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Sany DN125 3M 85 BAR one glavanized end factory black concrete pump hose

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What is the details of concrete pump hose?
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Feature | ? Long service life due to abrasion resistant tube Flexible and easy to handle,with good kink resistance due to a special hose design Suitable for reverse pumping,for easy cleaning ? |
Temperature Range | -35 ℃/+80 ℃ |
Safety Factor | 2:1 |
Tube | black, smooth, NR/SBR rubber, that withstands the abrasive action of the concrete |
Reinforcement | steel cord wrapped,fabric wrapped |
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What is the specifications of concrete pump hose?

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1.Concrete Pump Steel Wire Rubber Hose

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SIZE | Inner diameter (mm) | Wall thickness tolerance (mm) | Outer diameter (mm) | Working pressure (bar) | Bursting pressure(bar) |
2& quot; | 50 | 9±0.75 | 68±1.5 | 85 | 240 |
2.5& quot; | 64 | 10±0.75 | 85±1.5 | 85 | 240 |
3& quot; | 76.2 | 12.9±1 | 102±1.5 | 85 | 240 |
3.5& quot; | 89 | 13.5±1 | 116±1.5 | 85 | 240 |
4& quot; | 101.6 | 14.2±1 | 130±1.75 | 85 | 240 |
4.5& quot; | 115 | 14±1 | 143±2 | 85 | 240 |
5& quot; | 127 | 16±1 | 158±2 | 85 | 240 |
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(concrete pump rubber hose application)

used for high-rise buildings, highway, tunnel, water conservancy project , nuclear power station and so on

construction machinery , concrete pump delivery concrete.

for the end of pump to send the concrete to exact station, when cleaing can resist suction. usually equipped

with hard ground head.

(Product structure )

inner layer rubber, enhancement layer, outside layer rubber

1. inner layer rubber: polyurethane and butyl rubber are the mainly material, and put in special reinforced material to make

mixed rubber .its colour is black and transparent. With high wear resistance, high toughness, high pressure, smooth, and so on.

The friction resistance of concrete Wipe, tube has the pressure transmission medium, wire protection from erosion effect.

2. enhancement layer: 4 layer of steel wire wound, the use of copper wire braided hose, bearing the work pressure

is the ordinary hose 3-4 Times, with a high degree of resistance, flex features superior performance, enhancing effect.

3. outside layer rubber: Black, smooth (wrapped), SBR/NR compound, anti aging, wear resistance.

(material ) natural rubber and steel wire