In the demanding world of demolition, mining, and quarrying, a hydraulic rock breaker’s performance is non-negotiable. While the tool, front head, and accumulator all play vital roles, the cylinder is the true engine of the hammer. It’s the component that transforms hydraulic power into the destructive force that fractures rock and concrete.
At MERIT, we don’t just manufacture cylinders; we engineer the very core of your hammer’s power and endurance. Here’s why a MERIT cylinder is the best investment for maximizing uptime and productivity.
1. Unmatched Material Science: Forging Resilience
The constant, high-impact cycling within a breaker cylinder demands a material that can withstand incredible stress without failing.
- High-Strength, Forged Steel: We exclusively use premium, high-tensile strength forged steel for our cylinder bodies and pistons. Unlike cast or inferior materials, our forged components have a superior grain structure, eliminating porosity and providing exceptional impact toughness and fatigue resistance.
- Precision Hard Chrome Plating: The piston rod undergoes a specialized hard chrome plating process. This creates an ultra-hard, low-friction surface that is highly resistant to wear, scoring, and corrosion, ensuring a perfect seal and long service life even in abrasive environments.
2. Engineering Precision: The Key to Power and Efficiency
The accuracy of the cylinder’s bore, the straightness of the piston, and the quality of the sealing surfaces directly impact the hammer’s blow energy and fuel efficiency.
- Advanced Machining: Our state-of-the-art CNC machinery guarantees tolerances measured in microns. This precise fit between the piston and cylinder wall minimizes internal leakage, ensuring that maximum hydraulic force is transferred into kinetic energy with every blow.
- Optimized Porting: The design of the hydraulic fluid ports is critical for rapid piston reciprocation. MERIT engineers optimize port geometry to ensure fast oil flow, which translates to a higher blow frequency and more efficient breaking cycle.
3. Superior Sealing Technology: Preventing the #1 Cause of Failure
Hydraulic fluid contamination and seal failure are the primary reasons for cylinder and hammer downtime.
- Robust Seal Kits: MERIT cylinders are equipped with seal kits designed to withstand high-pressure shocks, temperature fluctuations, and contamination. We use a combination of advanced polyurethane and specialty rubber compounds for superior durability.
- Integrated Wiper Systems: Our cylinders feature multi-stage wiper and scraper systems that aggressively prevent external dirt, moisture, and debris from entering the hydraulic system, protecting the piston, seals, and the entire hammer from internal damage.
4. Comprehensive Model Compatibility & OEM Quality
We understand that downtime is costly. That’s why we produce direct-replacement cylinders that meet or exceed OEM specifications for all major rock breaker brands and models, including:
- Sandvik/Rammer
- Atlas Copco/ Epiroc
- Krupp
- DNB
- MSB
- Furukawa
- NPK
- All other major and regional brands
The MERIT Promise: More Than a Part, It’s a Partnership
When you choose a MERIT cylinder, you are not just buying a component; you are investing in:
- Proven Reliability: Built for the most severe applications in quarrying, mining, and tunneling.
- Increased Productivity: Consistent power and faster cycle times to get more work done.
- Reduced Total Cost of Ownership: Fewer breakdowns, less downtime, and longer service intervals mean a lower cost per hour of operation.
- Global Support: Backed by MERIT’s worldwide distribution and technical support network.
Don’t let a worn-out cylinder be the weak link in your operation. Upgrade to the power and reliability of a GENUINE MERIT hydraulic cylinder.
Contact MERIT today to find the perfect cylinder for your rock breaker hammer and experience the difference that superior engineering makes.
