... electric pump can be used as the power producer of prestressing jack, extruder, cotton gin, etc. ZB(Y) series high-pressure electric ... 63Mpa. It can be used as the power producer of prestressing jack, extruder, cotton gin, etc.ModelRated pressure(50Mpa)Retad flow(L ... /63632*1.58560740*450*820For use with all kinds of prestressing jack, extruder, cotton gin, etc., the rated pressure of which is ...