国产一区二区三区视频_韓國三級大全久久網站_天天操夜夜操夜夜操_亚洲综合成人一区_一区二区三区四区乱视频_天天操天天碰视频

  • 1
Welcome all the elite valve sales and special valve cooperation, development win-win! Tel 024-72602416

Products

Home  > Products

Special ball valve for water and electricity
Product introduction

Item No: QT-QFXXX-WY-XXX

Product standard: 9576-2000 JB/T

Nominal diameter: DN400-DN3000

Nominal pressure: 4.0MPa, 6.3MPa, 10MPa

Opening time: 30-150s

Closing time: 30-150s

Driving mode: Hydraulic

Main material: Cast Steel

Use and function: applicable to the medium containing sediment water and hydropower station water pipeline temperature are less than 80 of the opening and closing device; has advantages of small flow resistance, and closing a flexible, safe and reliable operation, convenient etc..

In case of unit failure, emergency shutdown of water and water to prevent accidents from expanding;

When the turbine is repaired, the water inflow of the turbine is cut off;

The long term outage, truncation upstream, reduce erosion of the turbine, to prevent the unit peristalsis.


Outline and installation dimensions

Main dimensions, dimensions and dimensions.


Products online booking
Product name Special ball valve for water and electricity
*Order quantity Corporate name
*Linkman *Contact number
*Phone Email
Address
*Message
*Verification Code Please enter what you see
 
? 主站蜘蛛池模板: 成人影院免费在线观看 | 日韩三级视频 | 久久婷婷激情综合色综合俺也去 | 成年人爱视频亚洲 | 亚洲视屏在线观看 | 亚洲444KKKK在线观看无码 | 亚洲国产成人精品无码区在线秒播 | 精品无码日韩国产不卡AV | 欧美大屁股xxxx高潮喷水 | 国产真实乱对白精彩久久 | 色八区人妻在线视频免费 | 天天综合一区二区 | 亚洲五月天综合 | 亚洲综合图片小说 | 亚洲一区精品无码色成人 | 潘金莲一级淫片aaaa | 久一区久久蜜桃 | 免费啪视频观在线视频浴室 | 一边摸一边做爽的视频17国产有奶水 | 天天干国产 | 乱人伦中文字幕 | 91精品啪在线观看国产商店 | 一区二区三高清 | 亚洲国产精品无码久久久动漫 | 可以免费观看的一级毛片 | 久久久大尺度 | 999精彩视频 | 国产在线看片无码人精品 | 国产真实乱对白精彩久久 | A级毛片高清免费视频在线播放 | 丰满少妇被猛烈进入 | 日本久久免费 | 国产精品一区二区久久精品 | 久久视频在线视频观看天天看 | 91天天综合 | 999精品 | 国产情侣一区二区 | 亚洲中文字幕无码久久精品1 | 在线观看日韩欧美 | 亚洲日本乱码一区二区在线二产线 | 精品一久久香蕉国产线看观看古代 |