It is a hand operated stirrup pump of the diaphram type in which grout is drawn up the suction pipe past a simple
nonreturn ballvalve,and on pressure stroke is driven forward into the feed hose through a similar nonreturn
valve.Site trials of grouting of ducts in normal beams have shown ABLE Standard Grout Pump can supply 130 liters of
neat cement grout per hour of pumping time,which means it is a pump having a fairly large capacity.The maxium working
pressure is 3 kg/cm2 (40 psi).