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Duplex Axial Type (FLZType)

This type of expansion joints have been developed based on the single axial type bellow expansion joints (which type of expand on joints have small pull rod duplex axial type and the duplex axial type with seats), comprised of components such as two segments of bellows, the short middle adaptor tubes and long pull rods, etc., that only absorb axial displacement, its long pull rod not a load bearing component.

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Description

Duplex Axial Type (FLZType)

1- Nozzle

2-Bellow

3-Sleeve

4-Rod

5-Reinforcing Rings

6-Middle Nozzle

Technical Parameter Table

 Nominal Diameter DN mm Bellow   Movement     Rigidity N/mm  Radial Shape    Maximum size H mm Total Length L mm
 Number of Bellows  n Etiective Area cm2 Axial  Lateral Axial Lateral  Connection Pattern
X0

mm

 Y0

mm

 Kx0

mm

 Ky0

N/mm

   Nozzle Flange
J F
P=0.6MPa(6kgf/cm2′) 【N】=1000   t=20℃

The design pressure Pd =0.6 MPa kgf/cm2，the fatigue lie |N]=1000 times and the design temperature t=20℃

 
200     547 244   106   460 1,150 1,170
250   779 241   124   530
300   1,04 308   110   580    
350

400

 16   1432

1787

   / 123

136

 / 660        720 1300 1320
450   2198 298 150 780    
500   2642 294 163 850    
600   3759 431 209 1000 1800 1824
    P=1.0MPa(10kgf/cm2′) 【N】=1000次 t=20℃

The design pressure Pd =1.0 MPa (1.0 kgf/cm2)，the fatigue lie |N]=1000 times and the design temperature t=20℃

 

    
200

250

 16   551

798

 201

195

   174

211

   460

530

 1150 1170
300   1105 252   180   580 1300 1320
350   1437 248   204   660
400   1793 243 ! 227   720
450   22(^ 238   252   780
500   2M9 233   276   850
600   3772 343   368   1000 1800 1824
Pd=1.6MPa(16kgf/cm2′) 【N】=1000次  t=20℃

The design pressure Pd =1.6 MPa (1.6kgf/cm2)，the fatigue lie |N]=1000 times and the design temperature t=20℃

 
200     551 211   372   460 1150 1170
250     796 205   450   530
300     1109 257   407   580    
350     1437 253   461   660    
4C0     1793 248   514   720 1300 1320
450     2205 243   570   780    
500     2649 239   625   850    
600     3772 336   679   1000 1800 1824

Our company can produce the expansion join with larger (or smaller) specifications except the type in this table. Technical parameters car be adjusted and designed according to customer requirements.

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