欧美性高清bbbbbbxxxxx_最近更新中文字幕在线_亚洲人a成www在线影院_欧美成人久久_国产黄色观看_日韩精品3

Electric globe valve

PRODUCTS > Globe valve > Electric globe valve

Electric globe valve

Product model:J941H
Nominal diameter: DN50~300mm
Nominal pressure: PN1.6~16.0MPa
Suitable temperature: ≤540℃
Main material: carbon steel, stainless steel and so on
shared:

[Essential information]

       Electric globe valve opening and closing parts are plug shaped valve, sealing surface flat or cone, fluid along the centerline of the valve for linear motion. Stem movement in the form of lifting rod (stem lifting, hand wheel not lifting), but also lifting, rotating rod type (hand wheel with the valve stem to rotate up and down, nut on the valve body). The electric valve is only applicable to fully open and fully closed, does not allow for adjustment and throttle.


[Standard parameter]

Design standardGB12235
Structural lengthGB12221
Flange dimensionGB9113 JB79 HG20592-20635

Pressure temperature rating

GB9131 JB/T74 HG20604
Pressure test GB/T13927 JB/T9092


[Valve features]

1, Compact structure, reasonable design, good rigidity of valve, smooth channel and small flow resistance coefficient.

2, The sealing surface is made of stainless steel and hard alloy, and the service life is long.

3, Flexible graphite packing, reliable sealing, easy and flexible operation.

4, Drive manual, electric, pneumatic, gear transmission, structure type: single flexible wedge gate, rigid wedge type single gate and double gate type.

5, Widely used in petroleum, chemical, thermal power plants and other oil products, steam pipes to connect or cut off the medium in the pipeline opening and closing device.


[Adaptive condition]
      Electric globe valve, the valve seat sealing surface by the iron-based alloy surfacing or Stellite (Stellite) surfacing cobalt based alloy, wear resistance, high temperature resistance, corrosion resistance, good anti abrasion performance, long service life, suitable for nominal pressure PN1.6 ~ 16MPa, various pipeline working temperature of -29~550 ℃ for petroleum and chemical industry, pharmacy, chemical fertilizer, power industry and so on, cut off or connected piping media. Driving methods are manual, gear drive, electric, pneumatic and so on.


Name
Phone
Email
Corporate name
Address
Leaving Message*
 
Verification code
Submit
主站蜘蛛池模板: 高清视频在线观看免费 | 四虎影院网站 | 精品国产一区二区三区香蕉 | 91在线短视频 | 久久中文高清 | 亚洲精品沙发午睡系列 | 老人与老人免费a级毛片 | 四虎影视网 | 欧美做a视频 | 好紧好滑好湿好爽免费视频 | 中文字幕第11页 | 国产精品香蕉在线观看首页 | 女人自慰喷水高清播放 | 国产精品成人永久在线四虎 | 欧州精品| 一级做a爱 | 成人精品一区二区三区校园激情 | 国产91精品入口福利 | 亚洲一区二区在线免费观看视频 | hdsex麻豆| www.一区二区.com | chinese国产xxxx实拍 | 久久亚洲综合精品99国产 | 成人亚洲a片v一区二区三区 | 欧美日韩高清一区二区三区 | 91麻豆精品国产91久久久资源速度 | 日本视频一二三区中文字幕 | 日日爱爱 | 19禁国产精品福利视频 | xxx国产精品视频 | 一机毛片 | 超碰在线中文字幕 | 日韩城人在线 | 四月是你的谎言动漫免费观看 | 人妻丝袜无码专区视频网站 | 哪里可以看毛片 | 国产人成一区二区三区影院 | 性做久久久久久免费观看欧美 | 国产特黄一级 | 欧美人与拘牲交大全视频 | 99热久久久久久久久久久174 |