国产成人a视频高清在线观看-欧美日韩一区二区三区四区蜜桃-欧美码.中文字精品视频在线观看-一本一道av无码中文字幕蜜臀

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英標3464暗桿閘閥

英標3464暗桿閘閥的詳細介紹

 
 
COMPONENTS
1 Body Cast iron or ductile iron
2 Disc Cast iron or ductile iron
3 Seat Cast iron or Brass
4 Stem Stainless steel or Brass
5 Bonnet Cast iron or Ductile iron
6 Hand wheel Cast iron or Ductile iron
  Application
1 Face to face is according to BS3464
2 Flange drilled is according BS 10Table E or D
Test 
Working pressure PN10
Test pressure shell 15bars 24bars
Seat 11bars 17.6bars

 

 

 

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国产成人a视频高清在线观看-欧美日韩一区二区三区四区蜜桃-欧美码.中文字精品视频在线观看-一本一道av无码中文字幕蜜臀