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BH Series Hammers Sales File
BH Series Hammers
Sales File
BH hammer series
BH series of hammers have been designed to accept high oil flows. Usually there is no need to restrict the carrier oil flow for the hammer.
High oil flows are typical for backhoe loaders.
Robi BH hammers will produce full impact energy ( CBE principle) also with lower oil flows which are typical for mini excavators , skid steer loaders, stationary boom systems and demolition robots.
Robi BH series is available in standard side plate and enclosed sound suppressed versions.
BH series top mounted version
Robi BH30T and BH50T hammers are top mount side plate designs i.e. installation to the carrier is done by quick hitch or traditional pin type mounting bracket.
Bracket type of fastening makes it easy to use hammer in different carriers e.g. in rental use.
Strong side plates are re-inforced all around and provide a good protection for hammer body and the front end
BH series pin mounted version
Robi BH30P and BH50P hammers are side mount side plate designs i.e. installation to the carrier is done by direct pin mount to the backhoe boom end.
Pin type of fastening makes it easy to install without any extra weight.
Pin type side mounted hammer can be tucked under the backhoe loader boom for easy transportation.
Strong side plates provide a good protection for hammer body and the front end
Please note that the pin mounted hammer can not be adapted to all carrier machines directly.
BH series Pin Mount Transportation Position
BH30P and BH50P models fit directly to many backhoe loader boom ends.
Hammer is designed so that it is possible to tuck the hammer under the boom for transportation.
BH series sound suppressed version
Robi BH30C , BH50C and BH80C hammers are top mount sound suppressed designs i.e. installation to the carrier is done by quick hitch or traditional pin type mounting bracket.
Bracket type of fastening makes it easy to use hammer in different carriers e.g. in rental use.
Strong side plates cover the hammer fully and provide a good protection for hammer hydraulic power cell and the front end.
Sound suppression elements provide also as an efficient vibration damping.
BH Sound Suppression
Sound suppressed BH series models have fully enclosed housing structure made from two separate side plates
– Efficient sound suppression
– Efficient vibration damping
– Full protection for power cell
BH Sound Suppression
Sound suppressed BH series models have fully enclosed housing structure made from two separate side plates
– Efficient sound suppression
– Efficient vibration damping
– Full protection for power cell
Side plate
Sound suppression and
vibration damping
Sound suppression
Power cell
BH series hydraulic power cell
Large accumulators
-Allows high oil flows
-Enables high impact energy
Valve housing
-Easy access to service all valves
Long piston
-High impact energy
-Good penetration in to the material
Strong front end
-Good protection for the wear parts
Long tool bushings
-Good guide for the tool shank
-Large grease area for tool protection
Long Piston
Large accumulators
Valve housing
Strong front end
Long tool bushings
BH series tie rods
Features & Benefits
Lock and seal rings
-Tie rod does not open
-No dust to jam the rod
Strong tie rod
-Long working life
Rolled threads
-Enables ideal thread profile
-Can stand high stresses
-Does not seize when opening
Round front nut
-Even distribution of the stresses
-Long life for nut and the tie rod
Round front nut
Lock and seal ring
Strong tie rod
Rolled threads
Sealing for
dust protection
Membrane accumulators
Features & Benefits
LP (low pressure ) accumulator
-Every stroke is equally powerful
-Impact energy only affected by low pressure Constant Blow Energy (CBE)
-Hammer is not sensitive for back pressure
-Enables high impact frequency
-Leak proof design hammer does not lose power
-Accumulator can be serviced separately
HP (high pressure) accumulator
-Protects the hammer and the carrier from pressure pulsations
-Leak proof design no pulsations in the hammer hydraulic lines