| NO | BRAND | PART NUMBER | DESCRIPTION | MODELS |
|---|---|---|---|---|
| 1 | KRUPP | 3361854347 | Bolt | HM 2000, HM 2300 |
| 2 | KRUPP | 3360981927 | Retainer Bar | HM 2000 |
| 3 | KRUPP | 3363086293 | Seal Kit Complete | HM 2000 |
| 4 | KRUPP | 3361854321 | Percussion Piston | HM 2000 |
| 5 | KRUPP | 3363086293 | Percussion Piston | HM 2000 |
| 6 | KRUPP | 3363086585 | Tensioning Bolt Complete | HM 2000 |
| 7 | KRUPP | 3361854331 | Washer | HM 2000 |
| 8 | KRUPP | 3362262925 | Seal Plug | HM 2000 |
| 9 | KRUPP | 3361854363 | Locking Bush | HM 2000, HM 2300 |
| 10 | KRUPP | 3362261647 | Diaphragm | HM 2000 |
| 11 | KRUPP | 3363088507 | Wear Bush | HM 2000 |
| 12 | KRUPP | 3363069183 | Wear Bush | HM 2000 |
| 13 | KRUPP | 3363069079 | Impact Ring | HM 2000 |
| 14 | KRUPP | 3363066501 | Set of Plastic Parts | HM 2000 |
| 15 | KRUPP | 3361847637 | Shock Absorber | HM 2000 |
| 16 | KRUPP | 3361849805 | Elastic Pad | HM 2000 |
| 17 | KRUPP | 3362269685 | Damping Element | HM 2000 |
| 18 | KRUPP | 3362264051 | Guide Plate | HM 2000 |
| 19 | KRUPP | 3363087076 | Lower Hammer Part Kit | HM 2000 |
| 20 | KRUPP | 3033805 | Moil Point | HM 2000 |
| 21 | KRUPP | 3034028 | Moil Point | HM 2000 |
| 22 | KRUPP | 3033927 | Flat Chisel | HM 2000 |
| 23 | KRUPP | 3034256 | Flat Chisel | HM 2000 |
| 24 | KRUPP | 3035661 | Blunt Steel | HM 2000 |
| 25 | KRUPP | 2261541 | Bolt | HM 2100 |
| 26 | KRUPP | 1332227 | Retainer Bar | HM 2100 |
| 27 | KRUPP | 3083592 | Seal Kit Complete | HM 2100 |
| 28 | KRUPP | 1847711 | Percussion Piston | HM 2100 |
| 29 | KRUPP | 2262677 | Tensioning Bolt Complete | HM 2100 |
| 30 | KRUPP | 1852839 | Nut | HM 2100 |
| 31 | KRUPP | 2262921 | Seal Plug | HM 2100 |
| 32 | KRUPP | 1854363 | Locking Bush | HM 2100 |
| 33 | KRUPP | 1329022 | Diaphragm | HM 2100 |
| 34 | KRUPP | 3069663 | Wear Bush | HM 2100 |
| 35 | KRUPP | 3069665 | Wear Bush | HM 2100 |
| 36 | KRUPP | 3069081 | Buffer Ring | HM 2100 |
| 37 | KRUPP | 3066500 | Set of Plastic Parts | HM 2100 |
| 38 | KRUPP | 1847637 | Damping Element | HM 2100 |
| 39 | KRUPP | 1847635 | Elastic Pad | HM 2100 |
| 40 | KRUPP | 2269797 | Guide Plate | HM 2100 |
| 41 | KRUPP | 2265215 | Guide Plate | HM 2100 |
| 42 | KRUPP | 3070585 | Lower Hammer Part Kit | HM 2100 |
| 43 | KRUPP | 3082253 | Moil Point | HM 2100 |
| 44 | KRUPP | 3082255 | Flat Chisel | HM 2100 |
| 45 | KRUPP | 3082257 | Blunt Steel | HM 2100 |
| 46 | KRUPP | 3361332227 | Retainer Bar | HM 2300 |
| 47 | KRUPP | 3363083592 | Seal Kit Complete | HM 2300 |
| 48 | KRUPP | 3361847711 | Percussion Piston | HM 2300 |
| 49 | KRUPP | 3363084693 | Tensioning Bolt Complete | HM 2300 |
| 50 | KRUPP | 3363069441 | Nut | HM 2300 |
| 51 | KRUPP | 3362262921 | Seal Plug | HM 2300 |
| 52 | KRUPP | 3362260433 | Locking Bush | HM 2300 |
| 53 | KRUPP | 3361329022 | Diaphragm | HM 2300 |
| 54 | KRUPP | 3363069663 | Wear Bush | HM 2300 |
| 55 | KRUPP | 3363069665 | Wear Bush | HM 2300 |
| 56 | KRUPP | 3363069081 | Buffer Ring | HM 2300 |
| 57 | KRUPP | 3363066500 | Set of Plastic Parts | HM 2300 |
| 58 | KRUPP | 3361847637 | Damping Element | HM 2300 |
| 59 | KRUPP | 3361847635 | Elastic Pad | HM 2300 |
| 60 | KRUPP | 3362269797 | Guide Plate | HM 2300 |
| 61 | KRUPP | 3362265215 | Guide Plate | HM 2300 |
| 62 | KRUPP | 3363085493 | Lower Hammer Part Kit | HM 2300 |
| 63 | KRUPP | 3363082253 | Moil Point | HM 2300 |
| 64 | KRUPP | 3363085976 | Chisel | HM 2300 |
| 65 | KRUPP | 3363082255 | Chisel | HM 2300 |
| 66 | KRUPP | 3363082257 | Blunt Steel | HM 2300 |
