亚洲情综合五月天-久久99国产精一区二区三区-久久天天躁夜夜躁狠狠85-成人免费看黄网站yyy456-日韩欧美群交p片內射中文-久久99热这里只频精品6

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: 日韩精品一区在线| 亚洲国产精品久久综合| 久久精品国产网红主播| 国产中文字幕久久| 国产精品99精品久久免费| 国产精品v欧美精品∨日韩| 日韩深夜福利| 国产成年网站| 欧美一级毛片一| 亚洲爆乳精品无码一区二区| a级毛片免费高清视频| 午夜成人理论无码电影在线播放| 激情小说图| 巨大黑人极品videos精品| 精品免费久久久久国产一区| 国产精品自产拍高潮在线观看| 第四色播日韩AV第一页| 亚洲一区二区三区中文字幕| 亚洲国产精品久久久久婷婷老年 | 性夜影院爽黄a爽在线看香蕉| 国模论坛| 国产亚洲欧美日韩亚洲中文色| 免费人成在线观看视频播放| 国产在线a| 大又大又粗又硬又爽少妇毛片| 欧美另类69xxxxx免费| 国产精品久久久久影视青草| 开心五月色婷婷综合开心网| 国产高清网址| 性xxxxx| 久久av高清| 小妖精又紧又湿高潮h视频69| 欧美激情在线精品一区二区 | 黄色毛片视频| 日韩在线精品视频| 99久久国产宗和精品1上映| 四虎成人精品一区二区免费网站| 91视频在线| 亚洲欧美日韩在线观看播放| 69精品丰满人妻无码视频a片| 人人做人人妻人人精|