German VIVOLO valves VIVOLO models VIVOLO prices

VIVOLO valves use liquid as the working medium to transmit energy and perform control. Hydraulic transmission and pneumatic transmission are collectively referred to as fluid power transmission. This is an emerging technology developed based on the principle of hydrostatic pressure transmission proposed by Pascal in the 17th century, and it is widely used in industrial and agricultural production.

VIVOLO valve advantages

Hydraulic transmission has many outstanding advantages, so its application is very extensive, such as plastic processing machinery, pressure machinery, and machine tools for general industry; construction machinery, building machinery, agricultural machinery, and automobiles in mobile machinery; metallurgical machinery, lifting devices, and roll adjustment devices for the steel industry; flood gates, dam devices, riverbed lifting devices, and bridge operating mechanisms for civil and hydraulic engineering; turbine speed control devices for power plants; deck cranes, bow doors, bulkhead valves, and stern thrusters for ships; control devices, measuring buoys, and lifting/rotating stages for special technologies; artillery operating devices, ship stabilizers, flight simulators, landing gear retraction/extension devices, and rudder control devices for the military industry.

VIVOLO valve daily maintenance

1) Pay attention to the valve storage environment; it should be stored in a dry and ventilated indoor area, with both ends of the flow path blocked. 2) Valves should be inspected regularly, cleaned of dirt, and coated with anti-rust oil on their surfaces. 3) Valves that have been installed and applied should undergo regular maintenance to ensure normal operation. 4) Check whether the valve sealing surface is worn, and repair or replace it according to the condition. 5) Check the wear condition of the trapezoidal threads on the valve stem and valve stem nut, and whether the packing is outdated or failed, and perform necessary replacements. 6) Test the sealing performance of the valve to ensure its performance. 7) Valves in operation should be in good condition, with complete bolts on flanges and supports, undamaged threads, and no looseness. 8) If the handwheel is lost, it should be replaced promptly; do not use an adjustable wrench as a substitute. 9) The packing gland must not be skewed or lack pre-tightening clearance. 10) If the valve operating environment is harsh and prone to contamination by rain, snow, dust, sand, etc., a protective cover should be installed on the valve stem. 11) The scale on the valve should remain complete, accurate, and clear; check the valve lead seal and cap. 12) The insulation jacket should have no dents or cracks. 13) For valves in operation, avoid knocking on them or supporting heavy weights on them.

VIVOLO valve application and maintenance

Over time, hydraulic valves will inevitably experience some failures, which involves the maintenance of hydraulic valves. In actual production, maintenance of hydraulic valves mainly involves timely cleaning, selective assembly of some parts, and dimensional repair. Oil fluid in the channels of hydraulic valves can easily precipitate, causing unnecessary failures. Therefore, we must clean them promptly by disassembling and washing the hydraulic valve to restore its function. Safety must be observed during cleaning; many sediments are difficult to clean and require cleaning fluids, which are often corrosive, toxic, or even flammable, so caution is essential. Parts cleaned must be properly stored to prevent further corrosion. After cleaning and installation, the hydraulic valve can continue to operate after testing. If some parts of the hydraulic valve are severely damaged, selective reassembly is generally chosen. Maintenance by specialized and experienced personnel will greatly extend the service life of the hydraulic valve, maintaining its reliability and performance at original levels. Nevertheless, vigilance is required in daily production to prevent accidental accidents.

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