亚洲一区欧洲一区_国产经典一区二区_岛国视频一区免费观看_小受咬床单失禁的GV在线观看_亚洲精品蜜夜内射_一性一乱一交一精一品

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: 免费的一级视频 | 国产成人精品区一区二区不卡 | 国产精品18久久久久久麻辣 | 国产91成人精品亚洲精品 | 凹凸69堂国产成人精品 | 国产成人亚洲综合青青 | 免费视频www在线观看 | 国产成人午夜福利r在线观看观看 | 国产精品一区二区久久久 | 一区二区三区中文 | 97视频精品| 国产精品亚洲аv无码播放 免费看毛片网站 | 99久久免费只有精品国产高潮 | 亚洲一区二区久久久 | 91特黄| 亚洲第一精品视频在线观看 | 国产日日日 | 日韩精品中文字幕在线播放 | 草逼欧美 | 青草青草久热精品视 | 国产精品视频 – 无名网 | 久久久久久久久久久久久久久国产 | 色七七桃花影院 | 中文字幕久久久久一区 | 国产精品久久久久久久久久久新郎 | 久久视频99 | 99re热这里只有精品最新 | 成人欧美亚洲 | 欧美性欲视频 | 久久99精品久久久久久 | 91在线无精精品秘?入口九色 | 91精品国产一区二区三区 | 久久精品免费一区二区三区 | 国内精品国产三级国产aⅴ久 | 国产成a人无v码亚洲福利 | 日韩免费视频中文字幕 | 亚洲欧美日韩精品a∨ | 日本爱爱一区二区 | 91久久国产婷婷一区二区 | av在线成人 | 麻豆文化传媒www网站入口 |