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Refurbished Grundoburst 400g - System 1


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Overview

The Grundoburst 400G is a tried and tested, cost effective trenchless method for the bursting of existing mains up to 6” cast iron, UPVC, asbestos cement, clay, concrete, ductile iron and steel.

The Grundoburst is ready for action very quickly. The operation is simple with no skilful demands on the two operatives, which are the maximum required.

  • This Grundoburst 400G-Series is refurbished including seals on the rams, hoses & powder coated.
  • 2 no. rod baskets with 144 x quick click-shut coupling (QuickLock) without threads, no lubrication or elaborate screwing required.
  • 3”, 4” & 6” Arrow Blades with adaptors & expanders (British Tooling).
  • Power Pack fully serviced & tested with low hours.
  • Ifor Williams 3.5t Trailer.

Specifications

Dimensions Bursting Rig 1420 (L) x 560 (W) x 520 (H) mm
Weight Bursting Rig 583 kg
Thrust Force at 200 Bar 275 kN
Pulling Force at 250 Bar 400 kN
Construction Pit Size 3300 (L) x 1000 (W) mm
Axis Height 230 mm
Driving Capacity 55.5 b.2800 U/min. 24.4 b.3000 U/min (kW)
Hydr. Operating Pressure 250 bar
Bursting Rod Ø: 54 mm (standard)
Bursting Rod Weight 7.5 kg
Bursting Rod Effective Length 700 mm