亚洲国产av精品一区二区蜜芽| 成人免费视频一区二区| 亚洲精品一区二区三区中文字幕| 人人草人人做人人爱| 人妻色综合网站| 日韩亚洲国产高清免费视频| 五月婷婷俺也去开心| 久久精品极品盛宴免视| 亚洲中文字幕在线无码一区二区| 97色伦综合在线欧美视频| 久久久久久毛片免费播放| 天天看片视频免费观看| 久久综合狠狠综合久久激情| 男人的天堂2018无码| 色av永久无码影院av| 伊人久久大香线蕉综合影院首页 | 色琪琪丁香婷婷综合久久| 久久久综合九色综合88| 暴力强奷在线播放无码| 国产在视频精品线观看| 97成人精品国语自产拍| 91精品少妇高潮一区二区三区不卡| 亚洲精品无码你懂的网站| 亚洲国产成人久久精品软件| 欧美性猛交久久久乱大交小说 | 久久婷婷五月综合色高清| 国产专业剧情av在线| 五十路丰满中年熟女中出| 狠狠噜天天噜日日噜色综合|