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 UPVC Butterfly Valve

-Size:DN50~DN300
-Connection Standard:PN10/16, ANSI150, DIN16, JIS10K, 16K
-Working Temperature:-15~85℃
-Working Pressure:PN0.6~1
-Material:UPVC/CPV/PPG/FRPP/PPH/PP/PP-R/ABS
-Seat:EPDM, FPM
-Medium:water,Sewage, high purity water
-Operating:electric

Ordering hotline:021-54150349

Immediately consult
  • Product introduction
  • Product parameters

UPVC butterfly valve is a new generation of butterfly valve which meets the market demand for various corrosive pipeline fluids. It is small in size, light in weight, simple in structure, compact and beautiful in appearance. It is easy to install compare with the gate valve. The average weight is reduced by about 30-50%. The butterfly plate can be opened and closed by rotating 90 degrees. Moreover, the butterfly plates on both sides of the rotating shaft are subject to the same medium force and the opposite torque, so the starting process can be realized. The closing torque is small.

 

1. Body
2. Seat
3. Disc
4. O-ring
5. Stem


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
中文字幕第25页| 亚洲Av色图| 国产av黄| 黄色一级成人毛片| 亚洲性爱av天堂| 四季AV日韩精品一区| 黄色av无码不卡| a片三级黄色网页| 三级a片在线免费观看a| 三级片无码性爱视频| 91性爱播放| 一区无码视频| 美国AV免费一级片| 在线观看av色导航| 超碰97cao| 日B毛片一级| 国产超碰 人人爽| 操一操AV| 精品成人AV在线观看| 亚洲Av婷婷玉| a黄色A级毛片视频| 日韩二区三区无码A片| 九九九1级黄色视频| 一级黄色影片| 日本有码区| 黃色一级A片一級片| 91黄色免费看网站| 免费的黄色A片| 亚洲天堂AV一区| 亚洲免费成人av| 亚卅高清视频AⅤ| 人人操97| 三级片香蕉视频| 亚洲av在线观看| 影音先锋丝袜人妻| 91日本色情| 亚洲最大成人| 亚洲欧美日韩在线| 手机看国产av日韩av| 人妻资源网| Av狼人影音|