Grout Pump

GB7 / Whytehall

The new GB7 range of grout pumps manufactured by Whyte-Hall has been developed following many years experience in the manufacture and marketing of grout  pumps as well as specific customer application requirements for grouting.The GB7 series is an extremely simple and robust piece of equipment, far superior to other competitive products.


The GB7 grout pump is an air driven, reciprocating, single piston type, the reciprocating air-motor being directly linked by the connecting rod to the piston of the pump. This piston has a built in check valve which opens on the down stroke and closes on the up stroke, the liquid trapped in the riser tube then being pushed out by the piston as it moves up. The GB7 grout pump from the mixing container via the hose to the work site.


There are many applications for the GB4 & GB7 grout pump range including:

  • Construction/Building/Civil Engineering
  • Ground anchors, backfilling, guniting, ground sealing, spraying, building repair etc. where cementitious type materials need to be applied to fill voids, cracks and hollows under pressure.
  • Roofbolting, postgrouting, longhole grouting, spraying etc. 


Heavy duty transfer pumping, sludge pumping cement mortar transfer and spraying.

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