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

Rubber

Rubber sealed gas gate valve

Nominal pressure:≥PN1.6
Nominal diameter:DN100~300mm

Application characteristics

It can only be fully opened and fully closed, and can not be adjusted and throttled. The dark rod elastic seat seal gate valve uses the whole valve package to produce deformation compensation to achieve a good sealing effect, which overcomes the phenomenon of poor seal, leakage medium and rust of the general gate valve, and more effectively saves installation space. The valve plate is fully coated and fully vulcanized with oil and gas resistant NBR synthetic rubber due to the compression resilience of the rubber, the double-layer bonding vulcanization process and the robust valve plate design, these characteristics give the valve excellent durability. The triple-safe stem seal system can be replaced with pressure, ultra-high strength stem and comprehensive anti-corrosion properties ensure unmatched valve reliability.


Elastic seat seal

The main sealing part is the integral ram covered by rubber, which produces a small amount of adaptive elastic deformation under the action of operating force and medium pressure, and forms an excellent sealing effect with the precision cast valve seat.

      <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: 《丰满的女邻居》在线观看| 苗栗县| 日本乱偷中文字幕| 日本日本乱码伦视频在线观看| 麻江县| 《情人》大尺度| 人人超碰97CAOPOREN国...| 欧美亚洲久久综合精品| 400部精品国偷自产在线观看| 措美县| 赞皇县| 欧美老妇人极度另另类| 他的舌头挺进了我下面| 无人区卡一卡二卡三麻豆精品| 国产全肉乱妇杂乱视频| 日本乱人伦av精品| 屏东县| 草久热的视频在线观看| 乐昌市| 欧美性情毛片免费播放| 国产揄拍国产精品人妻蜜| 通山县| 屏山县| 浴室里强摁做开腿呻吟动态图| 紫金县| 肇庆市| 榆树市| 黄骅市| 国产亚洲精品久久久久久快乐8| 包头市| 太白县| 乐昌市| 临颍县| 卢湾区| 久久精品一区二区免费播放| 余姚市| 营口市| 东京道一本热中文字幕| 欧美亚洲日韩国产区三| 五莲县| 无码AⅤ精品一区二区三区|