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

2 Piece Ball Valve

-Size:DN10~DN50
-Connection Standard:PN10/16, ANSI150, DIN16, JIS10K, 16K
-Working Temperature:-15~220℃
-Working Pressure:PN10~PN100
-Body:SS304、SS316、SS304L、SS316L、2205、2507
-Ball:SS304、SS316、SS304L、SS316L、2205、2507
-Seat:PTFE、PPL
-Medium:Water,Oil,Powder,Powder particle
-Operating:Manual、Pneumatic、Electric


Ordering hotline:021-54150349

Immediately consult
  • Product introduction
  • Product parameters
Ball valve is a kind of valve that the ball rotates around the center line of the valve body to open and close. Ball valves are mainly applied in pipeline to cut off, distribute and change the flow direction of medium. Fluid resistance is small, and its resistance coefficient is equal to that of the same length pipe. Tight and reliable, the sealing surface material is plastics, with good sealing performance and has been widely used in vacuum systems. Easy to operate, quick to open and close, only need to rotate 90 degrees from full open to full close, easy to control over long distances. When fully open or fully closed, the sealing surface of the ball and seat is isolated from the medium. When the medium passes through, it won’t cause the erosion of the sealing surface.
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
影音先锋 中文 av| 亚洲九月激情| 亚洲+无码+欧美+另类| 性爱五月天婷婷| 三级黄页| 成人a.片免费在线观看| 国内自拍轻轻操| AV三级网站成人| 日韩av.com| 五月无码片| 国产色色婷婷五月天| 青青草国产精品视频分类| 成人色屌影院| 久久涩大香蕉| 亚洲av色情在线| 日本a级电影一区| 免费av一级电影| 青青草原超碰无码| Av一级免费电影| 亚洲一级A片免费看| 久草肏屄网| 日韩A级黄| 老阿姨AV导航| 亚州毛片在线观看| 美国A片免费看视频| 亚洲黄电影| 婬乱一区二区三区| 欧美黄不卡永久网站| 亚洲91.网站| 亚洲天堂爱| 欧美特级久久久久久久| 久久艹在线免费| 久久久成人黄色电影| 狠狠操狠狠撸| 三级淫乱A片| 手机看片国产AV| 亚州aV手机在线| 国产熟女AV| 黄色人妻| 日韩黄色av| 免费的三级片网站|