Rammer Type

Category: Martillos

Specification / Model	Unit	JSB20N	JSB30N	JSB40N
Working weight	kg	1,690	2.2	2,600
Impact rate	bpm	350~500	2.2	200~350
Impact Energy Class	joule	4,200	5,800	7,500
Operating pressure	bar	140~180	140~1810	160~180
Pressure relidg min.	bar	190	190	200
Pressure relief max.	bar	200	200	210
Required oil flow	l/min	120~160	160~230	170~240
Back pressure max	bar	5~10	5~10	5
Chisel diameter	mm	130	140	155
Pressure line (IN)	inch	1“	1“	1“
Return line (OUT)	inch	1 1/4“	1 1/4“	1 1/4“
Max. allowed oil temperature	℃	-20~+80(℃)	-20+80(℃)	-20+80(℃)
Optimum oil temperature	℃	+40~+60(℃)	+40~+60(℃)	+40~+60(℃)
Oil viscosity at perating temp.	cst	30~60(cSt)	30~60(cSt)	30~60(cSt)
Carrier weight	ton	20~26	28~36	35~55