1.Ductile iron pipe ,Fitting, Rubber gasekt Installation guide socket spogot "T" joint
A.Notes before installing
1)Clean the socket and spigot
2)Inspection the rubber gasekt, and clean it.
3)Inspection the spigot outer chamfer
B.Installation rubber gasket
1)As for pipes≤DN300 , please install rubber gaskets as shows in Picture 1.
2)As pipes fo≥DN300, please install rubber gaskets as shows in Picture 2.
C.Lubricant
Clean spigot and rubber rings , make them smooth with lubricant, as shows in the following picture.
D.Trench wideth
When the pipes are laid in the trench, the width of trench should be 200mm—300mm wider than the outside diameter of the pipe, as shown in the following table.
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DN(mm)
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(Trench Width) B.M
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100-250
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0.8-0.85
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300-450
|
1.00
|
|
500-700
|
1.20
|
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800-1000
|
1.50
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E. Joint
1) As for pipes≤DN400 pipee,Please see picture 1
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2) As for pipes ≥DN400 pipe, Please see picture 2
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F.Checking
Having been successfully inserted to the spigot, the joint should then be checked to see if the gasket is correctly seated, which can be done by inserting a metal ruler into the socket gap.
2.Ductile Iron Manhole Cover Installation:
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A15
|
15KN
|
Zones to be used by pedestrians and vehicles.
|
|
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B125
|
125KN
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Sidewalks, pedestrian zones and
similar areas, parking lots and multistory car parks.
|
|
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C250
|
250KN
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Curb stones and other confinements of streets.
|
|
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D400
|
400KN
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Road pavements and related curbs, parking zones for all vehicle types.
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|
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E600
|
600KN
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Zones for circulation of all types of vehicles of heavy tonnage, e.g. pavements of airports, seaports, etc.
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|
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F900
|
900KN
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Zones subjected to specially heavy loads,
such as pavements of airports or others.
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|
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