TWINSTAR 3Z21
The truck mixer pump TWINSTAR 3Z21 is the suitable choice for flexibility, dynamism and reliability. Thanks to the boom in 3 sections with "Z" folding type this model has been designed for small jobsites, usually for residential building. The TWINSTAR 3Z21 has a minimum boom opening of 5.4 m only, suitable for urban construction sites with difficult access thanks to the front outriggers "horizontal" opening. Perfect assembly on truck:
- 3 axles with wheelbase 3.500 mm.
- 4 axles with wheelbase 4.250 - 4.550 mm.
Drum high load capacity with elliptical bottom with nominal capacity 7 m³. The pumping groups have high reliability up to 80 m³/h concrete output and pressures till to 80 bar.
Main features
- Mixer pump produced, assembled and tested by SERMAC
- Structural integrity verified with the Finite Element Method (FEM)
- Pump frame designed for high torsion rigidity
- Suitable for assembly on 3- or 4-axle trucks
- Boom 3-stage, Z-folding type
- Pipeline diameter Ø 100 mm (4“) or Ø 125 mm (5”)
- Main components sourced from genuine German and Italian manufacturers
- Pumping unit with open hydraulic system and high manganese cast iron S-valve
- Drum with high load capacity, made with 4 bands to reduce the wears, with elliptical bottom in steel and cone to reinforce the attack flange reducer
- Ideal for working in tight spaces
Standard dotation
- Horizontal telescopic front outriggers type
- Straight pipes made in single-wall steel. Bends made in casting
- Two sets of radio remote controls provided with 2-speed proportional boom control, automatic free frequency search, 8-position joysticks and concrete output control
- Wear compensation system between wear plate and wear ring. Wear plate and wear ring with tungsten carbide inserts
- Automatic hopper greasing unit with manual back-up system
- Automatic oil lubrication for piston rams
- Safety device on hopper door and hopper grate
- Electric vibrator on hopper grate
- Multi-stage water pump (130 l/min - 40 bar)
- Work light on hopper
- Metal bin for accessories beside hopper
- Warning horn on the boom
- Accessories for cleaning and maintenance