-Accumulator can be serviced separately
LP accumulator
HP accumulator
LP membrane
HP membrane
BH series valve housing
Features & Benefits
Pressure Adjusting Valve (PAV)
-Ensures the correct working pressure of the hammer
-Only low pressure affects the impact energy full power for every impact, no overpowering danger
Distributor valve
-Controls the piston strike and the smooth upwards movement
-Around the piston design enables high oil flows to pass through the hammer hydraulic system
PAV spool
Distributor valve
PAV spring
Valve housing
BH series front end
Strong structure
-Long lifetime
-Enables thick bushings
Wide surfaces
-Enable efficient vibration damping
-Enables excellent sound suppression
A channel
-For compressed air scaling or occasional
underwater work
“G” channel
-Grease channel for occasional under water work
-Grease channel for demanding applications
PAV spool
“A” channel
Front end
“G” channel
BH series front end
Upper tool bushing
-Slip fit, easy to change from front
Sealed tool retaining pins
-Sealed for dust protection long wear life
-Easy to remove easy tool change
Bushing retaining pins
-Even distribution of the stresses
-Long life for nut and the tie rod
Sealed front tool busing
-keeps the grease in efficiently
longer wear life
Upper tool bushing
Sealed tool retaining pin
Bushing retaining pin
Tool bushing with dust seal
Two grease nipples
BH series piston and cylinder
Features & Benefits
Long piston
-High impact energy
-Low recoil forces
Hydraulic brake
-Reduces the effect of idle blows less vibrations in the carrier, less stress in the hammer
Round cylinder
-Light weight but sturdy enables high weight/power ration for the hammer distribution of the stresses
-Accurate tolerances good overall efficiency low fuel consumption
Hydraulic brake
Long piston
Round cylinder
BH30T Technical Specification
Item Specification
Working weighta, T (Top mount) 305 kg (661 lb)
Impact rateb 400...2000 bpm (400...2000 bpm)
Operating pressurec 100...145 bar (1450...2100 psi)
Pressure relief, mind 150...195 bar (2180...2830 psi)
Pressure relief, max 220 bar (3190 psi)
Pressure in LP-circuit 28...32 bar (410...460 psi)
Oil flow range 25...100 l/min (6.6...26.4 gal/min)
Back pressure, max 20 bar (290 psi)
Input power 24 kW (32 hp)
Tool diameter 63 mm (2.48 in)
Pressure line connection (IN) BSPP-internal 3/4"
Return line connection (OUT) BSPP-internal 3/4"
Grease connection (G) BSPP-internal 3/8"
Air connection (A) BSPP-internal 1/2"
Pressure line size (minimum inner diameter) 19 mm (0.75 in)
Return line size (minimum inner diameter) 19 mm (0.75 in)
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 (30...60 cSt)
Allowed oil viscosity range 20...1000 cSt (20...1000 cSt)
Carrier weighte 3...6.5 t (6600...14300 lb)
Noise level, 85 dB(A), Top mount 25...40 m (82...131 ft)
a. Includes average mounting bracket and standard tool b. Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken c. Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure d. Minimum setting = actual operating pressure + 50 bar (730 psi) e. Check carrier's lifting capacity from carrier manufacturer
BH30P Technical Specification
Item Specification
Working weight a, P (Pin mount) 270 kg (595 lb)
Impact rate b 400...2000 bpm (400...2000 bpm)
Operating pressure c 100...145 bar (1450...2100 psi)
Pressure relief, min d 150...195 bar (2180...2830 psi)
Pressure relief, max 220 bar (3190 psi)
Pressure in LP-circuit 28...32 bar (410...460 psi)
Oil flow range 25...100 l/min (6.6...26.4 gal/min)
Back pressure, max 20 bar (290 psi)
Input power 24 kW (32 hp)
Tool diameter 63 mm (2.48 in)
Pressure line connection (IN) BSPP-internal 3/4"
Return line connection (OUT) BSPP-internal 3/4"
Grease connection (G) BSPP-internal 3/8"
Air connection (A) BSPP-internal 1/2"
Pressure line size (minimum inner diameter) 19 mm (0.75 in)
Return line size (minimum inner diameter) 19 mm (0.75 in)
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 (30...60 cSt)
Allowed oil viscosity range 20...1000 cSt (20...1000 cSt)
Carrier weight e 3...6.5 t (6600...14300 lb)
Noise level, 85 dB(A), Pin mount 25...40 m (82...131 ft)
