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

   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
 For higher pressure applications, please consult us.
 

Max. Working Temp.
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]		 Standard
Pressure
Rating
[Kgf/cm²]		 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. L Elon. Comp. L Elon. Comp. L Elon. Comp.
20 10 150  15  20  250  30   45 350 40 60 450 40 60
25 10 150  15  20   250  30  45 350 40 60 450 40 60
32 10 150  15  20   250  30  45 350 40 60 450 40 60
40 10 150  15  20  250  30  45 350 40 60 450 40 60
50 10 150  15  20  250  30  45 350 40 60 450 40 60
65 10 150  15  20  250  30  45 350 40 60 450 40 60
80 10 150  20  20  300  30  45 350 40 60 450 40 60
100 10 150  20  20  300  30  45 350 40 60 450 40 60
125 8 150  20  20  300  30  45 350 40 60 450 40 60
150 8 200  20  20  300  30  45 500 40 60 600 40 60
200 8 200  20  20  300  30  45 500 40 60 600 40 60
250 8 200  20  20  300  30  45 500 40 60 600 40 60
300 8 200  20  20  300  30  45 550 40 60 650 40 60
350 5 200  25  30  350  40  50 550 50 70 650 50 70
400 5  200  25  30  350  40  50 550 50 70 650 50 70
450 5 200  25  30  350  40  50 550 50 70 650 50 70
500 5 250  25  30 350 40 50 550 50 70 650 50 70
600 5 250  25  30 400 40 50 550 50 70 650 50 70
700 5 250  25  30 400 40 50 650 50 70 750 50 70
800 5 300  25  30 400 40 50 650 50 70 750 50 70
900 5 300  25  30 400 40 50 650 50 70 750 50 70
1000 4 300  25  30 450 40 50 700 50 70 800 50 70
1100 3 300  25  30 450 40 50 700 50 70 800 50 70
1200 3 300  25  30 450 40 50 700 50 70 800 50 70
1350 3 300  25  30 450 40 50 700 50 70 800 50 70
1500 3 350  25  30 450 40 50 750 50 70 950 50 70

PT-LS Series