久久久久久久久久亚洲_深夜福利久久久_欧美成人三级_午夜叫声理论片人人影院_CAOPROM国产在线视频_日本在线观看a

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: 女人奶头大一级毛片 | 成人免费黄 | 中文字幕+乱码+中文字幕 | 张馨予拍的三级未删减版 | 操操操视频 | a级黄色毛片三 | 色88久久久久高潮综合影院 | 99久久国产综合精品女同 | 女性影院 | 看全色黄大色黄大片女图片第一次 | 日本aaaaaa | 日本正能量不良网站 | 性欧美8处一14处破 午煮香蕉小辣椒 | 国产黄频在线观看 | 午夜国产羞羞视频免费网站 | 亚洲视频一区二区在线观看 | 国产在线观看超清无码视频一区二区 | 国产做爰xxx18在线观看网站 | 国产日韩欧美一区二区三区四区 | 亚洲视频免费一区 | www.五月天婷婷.com | 91久久久精品国产 | 欧美成年人在线观看 | 欧美大奶子视频 | www.欧美大片 | 91成人在线精品视频 | 亚洲欧洲日本无在线码天堂 | 精品一区国产VR | old老太videos老妇中国 | 亚洲AV成人无码网站在线 | 亚洲aⅴ精品国产首次亮相 国产精品亚洲电影 | 一二三四社区在线中文视频 | 少妇翘臀亚洲精品av图片 | 久久成年 | JIZZ护士奶水太多 | 在线观看欧美日韩视频 | 在线观看91精品国产麻豆 | 欧美日韩亚洲精品瑜伽裤 | 免费黄色av电影 | 南海有色南海灵通 | 91碰在线视频 |