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Shotcrete machine process is to use compressed air to convey the pre-dampened mix through delivery hose to the nozzle to project the material onto the sprayed surface under high velocity, and then to form concrete support layer after the projected material coagulates and hardens. With simple technology, special effect, economy cost, flexibility and high construction efficiency, shotcrete technology has widely been applying in construction, railway and super highway engineering, underground engineering, tunneling, mining operations, hydropower projects and slope stabilization, etc. and showing prosperous future.

Shotcrete machine Technical Parameters

• Model	OPZ-3	OPZ-5	OPZ-9
  Output (m3/h)	3 m3/h	5.5 m3/h	9 m3/h
  Max.conv.dist	200	200	150
  Water cement ratio	< 0.4	< 0.4	< 0.35
  Max.Aggregate.size	10mm	15mm	20mm
  Hose inner size	φ42/50 mm	φ50 mm	φ60 mm
  Operating air pressure	0.2-0.6 MPa	0.2-0.6 MPa	0.2-0.6 MPa
  Air consumption	5-6 m3/min	7-8 m3/min	9-10 m3/min
  Motor power	3 kW(4hp)	5.5 kW(7hp)	7.5 kW(10hp)
  Dimension(LxHxW)	1130x1020x540mm	1350x1020x750mm	1500x1320x830mm
  Weight	520kg	780kg	980kg
  Voltages	220V/380V/400V/415V/440V/660V 50Hz/60Hz
  Basic chassis	①.Tyre ②.Skid ③.Rail-wheel
  Driving Type	Electric Motor