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:DN40~400mm

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: 礼泉县| 成全视频大全高清全集在线| 乌兰浩特市| 长春市| 奷小罗莉在线观看国产| 欧美国产成人精品一区二区三区| 欧美人成毛片在线视频| 欧美gv完整版视频网站| 蓬溪县| 蒲城县| 田阳县| 日本加勒比在线一区中文字幕无码| 玛沁县| 中文字幕乱码人妻二区三区| 崇阳县| 惠安县| 汝南县| 通河县| 漂亮老师做爰8| 分宜县| 乳尖春药H糙汉共妻| 男人使劲躁女人使劲叫| 日本免费人成视频播放| 延津县| 男人添女人荫蒂视频观看| 丰县| 水莓100完全国产免费| 泰州市| 特级BBBBBBBBB视频| 日本肉动漫无遮挡在线观看| 久久久天堂国产精品女人| 粉嫩XB粉嫩XB粉嫩XB| 欧美日韩国产无线码| 弥渡县| 无码国产伦一区二区三区视频| 欲奴性猛交2无删减| 合川市| 国产成人一区二区无码不卡在线| 江达县| 日本高清视频色wwwwww色| 吉林市|