PM7C
Promac’s proven breaking technology, For half a century, the technology utilized in Promac’s breakers has been tested and proven in all corners of the globe. Designed to provide the most simple and cost-effective solution to your breaking needs. The silenced housing offers increased noise prevention, making them ideal for urban applications.
Features
- Vibration and sound suppressed
- Excavator Friendly
- Service Friendly
- Excellent power-to-weight ratio
- Fast-change tool system
- Large Tool Diameter/Length
- Full Manufacture Warranty
- Nitrogen Accumulator
WEIGHT
345 kg
760 lb
Working length
1451 mm
Minimum working weight, flange mounted *1
420 kg
930 lb
Impact rate (frequency)
400 - 950 bpm
Operating pressure
90 - 140 bar
1305 - 2030 psi
Pressure relief min *2
150 bar
2175 psi
Pressure relief max
170 bar
2465 psi
Oil flow range
45 - 85 l/min
11.9 - 22.5 gal/min
Back head pressure
13 - 15 bar
190 - 220 psi
Back pressure max
15 bar
220 psi
Input power
21 kW
28 hp
Tool diameter
75 mm
2.95 in
Pressure line connection (IN)
BSPP-internal 1/2"
Pressure line connection (Out)
BSPP-internal 1/2"
Pressure line size *3
12.5 mm
0.49 in
Return line size *3
12.5 mm
0.49 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
Allowed viscosity range
20 - 1000 cSt
Carrier weight, range *4
6.0 - 10.0 t
13200 lb
Noise level, measured (2000/14/EC)
118 dB(A)
Noise level, guaranteed (2000/14/EC)
122 dB(A)
*1 Includes average mounting bracket and standard tool
*2 Minimum 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.
