Concrete Pump and Placement Hose
Product Introduction
It is also called Concrete Pump Hose or Pump Rubber Hose.
Application: Suitable for high-rise buildings, roads, tunnels, water conservancy projects, nuclear power plants and other construction machinery, concrete pump trucks and other rubber hoses.
Installation: It is used for the tail of the pump to transport concrete to the pouring position. It can resist suction when cleaning. It is usually equipped with a buckled hardened joint.
Temperature range: -40℃—-+85℃
Product structure: inner rubber layer, reinforcing layer （steel wire）, outer rubber layer.
Classification：
Type A: The hose reinforcing layer is a cord ply;
Type B: The hose reinforcing layer is composed of layers by wire rope winding.
Type C: The hose reinforcing layer is wire rope enwinding.
Type D: The hose reinforcing layer is wire rope enwinding.
Wear Resistance
| Item | Inner Liner | |||
| Type A | Type B | Type C | Type D | |
| Inner Liner Wear（cm3/1.16km）no more than | 0.25 | 0.25 | 0.20 | 0.15 |
Hydrostatic Performance
| Nominal Inner Diameter | Type | Maximum Working Pressure /MPa | Verification Pressure /MPa | Minimum Burst Pressure /MPa |
| 102 | A | 2.5 | 3.8 | 6.3 |
| B | 7.0 | 10.5 | 17.5 | |
| C | 8.0 | 12.0 | 20.0 | |
| D | 8.5 | 12.6 | 21.0 | |
| 127 | A | 2.0 | 3.0 | 5.0 |
| B | 6.0 | 9.0 | 15.0 | |
| C | 7.0 | 10.5 | 17.5 | |
| D | 8.0 | 12.0 | 20.0 | |
| 152 | A | 1.5 | 2.3 | 3.8 |
| B | 5.0 | 7.5 | 12.5 | |
| C | 6.0 | 9.0 | 15.0 | |
| D | 7.0 | 10.5 | 17.5 |
Specifications
| Item
Inch |
ID
mm |
OD
mm |
Working Pressure
(bar) |
Bursting Pressure
(bar) |
Plies of Steel Wire | Max. Vacuum
(bar) |
Bending Radius
m |
Weight
Kg/m |
| 2” | 51 | 71 | 105 | 136 | 4 | 0.8 | 0.8 | 1.5 |
| 2.5” | 63.5 | 96 | 105 | 136 | 4 | 0.8 | 0.8 | 6 |
| 3” | 76.2 | 108 | 105 | 136 | 4 | 0.8 | 0.8 | 7 |
| 3.5” | 89 | 125 | 105 | 136 | 4 | 0.8 | 0.8 | 8 |
| 4” | 102 | 135 | 105 | 136 | 4 | 0.8 | 1 | 9 |
| 4.5” | 115 | 148 | 105 | 136 | 4 | 0.8 | 1 | 10 |
| 5” | 127 | 160 | 125 | 180 | 4 | 0.8 | 1 | 12 |
| 6” | 150 | 185 | 85 | 145 | 4 | 0.8 | 1 | 14 |
