A片粗大的内捧猛烈进出AVV_国产精品成人精品久久久_狼群社区在线看片_熟女精品视频一区二区三区_任你躁一区二区久久99_97精品一区二区三区

Electric wafer triple eccentric butterfly valve

Products > Butterfly valve > Electric wafer triple eccentric butterfly valve

Electric wafer triple eccentric butterfly valve

Model: D973H / Y
Nominal diameter: DN50 ~ 2000mm
Nominal pressure: PN16 ~ 64MPa
Body Material: WCB, 304,316
Connection: Wafer, flange
Design standards: GB / T12238-1989
Flange dimensions : GB / T9113.1-2000; GB / T9113.2-2000 GB / T9115.1-2000; GB / T9115.2-2000
Structure length: GB / T12221-1989
Pressure test: GB / T13927-1992; JB / T9092-1999
Contact purchase
shared:

1, Product overview
Electric wafer triple eccentric butterfly valve with a "U" stainless steel seal, the precision of the elastic ring and polished disc three-dimensional eccentric contact. It solves the defect that the traditional eccentric butterfly valve is still in sliding contact friction at the moment when the opening and closing is 0 ° ~ 10 °, so that the sealing surface of the butterfly plate can be separated at the moment of opening and the effect of closing the contact is sealed, thus prolonging the service life and sealing performance Good purpose. Therefore, it is widely applied to the pipeline of metallurgy, electric power, petroleum, chemical industry, air, gas, combustible gas and water supply and drainage corrosive media with medium temperature ≤550 ℃. It is the best device to regulate the flow and cut off the fluid.
 

2, Product features

1, the butterfly valve structure is simple, compact, light weight, easy to install and disassemble, easy maintenance; 
 2, the butterfly valve with stainless steel "U" ring, with a certain flexibility in both high temperature and low temperature, All have excellent sealing; 
 3, the three-dimensional eccentricity of the butterfly valve, after rigorous calculations, "U" type ring and disc almost no friction, long service life 
 , The sealing surface of the plate is cladded with cobalt-based cemented carbide, and the sealing surface is resistant to abrasion and long service life. 
 5. The butterfly valve has a unique structure and the "switch" can be completed by only rotating the valve stem by 90 °. Operation flexibility, convenience, effort, not affected by the level of media pressure, sealing performance and reliable; 
 6, high temperature, low temperature, corrosion resistance.

 

3, Main shape and connection dimensions

DNL0.25MPa0.6MPaHH11.0MPaHH1
D1D2Z-φdD1D2Z-φdD1D2Z-φd
5043110904-φ14110904-φ14702901251004-φ1890310
65461301104-φ141301104-φ14803001451204-φ18100320
80491501254-φ181501254-φ181103201601354-φ18120330
100561701454-φ181701454-φ181303351801558-φ18140345
125642001758-φ182001758-φ181453952101858-φ18155405
150702252008-φ182252008-φ181604002402108-φ23180420
200712801558-φ182801558-φ181854952952658-φ23205515
2507633531012-φ1833531012-φ1822057035032012-φ23240590

300

8339536212-φ2339536212-φ2330065040036812-φ23305655
3509244541212-φ2344541212-φ2331068546042816-φ23325700
40010249546216-φ2349546216-φ2333069051548216-φ26360720
45011455051816-φ2355051816-φ2336074056553220-φ25385765
50012760056820-φ2360056820-φ2338082062058520-φ25410850
60015470567020-φ2570567020-φ2542588572568520-φ30450910
70016581077524-φ2581077524-φ2547099084080024-φ305051025
80019092088024-φ3092088024-φ30530105595090524-φ345651090
900203102098024-φ30102098024-φ3058511651050100528-φ346201200
10002161120108028-φ301120108028-φ3064812351160111528-φ346931280
12002541320128032-φ301340129532-φ3473013351380132532-φ417801385
14002971520148036-φ301560151036-φ3480714051590152536-φ488621460
16003181730169040-φ301760171040-φ3490314751820175040-φ549981570
18003561930189044-φ301970191044-φ41108018202020195044-φ5411501890
20004062130209048-φ482180211048-φ48128021902230216048-φ5413402250
主站蜘蛛池模板: 中文字幕+乱码+中文乱 | 成人无码h真人在线网站 | 第一136av福利资源导航 | 欧一美一性一交一乱一乱一视频 | 午夜免费福利 | 精品欧美久久 | 午夜成熟看A级毛片 | 自拍日韩亚洲一区在线 | 亚韩天堂色总合 | 蜜臀久久99静品久久久久久 | 国产精品美女久久久久图片 | 国产精品高潮呻吟av久久4虎 | 男人女人午夜视频免费 | 国产乱码卡一卡2卡三卡四 国产香蕉一区二区三区在线视频 | 国产品无码一区二区三区在线 | 亚洲精品久久无码老熟妇 | 欧美性少妇xxxx极品高清hd | 久久99国产精品久久99软件 | 高清国产AV一区二区三区 | 国产在线精品一区 | 亚洲一区影院 | 免费AV片在线观看网址 | 中国的黄色一级片 | 国产精品欧美久久久久久日木一道 | 国产嗷嗷叫高潮快点再用力 | 黄色视频a级毛片 | 久久国产欧美日韩精品图片 | 麻豆av福利av久久av | 少妇被后进高潮动态图gif | 亚洲精品乱码久久久久久金桔影视 | 久久久精品人妻久久影视 | 好吊妞在线 | 亚洲区自拍区 | WWW射我里面在线观看 | 久久精品国产自在天天线 | 久久99精品久久久久久野外 | 性夜影院爽黄A爽AV 在线黄色国产 | 日韩欧美视频在线播放 | 少妇人妻综合久久中文字幕 | 99re久久资源最新地址 | 欧日av |