2000 – 4000 l

Mixing station MS 850e – electrical driven pump

The MS 850e fluid mixing system is designed to provide highest performance and efficiency at low costs. Powered by a proven mixing and feeding pump with special seals for the Bentonite, it offers up to 850 ltr/min of drilling fluid. The MS 850e supports horizontal directional drilling systems of all sizes.

Bentonite and fresh water tank

The MS 850e has a very compact design. It can be installed easily on a truck without taking too much space. The mixing station can be equipped with one or two tanks. The first tank is for the bentonite. The second tanc is for fresh water. TERRA offers 2’000 ltr and 3’000 ltr tanks.

Funnel with underpressure (Venturi hopper)

The big funnel with cutting knife makes your HDD live easier on the jobsite. The cutting knife in the funnel opens the Bentonite bags. A 25 kg bag of Bentonite can be placed besides the funnel. Due to the venturi pipe there is an underpressure in the whole system. The Bentonite is sucked into the mixing unit which provides a reliable mixing.

Electrical driven pump

The MS 850e is electrical driven. The mixing and feeding pump requires 5.5 HP (4 kW). TERRA recommends a Diesel Power Generator with 15-20 kVA. The electrical pump is quiet and environmentally friendly. A special switch allows starting of the electrical engine smooth and silent.

Technical Data

Technical specifications can be changed without previous notice.

Power, mixing pump
5.5 PS (4.0 kW)
5.5 HP (4.0 kW)
Pump discharge rate
850 l/min
200 gpm
Flow rate to boring unit
850 l/min
200 gpm
Distance to boring unit
60 m
200 ft
Fluid pressure
25 m (2.5 bar)
360 psi
Typical mixing time per 1’000 ltr of water
5 min
5 min
Mixing hopper capacity
25 kg
55 lbs
Drilling fluid tank capacity
2000 / 3000 l
530 / 750 gal
Dimensions with one tank L x W x H
2300 x 1400 x 1850 mm
90 x 55 x 70 in
Dimensions with two tanks L x W x H
2300 x 2200 x 1850 mm
90 x 85 x 70 in
Weight with one tank (empty)
520 kg
Weight with two tanks (empty)
805 kg


Vedúci servisu

Dezider Baláž
Technické poradentsvo Putzmeister a Dynapac
Diagnostický technik
Tel. kontakt: +421 910 910 451
Email: servis@jamalsk.sk

Vedúci divízie cestnej mechanizácie

Ing. Otokar Macháček
Technické poradenstvo Dynapac a Terra
Diagnostický technik
Tel. kontakt: +421 948 332 182
Email: otokar.machacek@jamalsk.sk

Náhradné diely

Jakub Mihalik
Technické poradenstvo
Tel. kontakt: +421 903 721 664
Email: jamalsk@jamalsk.sk

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