1. Test items: Mainly used for air tightness, pressure resistance, and burst test of aerospace gas cylinders.

2. Scope of application: The test system is suitable for pressure resistance, burst, fatigue burst and air tightness test of various cylinders, and can conduct holding pressure and burst test of the special container according to the customer's requirements, the maximum hydraulic pressure of the system reaches 260Mpa, the system pressure resistance is 300MPa, the air tightness test pressure reaches 40MPa, and the system pressure resistance is 60MPa.

3. Introduction of method: The test system is mainly used for pressure test of  pressure containers such as gas cylinders, including hydraulic strength, residual deformation, air tightness and other test items, adopts full digital computer control and manual simple control, automatic control mode only needs to set the corresponding test parameters, the system automatically performs boosting, holding pressure, pressure reduction to the set value, data acquisition adopts imported high frequency pressure transmitter for sampling, and frequency of sampling is not less than 1000HZ, effectively guarantees stable system performance, accurate test pressure, good repeatability, simple operation, and other characteristics. The test boost curve, real-time pressure value, boost time, and dwell time are displayed directly on the indicator.

4. Technical parameters

Maximum hydraulic pressure range: 260Mpa

Hydraulic boost rate: 0~100MPa/min

Maximum pneumatic pressure range: 40MPa

Pneumatic boost rate: 0~5MPa/min

Test interface: Hydraulic test: Interface (three gas-liquid booster pumps, one pressure outlet, automatically adjust the pipeline according to pressure)

Test interface: Airtightness test: The maximum output of the interface is 40MPa

Hydraulic test medium: Distilled water, purified water or potassium dichromate aqueous solution

Pneumatic test medium: ≤23MPa high purity compressed air or other high purity inert gas (provided by Party A)