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Prestressed plastic bellows

– Prestressed plastic bellows made from HDPE and PP
– Mainly used in post-tensioned prestressed concrete structure bridges
– Features:
– Good sealing performance
– No bleeding
– High ring stiffness
– Small friction parameters
– Aging resistance
– Corrosion resistance
– Large bending capacity
– Not easily damaged by vibrator
– Facilitates vacuum grouting to improve bridge service life

Description

Circular plastic bellows
Dimensions of circular plastic bellows
Matching practical bellows model
Internal diameter
External diameter
Wall Thickness
Φ 50
Φ 61
2
M15-3-5
Φ 70
Φ 81
2
M15-6-9
Φ 85
Φ 99
2
M15-10-12
Φ 100
Φ 114
2
M15-13-19
Φ 120
Φ 136
2.5
M15-20-22
Φ 130
Φ 146
2.5
M15-23-31
Φ140
Φ 157
2
M15-32-37
Φ160
Φ 177
2
M15 -38-55

 

Flat plastic bellows
Dimensions of flat plastic bellows
Matching practical bellows model
Long axis direction
Minor axis direction
Wall Thickness
46
20
2
BM15-2
60
20
2
BM15-3
72
23
2
BM15-4
90
23
2
BM15-5

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