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

PVHX/PVCX/Z45X

PVHX/PVCX/Z45X Flexible seat seal gate valve

Nominal pressure:PN1.0~2.5MPa
Nominal diameter:DN50~300mm

Dark rod elastic seat closed valve, the use of the whole gate rubber to produce deformation compensation effect to achieve a good sealing effect, to overcome the general gate valve seal poor, water leakage and rust phenomenon, more effective saving installation space. It can be widely used in tap water, sewage, construction, petroleum, chemical industry, food, medicine, textile, electric power, shipbuilding, metallurgy, energy system and other fluid pipelines as regulating and intercepting devices.


Main parts material

PVHX PVCX Z45X彈性座封閘閥03.jpg

PVHX PVCX Z45X彈性座封閘閥04.jpg

      <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: 拉孜县| 成全动漫影视大全在线观看国语| 欧美可以直接看的a片| 涿鹿县| 日本无码中文无码卡通动漫| 高清欧美性猛交xxxx黑人猛交| 欧美变态另类ZOZO| 绍兴市| 日本在线高清不卡免费播放| 大渡口区| 牟定县| 恩平市| 沙坪坝区| 少妇搡bbbb搡bbb搡野外| 明星| 乌审旗| 男人添女人荫蒂视频观看| 8848高清电影电视剧免费看| 日韩中文高清在线专区| 定襄县| 天津市| 巜人妻公妇の浮中字| 国产精品久久久久久久久久久久 | 日韩看人人肉肉日日揉揉| 宝坻区| 高中妺妺让我c了6次| 成人性生交大片免费看R链接| 庆城县| 娇乳欲女H奶汁翘| csgo高清大片955| 伊金霍洛旗| 欧美日本一区二区视频专区| 伽师县| 欧美日韩亚洲中字二区| 澄江县| 欧美亚洲久久综合精品| 日韩欧美亚洲每日更新在线| 日本暴力强奷免费视频| 银川市| 日本熟妇乱子a片| 欧美国产日产图区综合|