a. Includes standard tool b. Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken c. Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure d. Minimum setting = actual operating pressure + 50 bar (730 psi) e. Check carrier's lifting capacity from carrier manufacturer
BH30C Technical Specification
Item Specification
Working weighta, C (Sound suppressed) 320 kg (705 lb)
Impact rateb 400...2000 bpm (400...2000 bpm)
Operating pressurec 100...145 bar (1450...2100 psi)
Pressure relief, min d 150...195 bar (2180...2830 psi)
Pressure relief, max 220 bar (3190 psi)
Pressure in LP-circuit 28...32 bar (410...460 psi)
Oil flow range 25...100 l/min (6.6...26.4 gal/min)
Back pressure, max 20 bar (290 psi)
Input power 24 kW (32 hp)
Tool diameter 63 mm (2.48 in)
Pressure line connection (IN) BSPP-internal 3/4"
Return line connection (OUT) BSPP-internal 3/4"
Grease connection (G) BSPP-internal 3/8"
Air connection (A) BSPP-internal 1/2"
Pressure line size (minimum inner diameter) 19 mm (0.75 in)
Return line size (minimum inner diameter) 19 mm (0.75 in)
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 (30...60 cSt)
Allowed oil viscosity range 20...1000 cSt (20...1000 cSt)
Carrier weighte 3...6.5 t (6600...14300 lb)
Noise level, 85 dB(A), Sound suppressed 8...14 m (26...46 ft) a. Includes average mounting bracket and standard tool b. Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken c. Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure d. Minimum setting = actual operating pressure + 50 bar (730 psi) e. Check carrier's lifting capacity from carrier manufacturer
EH30 Productivity in Concrete Breaking
Productivity means ability to break compact concrete. Volume of broken material is typically 1,5 - 1,9 times the volume of the solid structure, depending on the amount of rebar. Productivity is reduced in narrow or upwards applications, in selective demolition, with badly suited or special carriers etc.
Light demolition applications are e.g. brick walls or concrete with no rebar.
Average demolition applications are typically housing facilities, walls, ceilings between floors with minimum re-inforcements.
Tough demolition applications are factory machinery foundations, bridge pillars, bomb shelters, bank vaults etc. BH series hammers are best suited for light, averagely tough jobs and for occasional use in tough applications.
The figures are for comparisonand evaluation purposes only.Results will vary depending onoperator, carrier and job con-
ditions.
BH30 Field Noise levels
The noise decal in every CE- labeled hammer refers to values measured and calculated according to EU directive no. 2000/14/EC. This is a measurement which provides theoretical values which should not be exceeded in any circumstances.
Field noise level measurements are giving more likely scenario what will be the actual noise value in the work site. Please use these curves as a guiding indication only.
The actual noise at the work site should be always measured by trained health and safety personnel with proper measuring gear.
The figures are for comparisonand evaluation purposes only.Results will vary depending onoperator, carrier and job con-
ditions.
BH30 Tools
BH30 Tools
Tool Type Part No. Lenght [mm] Weight [kg] Diameter [mm]
Chisel 301 680 15 63
Long Chisel 302 780 18 63
Moil Point 303 680 15 63
Long Moil Point 308 780 18 63
Spade, parallel to boom 305 570 13 63/130
Spade,transverse to boom 306 570 13 63/130
Compacting Plate 307 570 30 63/250
BH50T Technical Specification
Item Specification
Working weighta, T (Top mounted) 430 kg (948 lb)
Impact rateb 600...1800 bpm (600...1800 bpm)
Operating pressurec 100...130 bar (1450...1890 psi)
Pressure relief, mind 150...190 bar (2180...2760 psi)
Pressure relief, max 220 bar (3190 psi)
Pressure in LP-circuit 38...40 bar (550...580 psi)
Oil flow range 50...150 l/min (13.2...39.6 gal/min)
Back pressure, max 30 bar (440 psi)
Input power 33 kW (44 hp)
Tool diameter 70 mm (2.76 in)
Pressure line connection (IN) BSPP-internal 1"
Return line connection (OUT) BSPP-internal 1"
Grease connection (G) BSPP-internal 3/8"
Air connection (A) BSPP-internal 1/2"
