... -step,three-step and stepless control system. Screw Air Cooled Chiller Products characteristic:1.World Famous Brand Screw Compressor;The compressor ... %-75%-50-25%) or three-segment (100%-66%-33%) and non-segment control system.3.Built-in Oil Pressure System;Adopt ... cleaning machine, plastic and mould machine, electric industry, etc.6.Model;120ASH,AGS-100ADH,AGS-120ADH,AGS-150ADH,AGS-170ADH,AGS ...