The test rig is designed according to the test requirements of oxygen accessories and oxygen instruments of various military and civil aircraft, and taking into full consideration the particularity and safety requirements of oxygen accessories test. This test bed is designed as a general platform structure. In addition to meeting users' specific product testing requirements, it can be expanded according to the requirements later to increase the testing capacity. The working medium of the test bench is nitrogen.

Test function:

·Pressure reducer air tightness check (nitrogen) : 12.7 ~ 14.7Mpa / 0 ~ 2.5Mpa

·Safety valve leakage check (nitrogen) : 12.7 ~ 14.7 MPa/ 0 ~ 150 mL /min;

·The working performance check of the decompressor (nitrogen) :12.7 ~ 14.7Mpa /0 ~ 2.5Mpa /0 ~ 6 m³/h;

·Safety valve opening pressure check (nitrogen) : 12.7 ~ 14.7MPa / 0 ~ 2.5MPa;

·Air tightness check of intake valve: 0 ~ 10 MPa;

·Air tightness check and working performance check of the vent valve: 0 ~ 2.5MPa;

·Oxygen switch air tightness check: 12.7 ~ 14.7 MPa;

·Air tightness check of switch valve and hand wheel rotation Angle check: 12.7 ~ 14.7 MPa;

·High pressure oxygen pressure gauge and low pressure oxygen pressure gauge check: 0 ~ 16 MPa;

·Oxygen filling nozzle inspection: 12.7 ~ 14.7 MPa/ 0 ~ 10 mL /min;

·Air tightness check of oxygen cylinder joint, one-way valve and oxygen filling nozzle valve: 12.7 ~ 14.7 MPa/ 0 ~ 150 mL /min;

·Oxygen cylinder joint, one-way valve, one-way valve oxygen filling nozzle flow capacity che

·High pressure accessories air tightness check: 15 ~ 25 MPa;