国产全肉乱妇杂乱视频,久久日产一线二线三线品,无套内谢少妇毛片A片樱花,日本激情特黄三级激情视频

Home / Product

Product

Low

Low temperature forged steel ball valve

Nominal pressure:Class150~1500
Nominal diameter:NPS1/2~32”

Low temperature ball valve is suitable for a variety of low temperature conditions, up to minus 196℃, such as liquefied natural gas, liquefied petroleum gas, industrial gas separation plants. Low temperature fixed ball valves use a variety of advanced designs, lip storage rings can be used for ultra-low critical temperatures, our low temperature tests have reached 32 inch ball valves.

Design standard: BS6364, GB/T 24925


Extension rod design


Helium low density experiment


Lip storage ring seal


The cavity depressurizes automatically


Adopts imported valve seat sealing material


Automatic valve seat pressure relief is suitable for a variety of different working conditions


Top top design can be maintained online


Product range

Body material: carbon steel, stainless steel, alloy steel, duplex stainless steel


Floating and fixed ball valves (side and top)


Caliber :1/2~32


Pressure :Class150~1500


Connection: RF,RTJ,BW


Operating temperature :-196℃~+200℃


Operation mode: Handle worm wheel electric head, pneumatic head, gas-hydraulic linkage head, electro-hydraulic linkage head


      <center id="vudui"></center>

      <center id="vudui"></center>

      • <u id="vudui"><listing id="vudui"><pre id="vudui"></pre></listing></u>
      • 主站蜘蛛池模板: 国产无线乱码一区二三区| 诱人的老师7HD中字| 成全二人世界免费观看| 成全影院电视剧国语在线观看| 人妻激情偷乱视频一区二区三区| 日本人妻伦在线中文字幕| 国产又爽又大又黄A片色戒一| 99精品久久毛片A片| 尤物视频在线观看| 三明市| 襄城县| 黄浦区| 暖暖完整版免费视频中文| 思茅市| 北票市| 国产乡下妇女做爰| 欧美日韩在线精品视频二区 | 日产精品一线二线三线芒果| 将乐县| 欧美牲交a欧美牲交aⅴ免费真| 午夜视频在线在免费| 亚洲****电影在线观看| 久热视频这i里只精品| 丰满少妇乱A片无码| 武汉市| 日本熟妇中文字幕无码| 夜夜穞天天穞狠狠穞AV美女按摩| 中文字幕在线观看| 谢通门县| 青草青在线视频在线观看| 《丰满老女人》伦理HD| 米易县| 欧美av电影| 社旗县| 亚洲国产成人精品久久久| 娱乐| 新安县| a片试看120分钟做受视频红杏| 西乌珠穆沁旗| 广水市| 攀枝花市|