Pressure line size (minimum inner diameter) 26 mm (1.02 in)
Return line size (minimum inner diameter) 26 mm (1.02 in)
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 (30...60 cSt)
Allowed oil viscosity range 20...1000 cSt (20...1000 cSt)
Carrier weighte 5...8.5 t (11000...18700 lb)
Noise level, 85 dB 30...50 m (98...164 ft)
a. Includes average mounting bracket and standard tool b. Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken c. Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure d. Minimum setting = actual operating pressure + 50 bar (730 psi) e. Check carrier's lifting capacity from carrier manufacturer
BH50P Technical Specification
Item Specification
Working weighta, P (Pin mount) 390 kg (860 lb)
Impact rateb 600...1800 bpm (600...1800 bpm)
Operating pressurec 100...130 bar (1450...1890 psi)
Pressure relief, mind 150...190 bar (2180...2760 psi)
Pressure relief, max 220 bar (3190 psi)
Pressure in LP-circuit 38...40 bar (550...580 psi)
Oil flow range 50...150 l/min (13.2...39.6 gal/min)
Back pressure, max 30 bar (440 psi)
Input power 33 kW (44 hp)
Tool diameter 70 mm (2.76 in)
Pressure line connection (IN) BSPP-internal 1"
Return line connection (OUT) BSPP-internal 1"
Grease connection (G) BSPP-internal 3/8"
Air connection (A) BSPP-internal 1/2"
Pressure line size (minimum inner diameter) 26 mm (1.02 in)
Return line size (minimum inner diameter) 26 mm (1.02 in)
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 (30...60 cSt)
Allowed oil viscosity range 20...1000 cSt (20...1000 cSt)
Carrier weighte 5...8.5 t (11000...18700 lb)
Noise level, 85 dB 30...50 m (98...164 ft)
a. Includes average mounting bracket and standard tool b. Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken c. Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure d. Minimum setting = actual operating pressure + 50 bar (730 psi) e. Check carrier's lifting capacity from carrier manufacturer
BH50C Technical Specification
Item Specification
Working weighta, C (Sound supressed) 440 kg (970 lb)
Impact rateb 600...1800 bpm (600...1800 bpm)
Operating pressurec 100...130 bar (1450...1890 psi)
Pressure relief, mind 150...190 bar (2180...2760 psi)
Pressure relief, max 220 bar (3190 psi)
Pressure in LP-circuit 38...40 bar (550...580 psi)
Oil flow range 50...150 l/min (13.2...39.6 gal/min)
Back pressure, max 30 bar (440 psi)
Input power 33 kW (44 hp)
Tool diameter 70 mm (2.76 in)
Pressure line connection (IN) BSPP-internal 1"
Return line connection (OUT) BSPP-internal 1"
Grease connection (G) BSPP-internal 3/8"
Air connection (A) BSPP-internal 1/2"
Pressure line size (minimum inner diameter) 26 mm (1.02 in)
Return line size (minimum inner diameter) 26 mm (1.02 in)
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 (30...60 cSt)
Allowed oil viscosity range 20...1000 cSt (20...1000 cSt)
Carrier weighte 5...8.5 t (11000...18700 lb)
Noise level, 85 dB 15...25 m (49...82 ft)
a. Includes average mounting bracket and standard tool b. Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken c. Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure d. Minimum setting = actual operating pressure + 50 bar (730 psi) e. Check carrier's lifting capacity from carrier manufacturer
EH50 Productivity in Concrete Breaking
Productivity means ability to break compact concrete. Volume of broken material is typically 1,5 - 1,9 times the volume of the solid structure, depending on the amount of rebar. Productivity is reduced in narrow or upwards applications, in selective demolition, with badly suited or special carriers etc.
Light demolition applications are e.g. brick walls or concrete with no rebar.
Average demolition applications are typically housing facilities, walls, ceilings between floors with minimum re-inforcements.
Tough demolition applications are factory machinery foundations, bridge pillars, bomb shelters, bank vaults etc. BH series hammers are best suited for light, averagely tough jobs and for occasional use in tough applications.
The figures are for comparisonand evaluation purposes only.Results will vary depending onoperator, carrier and job con-
ditions.
