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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.
寸法一覧及び御見積書作成は下記より
300mm偏心
400mm偏心

LSCONNECTOR G-TYPE
(Earthquake precaution
flexible expansion joint)

寸法一覧及び御見積書作成は下記より
300mm偏心
400mm偏心
Flange type
Have strong durability and the performance to protect pipelines by coping
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

NumerNameMaterial
①External surface rubberEPDM（SK10）
②Reinforcing cordSynthetic fiber
③Reinforcing ringSS400
④FlangeSS400
⑤Internal surface rubberEPDM（SK10）
⑥Reinforcing ringSS400（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.

Downloads product chart

Product chart
Product chart(300mm/moderate pressure) downloads
Product chart(400mm/moderate pressure) downloads

Downloads CADdrawings

CADdrawings
CADdrawings(300mm/moderate pressure) downloads
CADdrawings(400mm/moderate pressure) downloads
Cautionary points

Rubber flexible expansion joints

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HomeSelect product by fieldPlantsRubber flexible
　 expansion jointsLSCONNECTOR G-TYPE
(Earthquake precaution
flexible expansion joint)