欧美乱码伦视频免费_色琪琪www618seon_日本免费a∨片免费_久久久夜色精品亚洲a_午夜性大片_亚洲综合精品伊人久久

Internal thread check valve

PRODUCTS > Check valve > Internal thread check valve

Internal thread check valve

Product model:H11W
Nominal diameter: DN15~50mm
Nominal pressure: PN1.0~1.6MPa
Applicable temperature: -29℃ ~+425℃
Applicable medium: water, steam, oil, other corrosive medium
Scope of application: beer, beverage, dairy, pharmaceutical, biological engineering, etc.
shared:

[Standard parameter]

Design and manufactureGB12236
Structural lengthGB12221
Pressure temperature ratingGB9131、JB/T74、HG20604
Connection standardJB/T74、GB9113、HG20592-20635
Pressure testJB/T9092-1999、GB13927


[Valve features]
   Internal thread check valve, high precision, beautiful appearance, small shape, with a spring device, vertical and horizontal installation are all features. Mainly used to prevent the media back the use of pipeline system, internal thread check valve function is used to prevent the media back in the pipeline.

[Adaptive condition]
      The internal screw check valve is used in the pipeline of petroleum, chemical, thermal power station and other working conditions.

Name
Phone
Email
Corporate name
Address
Leaving Message*
 
Verification code
Submit
Next: Plug valve
主站蜘蛛池模板: 在线午夜av | 三年片在线观看免费大全爱奇艺 | 欧美性群另类交 | 真实国产普通话对白乱子子伦视频 | 亚洲国产日韩a在线乱码 | 女人18毛片水真多免费看 | 亚洲欧洲成人精品香蕉网 | 成人免费久久 | 欧美中文字幕一区二区 | 俺也来俺也去俺也射 | 国产高清japanese在线播放e | 大香伊蕉在人线国产av | 四虎影视在线看免费完整 | 欧美精品18VIDEOSEX性欧美 | 成年男人裸J照无遮挡无码 无码少妇人妻专区在线视频 | 级R片内射在线视频播放 | 殴美一级片 | 无码永久成人免费视频 | 学生在线精品一区二区 | 免费无码又爽又刺激动态图 | 美女狠狠操 | 亚洲一二三四2021不卡 | 国产精品欧美成人片 | 亚洲欧洲综合网 | 久久人午夜亚洲精品无码区 | 麻豆视频官网 | 国产成人麻豆精品午夜福利在线 | 免费丝袜脚足控网站 | 啦啦啦高清在线观看www | 欧美日韩色网 | 亚洲av乱码一区二区三区 | 成人做爰高潮尖叫声免费观看 | 国产精品黄页免费高清在线观看 | 午夜成人亚洲理论片在线观看 | 国内少妇BBWBBw黑森林 | 日韩av无码免费大片bd | 一个人在线观看的www高清免费 | jizzjizzjizzjizz日本老师 | 亚洲男人天堂2018av | a级大学生高潮片高清观看 jizz成熟丰满韩国女人 | 少妇高潮喷潮久久久影院 |