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

Pneumatic U Type Butterfly Valve

Size:DN50~DN300
-Connection Standard:PN10/16, ANSI150, DIN16, JIS10K, 16K
-Working Temperature:-15~150℃
-Working Pressure:PN1.0~2.0
-Body:Ductile Iron
-Disc: WCB、SS304、SS316、Polishing board
-Seat:EPDM, PTFE
-Medium:Strong acid, alkali, feed, etc
-Operating:pneumatic

Ordering hotline:021-54150349

Immediately consult
  • Product introduction
  • Product parameters
U type butterfly valve adopts the top-mounted structure, which reduces the connecting bolts of the body itself under high pressure and large caliber conditions, enhances the reliability of the valve and overcomes the influence of the system self-weight on the normal operation of the valve. Simple structure, good interchangeability, easy to maintain and disassembly, stem seal is not easy to change, avoid stem leakage, seat sealing surface and backrest as one, reduce the deformation of the seat. 

1. Body
2. Disc
3. Shaft
4. Seat
5. Bushing
6. O-ring


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
色天使色五月| 欧美大香蕉91| AV韩国在线| 亚洲成网aV| A黄色片无限看| 久久青草亚洲天堂| 少妇A级无码| 日本熟女四十路| 亚洲高清精品三级av网| 黑人无码av| 免费看无码一级A片放| 国产精品-V888AV| 四月色播| 岛国A片在线| 欧美一级黃色录像| 乱伦熟女区| 美国毛片黄美A| sese国产| 网址wwwA片| 簧片一区| 免费av外围| 你懂的日韩精品一| 国产免费777| 日本九九九黄网| 日本黄色今| 丁香五月中文字幕| 亚洲三级aaa| 日本不卡一本| 亚洲国产精品婷婷五月网| AV三级片免费看| 熟妇熟女乱综合在线| 国产免费AAA| 国语欧美A片| 伊人三级片| 美国一级特黄视频| 91三级片在线播放| 色五月天AV| 蜜乳av黄色影片| 国产aa片| 91黄色小电影| 在线日韩成人AV|