AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级

AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级

AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级

Electric High Performance Butterfly Valve

Size:DN50~DN1200
-Connection standard:JB/T79.1,JB/T79.2,HG20615,ASME B16.5,ASME B16.47
-Working temperature:-19~425℃
-Working pressure:1.6~6.3Mpa
-Body:WCB、Stainless steel
-Disc:SS304、SS316、SS316L
-Medium: Strong acid, alkali and oxidant 
-Operating:electric


Ordering hotline:021-54150349

Immediately consult
  • Product introduction
  • Product parameters
High performance butterfly valve is a new type butterfly valve designed on the basis of absorbing the advantages of several butterfly valves with different structures. The valve disc sealing surface of this butterfly valve is spherical arc, and the sealing mechanism achieves a real dynamic sealing through the system pressure, so it has excellent cutting performance and durability. Design features: epoxy coating, double offset design, one-way medium flow direction of explosion-proof rod (indicated by arrow of valve body). Metal seal can be applied to medium with slight particles and slurry, which has almost no friction and ensures less torque and better sealing.

1. Positioning plug
2. Seat retaining plate
3. Round stud
4. Disc
5. Seat
6. Bearing assembly
7. Stem
8. Stem seal
9. Body


AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级
中文字幕7799乱码| 怡红人人精品| 超碰人人摸人人干| 成人三级av在线| 综合AV导航| 顶级欧美AAAAAA| 黄色日国产韩| 日韩一级片AV| 黄色三级片网站A级日本| 亚洲无码AV黄色电影| 777欧美精品| 亚洲天堂免费AV| 亚洲男人天堂无码AV| 国产av韩国| 成人片在线视频观看| 亚州狼人综合网| 成年人免费在线| 国产水多多AV| a片三级黄色网页| 无码免费对对碰| 婷婷丁香五月天AV| 东京热色站| 美国一级AA大片| 91成人性生活视频| 高清无码网站| 在线a成人看v| A片免费观看网址| 日韩AVA片| 手机激情av| 性无码一区二区| 国产a片黄色录像| 黄色特级毛片| 操逼大香蕉| 亚洲B级片网站| A片资源站| 黄色电影A片在线观看| 69av超碰| 成人动漫av网| 一级片av大香蕉| 一区二区三区深喉| 日韩亚洲AV在线|