BH50 Noise levels
The noise decal in every CE- labeled hammer refers to values measured and calculated according to EU directive no. 2000/14/EC. This is a measurement which provides theoretical values which should not be exceeded in any circumstances.
Field noise level measurements are giving more likely scenario what will be the actual noise value in the work site. Please use these curves as a guiding indication only.
The actual noise at the work site should be always measured by trained health and safety personnel with proper measuring gear.
The figures are for comparisonand evaluation purposes only.Results will vary depending onoperator, carrier and job con-
ditions.
BH50 Tools
BH50 Tools
Tool Type Part No. Lenght [mm] Weight [kg] Diameter [mm]
Chisel 501 730 20 70
Long Chisel 502 830 23 70
Moil Point 503 730 20 70
Long Moil Point 508 830 23 70
Spade, parallel to boom 505 720 19 70/150
Spade,transverse to boom 506 720 19 70/150
Compacting Plate 507 610 54 70/330
BH80C Technical Specification
Item Specification
Working weighta 820 kg
Impact rateb 500...1000 bpm
Operating pressuree 125...150 bar
Pressure relief, minc 175...200 bar
Pressure relied, max 220 bar
Pressure in LP-circuit 26...28 bar
Oil flow range 60...120 l/min
Back pressure, max 10 bar
Input power 30 kW
Tool diameter 95 mm
Pressure line connection (IN) BSPP-internal 1"
Return line connection (OUT) BSPP-internal 1"
Grease connection (G) BSPP-internal 3/8"
Air connection (A) BSPP-internal 1/2"
Pressure line size (minimum inner diameter) 26 mm
Return line size (minimum inner diameter) 26 mm
Optimum oil temperature 40...60 °C
Allowed oil temperature range -20...80 °C
Optimum oil viscosity at operating temperature 30...60 cSt
Allowed oil viscosity range 20...1000 cSt
Carrier weighte 9...15 t
Noise level, 85 dB(A) 16...22 m
a. Includes average mounting bracket and standard tool b. Actual impact frequency depends on oil flow, oil viscosity, temperature, and material to be broken c. Actual pressure depends on oil flow, oil viscosity, temperature, material to be broken and back pressure d. Minimum setting = actual operating pressure + 50 bar (730 psi) e. Check carrier's lifting capacity from carrier manufacturer
BH80 Productivity in Concrete Breaking
Productivity Curves
Productivity means ability to break compact concrete. Volume of broken material is typically 1,5 - 1,9 times the volume of the solid structure, depending on the amount of rebar. Productivity is reduced in narrow or upwards applications, in selective demolition, with badly suited or special carriers etc.
Light demolition applications are e.g. brick walls or concrete with no rebar.
Average demolition applications are typically housing facilities, walls, ceilings between floors with minimum re-inforcements.
Tough demolition applications are factory machinery foundations, bridge pillars, bomb shelters, bank vaults etc. BH series hammers are best suited for light, averagely tough jobs and for occasional use in tough applications.
The figures are for comparisonand evaluation purposes only.Results will vary depending onoperator, carrier and job con-
ditions.
BH80C Field Noise level
The noise decal in every CE- labeled hammer refers to values measured and calculated according to EU directive no. 2000/14/EC. This is a measurement which provides theoretical values which should not be exceeded in any circumstances.
Field noise level measurements are giving more likely scenario what will be the actual noise value in the work site. Please use these curves as a guiding indication only.
The actual noise at the work site should be always measured by trained health and safety personnel with proper measuring gear.
The figures are for comparisonand evaluation purposes only.Results will vary depending onoperator, carrier and job con-
ditions.
BH 80 Tools
BH80 Tools
Tool Type Part No. Lenght [mm] Weight [kg] Diameter [mm]
Chisel 801 900 46 95
Long Chisel 802 1050 55 95
Moil Point 803 900 44 95
Long Moil Point 808 1050 53 95
Blunt 804 800 43 95
Spade, parallel to boom 805 830 39 95/200
Spade, transverse to boom 806 830 39 95/200
Compacting Plate 807 800 107 95/350
