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Straight Tube Pressure Balanced Type (ZYP Type)

Each of the two ends ot this type of expansion joints has a working bellow, and there is a balanced bellow in its middle, the expansion joints bear ttie internal pressure pushes through the stress bearing elements (large pull rod or tongue pipes), therefore the pipe system only needs the central fixing support. This type ci expansion joints only absorbs axial displacement.

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Description

Structural Sketch

1-Nozzle

2-Lugs

3-Small Bellow

4-Sleeve

5- Large Bellow

6-Tie Rod

 Technical Parameter Table

 

Norm rial Diameter DN mm

 Bellow  

Axial Movement Xo

mm

  Axial Rigidity

KXo

N/mm

  

Radial Shape Maximum Size

H mm

  Total Length Lmm
 

Number of Bellows

 n

  

n1 -Number of Large Tube Waves n2-Number of Small Tube Waves

  

Connection Pattern

 Nozzle J        

Flanoe F
 
The design pressure Pd – 1.6 MPa (16 kgJ/cm2), the fatigue life (N] = 1000 times and the design temperature t = 20 ℃
600 12 4f& 53 4410 1220 2250 2274
18 6/12 80 2940 2600 2624
24 *16 106 2200 2d50 2974
700 12 4/8 54 4945 1365 2250 2274
18 6/12      80 3297 2600 2624
24 8/16 108 2473 2950 2974
800 12 4/8 45 7228 1520 2250 2274
18 B/12 68 481。 2600 2624
24 W16 90 3614 2950 2974
  12 4/B 55 4628   2250 2274
900 18 6/12 83 3035 1670 2600 2624
24 8/16 110 2314 2950 2974
1000 12 4A 54 5042 1840 2250 2274
18 6/12 82 3362 2600 2624
24 &/16 108 2521 2950 2974

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

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