Concrete Pump Plunger Cylinder | CK45 / 42CrMo4 Hard Chrome Honed Cylinder Tube for Concrete Machinery
Product Introduction
The Concrete Pump Cylinder, also known as the delivery cylinder or main pumping cylinder, is one of the core components of a concrete pump system.
The concrete pump plunger cylinder is designed to deliver high pressure and efficiency in concrete transport operations. Manufactured using CK45 and 42CrMo4 alloy steel, it offers high mechanical strength, excellent impact resistance, and durability in extreme working environments.
SPECIFICATION:
Product Description
The cylinder is precision honed and hard chrome plated, ensuring a mirror-like inner surface and long-lasting performance. The chrome layer (20–25 μm) minimizes abrasion caused by concrete aggregates, while the heat treatment process (quenching + tempering) enhances hardness and fatigue strength.
Key Benefits:
-
- Smooth piston travel due to tight tolerance (H8–H9)
-
- Corrosion-resistant chrome finish extends cylinder life
-
- Superior bonding strength between chrome and base metal
-
- Suitable for heavy-duty and continuous pumping operations
-
- Custom production available for various pump models
Product parameters
| OEM Cylinders For Concrete Pump | |
| Product Name | Concrete Pump Cylinder |
| Inner Diameter | Φ140mm – Φ260mm (customizable) |
| Outer Diameter | Φ160mm – Φ280mm |
| Total Length | 850HV(min) |
| Surface Hardness | Ra0.2um(max |
| Roughness (Ra) | ≥350 Mpa |
| Material | ≥580 Mpa |
| Processing | 0.2/1000mm |
| Compatibility | ≥15% |
| Service | Customized according to Customer requirements |
| Application | 1.Concrete pump trucks |
| 2.Trailer-mounted concrete pumps | |
| 3.Stationary and mixer pumps | |
| 4.Construction projects including tunnels, bridges |
Product Display
Product Applications
Used in hydraulic plunger systems of concrete pumps, truck-mounted pumps, and stationary units. Perfect for applications involving continuous concrete delivery in bridge, tunnel, and foundation projects.
The JNM plunger cylinder ensures stable performance under the toughest conditions, helping customers achieve efficient pumping and longer maintenance cycles.