Method and apparatus to manufacture a progressive cavity motor or pump

Electrochemical machining method for rotors or stators for moineau pumps

Electroformed stator tube for a progressing cavity apparatus

Undercut stator for a positive displacment motor

Method for manufacturing a machine housing having a surface-hardened fluid chamber

Electroformed stator tube for a progressing cavity apparatus

Vane pump

Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining

Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining