FIELD: power mechanical engineering.
SUBSTANCE: hydraulic system comprises tank filled with fluid, pressure installation with electric pumps of low pressure for filling pipes with fluid and high pressure for pressure testing, pipelines for supplying and discharging fluid from pipe, pipelines for blowing pipes with air, and valving. The system also has instruments for measuring pressure and control of fluid supply and discharge.
EFFECT: expanded functional capabilities.
11 cl, 6 dwg
