Bretec M7 Silenced – Aggregate Equipment

Product Description

Bretec’s proven breaking technology, For half a century, the technology utilized in Bretec’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.

Weight	345 kg	760 lb
Working length	1451 mm	57.12 in
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″
Return 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.