Cleaning Balls for Concrete Pumps
Concrete pump lines operate under extreme conditions during active construction, pushing high-pressure concrete slurry through steel pipework at volume. After every pour, residual concrete remaining in the line begins to set within minutes. If the line is not flushed completely before the concrete hardens, the pipe blocks, requiring time-consuming disassembly, manual cleaning, or in severe cases complete line replacement. Pipe cleaning balls and foam cleaning balls are the standard solution for concrete pump line flushing, driven through the line by water pressure after each pour to sweep residual concrete completely before it sets, protecting the pump, the line, and the construction schedule.
Construction Engineering · Concrete Pump Pipe Dredging Sponge Plugs
| Item | Parameter Specification |
| Product Type | Rubber Sponge Balls, Peeled Rubber Balls, Emery Rubber Balls |
| Density | 160–300 kg/m³ |
| Wet Density | 0.95–1.05 |
| Shore Hardness | 25–65 Shore A (Sponge Balls: 25–35A; Peeled Rubber Balls: 35–50A; Emery Rubber Balls: 45–65A) |
| High Temperature Resistance | Regular: 40–60℃; Heat-Resistant Type: 70–85℃; Short-term Oil-Free Medium: 130℃ |
| Acid and Alkali Resistance | pH 5–12 |
| Tear Resistance | ≥25 kN/m |
| Tensile Strength | ≥1.5 MPa |
| Elongation at Break | ≥250% |
| Compression Set | ≤8% (24h/70℃) |
| Abrasion Resistance Cycles | ≥1000 cycles |
| Applicable Pipe Diameter | Φ14–Φ38mm |
| Applicable Working Conditions | Online cleaning of condensers, removal of soft/medium/hard scale |
| Core Features | No damage to pipes, no slag falling, high resilience, thorough cleaning |
Recommended Cleaning Balls for Concrete Pumps
Pipe Cleaning Balls
Pipe cleaning balls are the primary choice for concrete pump line flushing. High-strength, high-density rubber construction withstands the impact forces generated when driven through pump lines at speed by water pressure. The firm outer surface scrapes residual concrete from pipe inner walls as it travels the length of the line. Abrasion resistance rated over 1,000 cycles, excellent resilience and toughness for repeated use. Reduces the need for pipe disassembly and manual cleaning between pours, saving time and labour cost on active construction sites.
Foam Cleaning Balls
Foam cleaning balls are used ahead of the pipe cleaning ball as a separator between the concrete charge and the flushing water, or as a final wipe-down pass to remove residual slurry from pipe walls after the main cleaning ball has passed. The high-adsorption foam surface picks up fine concrete residue and cement paste that remain after the primary cleaning pass, leaving the pipe interior clean and ready for the next pour.
Selecting the Right Ball for Your Concrete Pump System
For most concrete pump line flushing applications, a pipe cleaning ball driven by water pressure after each pour handles the main cleaning requirement. Adding a foam cleaning ball as a follow-up pass removes residual slurry and cement paste for a cleaner finish. Both products are available in diameters matched to standard concrete pump pipe sizes and can be customised for non-standard pipeline dimensions. Contact us with your pump pipe diameter for a matched size recommendation.