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Top hammer rock drills

RD921

Hole size
64 - 89 mm
Percussion power
21 kW
Tasa de percusión
71 Hz
RD900 Rock drill front left view white background

El modelo RD921 de Sandvik es una perforadora hidráulica de roca diseñada para perforaciones de barrenos de diámetro mediano. Es la más pequeña de la serie RD900, la familia de perforadoras de roca más potente de su clase, capaz de perforar de 64 a 89 mm.

Especificaciones del producto

Hole size
64 - 89 mm
Percussion power
21 kW
Tasa de percusión
71 Hz
Percussion pressure
200 bar
Rotación (máx.)
200 bar
Tipo de motor de rotación
OMT250, OMT315
Peso
340 kg
Rock drill parts

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