The universal rotary drilling rig RB 50 has been completely reworked and upgraded, technically as well as power-wise. The RB 50 universal drilling rig enables each user to drill with the following methods, with borehole diameters up to 47″ (1.200 mm):

• Rotary-drilling with direct circulation
• Rotary-drilling with reverse circulation
• Auger drilling
• Percussion core drilling (ram coring)
• Wire-line core drilling
• Down-The-Hole hammer drilling
• Free-fall drilling
• Direction deviation drilling

Especificaciones:

Depth	(m)	700 (Ø 1.200 mm) / 1.200 (Ø 150 mm)
Hook load (max. permissible)	(kN)	500
Casing installation height (with extension)	(m)	8,0
Feed force	(kN)	80
Pull back	(kN)	190
Length of stroke	(m)	7,2
Torque	(Nm)	31.580
Rotation speed	(1/min)	0 – 330
Free passage	(mm)	150
Weight	(t)	28 – 30

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