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LS CONNECTOR

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    Flange Type

  LS-Connector

 

 

4 types of LS connectors are available,
which 20 mm, 50 mm, 100 mm, 200 mm
of eccentricity.
 

 

• Displacement absorbing ability

• Segmentation of eccentricity


Application

•Displacement sorption for pipeline in soft ground

•Edge cutting for structure and piping

•Transverse pipelines over rivers, roads, and rail tracks

•For both ends of a water tube bridge

•Manhole removal

•Piping thermal expansion absorption

•Vibration absorption for pumps, etc.


Product drawing

20 mm eccentricity 50 mm eccentricity 100 mm eccentricity 200 mm eccentricity
exposed buried exposed buried exposed buried exposed buried
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   Feature
Absorption of Movement
All parts other than flanges are flexible. Large movement can be absorbed with small overall length.
Classification of Eccentricity
LS connector is classified in 4 types of lateral movement, which are 20mm, 50mm, 100mm, 200mm.
 

 

   Classification
Classification of Lateral Movement  
For 20 mm, 50 mm, 100 mm, 200 mm
   

 

Aboveground /Underground
Applications
Classification
of Pressure
Max Operating
Pressure (MPa)
Aboveground Application
(not applicable to
Negative Pressure)
Low Pressure 0.2
Middle Pressure 0.5
High Pressure 1.0
Underground Application
Negative Pressure:
-0.1MPa (-760mmHg)
Low Pressure 0.2
Middle Pressure 0.5
High Pressure 1.0

 

Max. Working Temp.  
Please consult us.
   
 For higher pressure applications, please consult us.
 

 

   Construction

 

Flange Type LS-Connector : 4 types of LS connectors are available, which 20 mm, 50 mm, 100 mm, 200 mm of eccentricity.

No.  Parts  Material
1  Flange Mild Steel
2  Reinforcing Ring Mild Steel
3  Inside Rubber

Synthetic Rubber

4  Outside Rubber

Synthetic Rubber

5  Reinforcing Fiber Synthetic Fiber
6  Reinforcing Ring

Mild Steel

7  Filler Special High Polymer Rubber
     

● Aboveground and underground types are available.
● The above figures show the underground type.
● The size 20A and 25A are filled arch type.
● The filled arch type is also producible more than 32A.

 

  

   Dimensions and Allowable Movements
Nominal
Dia.
[mm]
20 mm Lateral Movement
1 – Bellow [mm]
50 mm Lateral Movement
2 – Bellow [mm]
100 mm Lateral Movement
3 – Bellow( [mm]
200 mm Lateral Movement
4 – Bellow [mm]
    L Elon. Comp. Mass[Kg] L Elon. Comp. Mass[Kg] L Elon. Comp. Mass[Kg] L Elon. Comp. Mass[Kg]
15   150  15  20 1.9  250  30  45 2.2 350 40 60 2.8 450 40 60 3.4
20   150  15  20 2.3  250  30   45  2.6 350 40 60 3.2 450 40 60 3.8
25   150  15  20 2.6   250   30  45 2.9 350 40 60 3.6 450 40 60 4.3
32   150  15  20 3.0   250   30  45 3.4 350 40 60 4.4 450 40 60 5.3
40   150  15  20 3.6  250  30  45 4.0 350 40 60 5.2 450 40 60 6.3
50   150  15  20 4.4  250  30  45 4.9 350 40 60 6.2 450 40 60 7.4
65   150  15  20 5.2  250  30  45 5.9 350 40 60 8.0 450 40 60 9.5
80   150  20  20 6.0  300  30  45 6.7 350 40 60 9.1 450 40 60 11
100   150  20  20 7.2  300  30  45 8.4 350 40 60 11 450 40 60 13
125   150  20  20 10  300  30  45 12 350 40 60 15 450 40 60 17
150   200  20  20 13  300  30  45 16 500 40 60 20 600 40 60 22
200   200  20  20 18  300  30  45 21 500 40 60 26 600 40 60 28
250   200  20  20 26  300  30  45 31 500 40 60 37 600 40 60 43
300   200  20  20 33  300  30  45 39 550 40 60 46 650 40 60 55
350   200  25  30 42  350  40  50 50 550 50 70 59 650 50 70 68
400    200   25  30 50  350  40  50 60 550 50 70 74 650 50 70 85
450   200  25  30 61  350  40  50 74 550 50 70 95 650 50 70 105
500   250  25  30 71
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