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23 Rigging Equipment& General Deck Items
  23-shackle
+ 23-block
23-hook
+ 23-wine rope
23-anchor chain
23-turbuckle
23-container lashing
23-packing for macgregor hatch cover
23-macgregor hatch cover parts
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    Zinc Anodes/Aluminum Anodes
      Plain Style Gratings
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77 Bearing
79  Electrical Equipment
81 Packing & Jointing
85 Welding Equipment
special procucts
  - valve seat ring
  阀门双偏心
  阀门中心型 JIS STANDARD
  阀门中心型ISO A TYPE
  阀门中心型ISO B TYPE
    23-packing for macgregor hatch cover

 

阀门双偏心
船用阀门双偏心型阀座圈:
alt Item Name:船用阀门双偏心型阀座圈 ISO国际标准
Instruction:

 


Item


     Size


  ф A


  ф B


  фC

1
    DN50   (2")
76.3
51
46.1
2
    DN65   (2.5")
89
62.8
49.1
3
    DN80    (3")
103.9
77.3
48.4
4
    DN100   (4")
135
102.5
55.3
5
    DN125   (5")
159
121.8
58.8
6
    DN150   (6")
188.4
154.2
59.1
7
    DN200   (8")
238.2
200.9
64.1
8
    DN250   (10")
292.4
248.9
71.8
9
    DN300   (12")
344.2
299.9
81
lO
    DN350   (14")
375.1
331.7
79.5
11
    DN400   (16")
439.2
387.5
90
12
    DN450   (18")
490.18
438.4
109
13
    DN500   (20")
535
489.6
135
14
    DN600   (24")
654.2
590.1
156


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