Rubber flexible
expansion joints
LSCONNECTOR G-TYPE
(Earthquake precaution
flexible expansion joint)
Flange type
Have strong durability and the performance to protect pipelines by coping
with ground deformation caused by sudden crustal movements due to earthquakes.
with ground deformation caused by sudden crustal movements due to earthquakes.
LSCONNECTOR G-TYPE
(Earthquake precaution
flexible expansion joint)
Flange type
Have strong durability and the performance to protect pipelines by coping
with ground deformation caused by sudden crustal movements due to earthquakes.
with ground deformation caused by sudden crustal movements due to earthquakes.
Features
- Large displacement absorption
- Replaceable flanges
- Internal surface flat structure

Examples of applicable lines
- Water supply
- Recycled water
- Drainage
- Cold water
- Warm water
- Hot and cold water
- Anti-freezing fluid
- Air
- Sea water
- JIS10K

(May depend on the conditions. Please ask about air)
Product specifications
Category by amount of eccentricity | Aboveground/ underground category | Maximum working pressure MPa{kgf/cm2} |
---|---|---|
For 300mm eccentricity For 400mm eccentricity |
For both aboveground/underground use | 0.5 [5.1] or less |
For negative pressure | 1.0{-760mmHG} or less |
- Please contact us regarding use under high-load negative pressure conditions such as 24-hour operation, negative pressure close to a full vacuum, or frequent pump starting and stopping.
- Design specifications for underground use
Earth covering: (From pipe crown) 1.3m or more, 3m or less
Vehicle weight: T-25 or less
Structure・Materials

Numer | Name | Material |
---|---|---|
① | External surface rubber | EPDM(SK10) |
② | Reinforcing cord | Synthetic fiber |
③ | Reinforcing ring | SS400 |
④ | Flange | SS400 |
⑤ | Internal surface rubber | EPDM(SK10) |
⑥ | Reinforcing ring | SS400(32Aor more) |
Dimensions and allowable displacement amount
300mm Eccentricity
Nominal diameter | Number of bellows | Main body dimensions (L) |
Allowable displacement amount(mm) |
Allowable twist limit(°) |
Mass
(kg) |
||
---|---|---|---|---|---|---|---|
Stretching | Contraction | Deflection(°) | |||||
20 | 5 | 550 | 60 | 50 | 30 | 15 | 3.5 |
25 | 5 | 550 | 60 | 50 | 30 | 15 | 4.6 |
32 | 5 | 550 | 60 | 50 | 30 | 15 | 5.7 |
40 | 5 | 550 | 60 | 50 | 30 | 15 | 6.0 |
50 | 5 | 550 | 60 | 50 | 30 | 15 | 7.3 |
65 | 5 | 650 | 60 | 50 | 30 | 15 | 10 |
80 | 5 | 650 | 60 | 50 | 30 | 15 | 11 |
100 | 5 | 650 | 60 | 50 | 30 | 15 | 13 |
125 | 5 | 650 | 60 | 50 | 30 | 15 | 16 |
150 | 5 | 650 | 60 | 60 | 30 | 15 | 25 |
200 | 5 | 700 | 80 | 60 | 30 | 15 | 32 |
250 | 5 | 700 | 80 | 60 | 20 | 15 | 45 |
300 | 5 | 800 | 80 | 60 | 20 | 15 | 54 |
350 | 5 | 900 | 80 | 60 | 15 | 15 | 74 |
400 | 5 | 900 | 80 | 70 | 15 | 15 | 95 |
450 | 5 | 900 | 80 | 70 | 15 | 15 | 116 |
500 | 5 | 900 | 80 | 70 | 10 | 15 | 134 |
600 | 6 | 1000 | 80 | 70 | 10 | 15 | 189 |
The automatic price quote function is only available on the Japanese-language website.
400mm Eccentricity
Nominal diameter | Number of bellows | Main body dimensions (L) |
Allowable displacement amount(mm) |
Allowable twist limit(°) |
Mass (kg) |
||
---|---|---|---|---|---|---|---|
Stretching | Contraction | Deflection(°) | |||||
20 | 7 | 750 | 80 | 50 | 30 | 15 | 4.2 |
25 | 7 | 750 | 80 | 50 | 30 | 15 | 5.5 |
32 | 7 | 750 | 80 | 50 | 30 | 15 | 6.7 |
40 | 7 | 750 | 80 | 50 | 30 | 15 | 7.0 |
50 | 7 | 750 | 80 | 50 | 30 | 15 | 8.0 |
65 | 6 | 750 | 80 | 50 | 30 | 15 | 11 |
80 | 6 | 750 | 80 | 50 | 30 | 15 | 12 |
100 | 6 | 750 | 80 | 50 | 30 | 15 | 14 |
125 | 6 | 750 | 80 | 50 | 30 | 15 | 18 |
150 | 6 | 750 | 100 | 60 | 30 | 15 | 27 |
200 | 7 | 850 | 100 | 60 | 30 | 15 | 39 |
250 | 7 | 850 | 100 | 60 | 20 | 15 | 52 |
300 | 7 | 950 | 100 | 60 | 20 | 15 | 62 |
350 | 7 | 1100 | 100 | 60 | 20 | 15 | 89 |
400 | 7 | 1100 | 100 | 70 | 15 | 15 | 113 |
450 | 7 | 1100 | 100 | 70 | 15 | 15 | 138 |
500 | 7 | 1100 | 100 | 70 | 15 | 15 | 158 |
600 | 7 | 1250 | 100 | 70 | 10 | 15 | 215 |
The automatic price quote function is only available on the Japanese-language website.