TOZEN Corporation

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株式会社TOZEN(トーゼン)

 

Rubber flexible
  expansion joints

LSCONNECTOR G-TYPE
(For high pressure)

Flange type
Flexible expansion joints with outstanding functionality for both high eccentricity absorption and high pressure resistance performance

LSCONNECTOR G-TYPE
(For high pressure)

Flange type
Flexible expansion joints with outstanding functionality for both high eccentricity absorption and high pressure resistance performance

Features

  • Large displacement absorption
  • Replaceable flanges
  • Internal surface flat structure

Applications

  • 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 pressureMPa{kgf/cm2}
For 300mm eccentricity
For 400mm eccentricity
For both aboveground/underground use 1.0{10.2}or less
For negative pressure -0.1{-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

NumberNameMaterial/Details
<A>For high pressure
10K・2bellows
-
<B>For high pressure
10K・5bellows~7bellows
-
Listed by number of bellows-
Closeup of section A-
Internal surface rubberEPDM(SK10)
FlangeSS400
Reinforcing ringSS400
External surface rubberEPDM(SK10)
Reinforcing ringSS400(32A or more)
Reinforcing cordSynthetic fiber

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 2 700 50 40 30 5 3.5
25 2 700 50 40 30 5 4.8
32 2 700 50 40 30 5 6.2
40 2 700 50 40 30 5 6.2
50 2 700 50 40 30 5 7.8
65 2 800 50 40 30 5 12.8
80 2 800 50 40 30 5 14.6
100 2 800 50 40 30 5 17.8
125 2 900 50 40 20 5 25.4
150 2 900 50 40 20 5 30.6
200 2 1000 50 40 20 5 42.3
250 2 1000 50 40 15 5 55.7
300 2 1100 50 40 10 5 70
350 5 900 80 60 10 15 115
400 5 900 80 70 10 15 137
450 5 900 80 70 10 15 169
500 5 900 80 70 10 15 187
600 6 1000 80 70 10 15 270

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 2 1000 50 40 30 5 4.4
25 2 1000 50 40 30 5 5.9
32 2 1000 50 40 30 5 7.7
40 2 1000 50 40 30 5 9
50 2 1100 50 40 30 5 11.8
65 2 1100 50 40 30 5 15.7
80 2 1100 50 40 30 5 18.2
100 2 1200 60 40 30 5 23.8
125 2 1200 60 40 20 5 31
150 2 1200 60 40 20 5 37.3
200 2 1300 60 40 20 5 51.3
250 2 1400 60 40 15 5 70.7
300 2 1400 60 40 15 5 83.6
350 7 1100 100 60 15 15 131
400 7 1100 100 70 15 15 155
450 7 1100 100 70 15 15 193
500 7 1100 100 70 15 15 213
600 7 1250 100 70 10 15 298

The automatic price quote function is only available on the Japanese-language website.

Downloads product chart

Product chart
Product chart(300mm) downloads
Product chart(400mm) downloads

Downloads 2DCADdrawings

2DCADdrawings
2DCADdrawings(300mm) downloads
2DCADdrawings(400mm) downloads