Medium Range - 2155
Rammer 2155 embrases the very latest in hydraulic hammer design with it's slim body, robust housing made of wear resistant steel, a replaceable bottom plate etc. A key feature of the 2155 is its new design that provides its user exceptional flexibility to match the hammer precisely to their application and material requirements by choosing from a range of options as “retrofit”.
Features
- Membrane type accumulator
- Twin-handed
- Sound supressed
- FBE (Fixed blow energy)
- Lifetime warranty
- Safety valve (Optional)
- Ramlube I (Optional)
- Ramlube II (Optional)
- VIDAT tie rods
- Heavy duty set (Optional)
Applications
- Primary Demolition
- Secondary Demolition
- Boulder Breaking
- Trenching
- Metallurgical industry
Specifications
| Weight | 1040 kg | 2290 lb |
| Working length | 2198 mm | 86.5 in |
| Minimum working weight, flange mounted *1 | 1240kg | 2730 lb |
| Impact rate (frequency) | 490 - 780 bpm | |
| Operating pressure | 140 - 160 bar | 2030 - 2320 psi |
| Pressure relief min *2 | 220 bar | 3190 psi |
| Pressure relief max | 240 bar | 3480 psi |
| Oil flow range | 120 - 180 l/min | 31.7 - 47.6 gal/min |
| Back pressure max | 10 bar | 145 psi |
| Input power | 48 kW | 64 hp |
| Tool diameter | 118 mm | 4.65 in |
| Pressure line connection (IN) | ORFS ISO 8434-3 (1 11/16-12 UN ) | |
| Return line connection (OUT) | ORFS ISO 8434-3 (1 11/16-12 UN ) | |
| Pressure line size *3 | 26 mm | 1.02 in |
| Return line size *3 | 26 mm | 1.02 in |
| Grease connection | Tema 2520 | |
| Optimum oil temperature | 40 - 60 °C | 104 - 140 °F |
| Allowed oil temperature range | -20 - 80 °C | -4 - 176 °F |
| Optimum oil viscosity at operating temperature | 30 - 60 cSt | |
| Allowed viscosity range | 20 - 1000 cSt | |
| Carrier weight, optimum *4 | 19 - 22 t | 41900 - 48500 lb |
| Carrier weight, range *4 | 16 - 26 t | 35300 - 57300 lb |
| Noise level, measured (2000/14/EC) | 124 dB(A) | |
| Noise level, guaranteed (2000/14/EC) | 128 dB(A) | |
| *1 Includes average mounting bracket and standard tool *2 Minimun setting = actual operating pressure + 50 bar or 725 psi *3 minimum inner diameter *4 Check carrier allowed attachment weight from carrier manufacturer. Check application requirements. |
||