🌐 Global Continuous Spare Parts Supply: Direct Delivery to Your Desired Destination.
MERIT is a premier global manufacturer with an elite, rapid-response logistics infrastructure engineered to eliminate operational downtime. We provide heavy industries, distributors, and fleet managers with immediate, direct-to-destination parts supply across our dominant international networks:
- Australia & Oceania: Supplying heavy-duty parts directly to Australia’s massive mining sectors (Western Australia, Queensland, NSW), remote quarry operations, and equipment hire fleets nationwide.
- The Arabian Peninsula: Delivering high-wear components engineered to withstand extreme ambient heat directly to the GCC region, including the UAE (Dubai, Abu Dhabi), Saudi Arabia (Riyadh, Jeddah, NEOM project sites), Oman, Qatar, Kuwait, and Bahrain.
- Russia & CIS Regions: Fast-track dispatch routes delivering premium components directly to central hubs, industrial zones, and major regional warehouses across Russia and neighboring CIS territories.
- Global Heavy Hubs (Europe, Africa & The Americas): Empowering cross-continental supply chains with high-volume distribution to major plant hire networks, tier-one mining projects, and commercial infrastructure hubs from Frankfurt to Johannesburg and Houston. Wherever your hammer operates, MERIT guarantees direct, uninterrupted factory-to-port or factory-to-door delivery.
Precision Engineering for Reliable Solid Body Breakers
The internal striking piston (OEM Part Number: 3315302400 / 3315 3024 00) is the dynamic core of the Epiroc / Atlas Copco SB 552 hydraulic breaker. Operating within Epiroc’s renowned Solid Body (SB) concept, this piston converts high-pressure hydraulic oil flow into rapid, high-frequency kinetic energy. Striking the working tool (chisel) with immense velocity, it delivers relentless impact force to handle demanding trenching, demolition, landscaping, and secondary boulder breaking.
MERIT manufactures this premium replacement piston using high-purity forged alloy steel treated with advanced thermodynamic case-hardening. This ensures your SB 552 hammer maintains peak striking frequency under the most punishing field conditions, completely eliminating risks of structural cracking, micro-fissures, or impact-face deformation.
Technical Features and Reliability of MERIT Pistons
Operating a highly efficient hammer like the Epiroc SB 552 demands micronic manufacturing tolerances to maintain hydraulic seal integrity and prevent internal cylinder scoring. MERIT delivers absolute mechanical excellence through:
1. Ultra-High-Density Forged Alloy Steel
MERIT pistons originate from certified, premium-grade alloy steel that undergoes rigorous mechanical forging. This process completely eliminates internal porosity and microscopic defects, granting the metal exceptional tensile strength and maximum fracture toughness against intense recoil forces.
2. CNC Precision Machining & Super-Finish Polishing
The external sliding surfaces are machined on state-of-the-art CNC grinding centers to achieve strict dimensional tolerances. A specialized “mirror-like” super-finishing process dramatically reduces the friction coefficient inside the breaker cylinder, protecting the hydraulic seal kit from premature tearing and preventing costly oil leaks.
3. Differential Case Hardening (Heat Treatment)
To optimize operational life, the piston receives precise differential heat treatment. The bottom impact face is hardened to maximum Rockwell scales to resist indentation and deformation from continuous contact with the chisel, while the inner core retains elastic toughness to absorb reverse shockwaves without snapping.
Why Choose MERIT for your Epiroc SB 552?
- Optimal Energy Transfer: 100% straight-line impact delivery maximizes your rock-breaking output per hour and optimizes the energy efficiency of the SB 552.
- Cylinder Protection: The micro-smooth surface finish prevents dry friction scratches and scoring on the expensive inner bore of the breaker cylinder.
- Direct OEM Compatibility: Engineered as a direct drop-in replacement that fully complies with original dimensions, tolerances, and weight distribution for Epiroc / Atlas Copco Part Number 3315302400.
- Minimized Downtime: Strategically positioned global supply lines ensure rapid dispatch, drastically reducing waiting times and lowering unplanned maintenance costs.
Product Specifications
| Specification | Value |
|---|---|
| Product Line | Hydraulic Breaker Piston / Striking Piston / Impactor |
| Compatible Model | Epiroc / Atlas Copco SB 552 (Solid Body Series) |
| OEM Part Numbers | 3315302400 / 3315 3024 00 |
| Raw Material | Premium Forged Alloy Steel |
| Surface Finish | CNC Machined with Super-Finished Mirror Polish |
| Logistics & Supply | Global Continuous Spare Parts Supply (Direct to Destination) |
| Manufacturer & Supplier | MERIT |
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