The Research & Development of the First Domestic Manufacture Line of Dual-head High Pressure Hydraulic Testing Machine

Described are the structure features and the performance parameters of the first domestic manufacture line of the dual-head high pressure hydraulic testing machine,developed by Xi'an Heavy Machinery Research Institute.The pressure intensifier and the water filling head are designedly integrated in the hydraulic testing machine,provided with the mechanical feed screw nut as the driven mode for the air exhaust head,with the international advanced axial pre-tightening and assembling sealing ring having large clearance as its sealing,and also with the advanced small flow leakage monitoring alarm device in the machine.The manufacture line has been successfully put into operation.