... high-pressure electric pump can be used as the power producer of prestressing jack, extruder, ... cotton gin, etc. ZB(Y) series high-pressure electric pump is a plunger type pump ... . The rated pressure is 50Mpa or 63Mpa. It can be used as the power producer of prestressing ... 450*820For use with all kinds of prestressing jack, extruder, cotton gin, etc ...