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Circular bellows and schematic

Plasticbellowsandgalvanizedbellowsperformancecomparison:performancePlasticbellowsGalvanizedbellowsCorrosionresistanceMorestable,neverrustBadbondingwithcementDurabilityAgingsealedcementsealingtimeof50y
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Product description
Parameters

Plastic bellows and galvanized bellows performance comparison:

performance Plastic bellows Galvanized bellows
Corrosion resistance More stable, never rust Bad bonding with cement
Durability Aging sealed cement sealing time of 50 years The service life is generally 5 years
Minimum bend radius 0.9-1.5Rice (about 10-15 times the inner diameter) Greater than 30 times the inner diameter
Local load resistance Will not leak after loading, no leakage of leakage concerns Pipe deformation can not be restored after the load will leak
Focus on the resistance of the load Not afraid to step on the pressure, not easy to be smashed stick pierced Stepping easy deformation
Water pressure tightness Humidity of 20 degrees, the pressure of 50KPa conditions, keep leaks for 24 hours No pressure will leak, there is pressure under the infiltration of cement
Coefficient of friction 0.14 0.25
Insulation Not conductive, good insulation Conductive
Adhesion to concrete High ripple, good adhesion to concrete Rust and reduce the bond with the concrete

 

Technical Parameters

Circular bellows technical parameters table:

specification d(Φ) D(Φ) S(mm) Supporting the use of anchors
DF-SBG-50Y 50 61 2 M15-3~5
DF-SBG-70Y 70 81 2 M15-6~9
DF-SBG-80Y 80 91 2 M15-7~70
DF-SBG-85Y 85 99 2 M15-10~12
DF-SBG-90Y 90 104 2 M15-11~13
DF-SBG-100Y 100 114 2 M15-13~19
DF-SBG-110Y 110 124 2 M15-19~25
DF-SBG-120Y 120 135 2.5 M15-20~27
DF-SBG-130Y 430 145 2.5 M15-28~30
DF-SBG-140Y 140 155 3 M15-31~37
DF-SBG-160Y 160 175 3 M15-38~55

 

Flat bellows technical parameters table

specification U1 U2 s Supporting the use of anchors
DF-SBG-46B 46 20 2 BM15-2
DF-SBG-60B 60 20 2 BM15-3
DF-SBG-72B 72 23 2.5 BM15-4
DF-SBG-90B 90 23 2.5 BM15-5

 

Round connecting pipe technical parameter table

specification d(Φ) D(Φ) L(mm)
DFLG-50 64 67 160
DFLG-70 84 87 160
DFLG-85 102 106 160
DFLG-100 117 121 160
DFLG-120 137 141 170
DFLG-130 147 151 170

 

Flat connecting pipe technical parameter table

specification U1 U2 L
BLG-46 59 33 160
BLG-60 73 33 160
BLG-72 87 38 160
BLG-90 105 38 160

 

Round connector technical parameters table

specification d(Φ) D(Φ) d1(Φ) D1(Φ) L
DFLT-3/4 64 67 51 55 130
DFLT-5 64 67 60 64 130
DFLT-6/7 84 87 75 79 130
DFLT-8/9 84 87 80 84 130
DFLT-10/12 102 106 85 89 130
DFLT-13/19 117 121 95 99 130
DFLT-20/24 137 141 105 109 145
DFLT-25/27 137 141 116 120 145

 

Flat connector technical parameters table

specification U1 U2 U3 U4 L
BLT-2 59 33 50 20 130
BLT-3 73 33 60 20 130
BLT-4 87 38 71 21 130
BLT-5 105 38 91 21 130

 

  

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