Germany Merwede valve Merwede model Merwede price

Merwede 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.

Merwede valve advantages

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

Merwede valve daily maintenance

1) The storage environment for valves requires attention; they should be stored in a dry, ventilated indoor area, with both ends of the flow passage blocked. 2) Valves should be inspected regularly to remove dirt and apply anti-rust oil to their surfaces. 3) Valves that have been installed and put into service should undergo regular maintenance to ensure proper operation. 4) Inspect the valve sealing surfaces for wear and perform repairs or replacements as necessary. 5) Check the trapezoidal threads of the valve stem and stem nut for wear, and inspect the packing for obsolescence or failure, replacing components as necessary. 6) Test the sealing performance of the valve to ensure its integrity. 7) Valves in operation must be in good condition, with all bolts on flanges and supports present, threads undamaged, and no looseness. 8) If the handwheel is missing, it should be replaced promptly; do not substitute it with an adjustable wrench. 9) The packing gland must not be skewed and must have the specified preload clearance. 10) If the valve operating environment is harsh and prone to contamination by rain, snow, dust, or sand, a protective cover should be installed on the valve stem. 11) Scales on the valve must remain complete, accurate, and clear; check the valve lead seals and caps. 12) The insulation jacket must be free of dents and cracks. 13) Avoid striking valves in operation or using them to support heavy loads.

Merwede valve application and maintenance

As time goes by, hydraulic valves will inevitably experience some faults, which involves the maintenance of hydraulic valves. In actual production, the maintenance of hydraulic valves mainly involves timely cleaning, selective assembly of some parts, and dimensional repair. There is oil in the channels of hydraulic valves, and oil sedimentation can easily occur. These sediments can cause unnecessary faults in the hydraulic valve, so we must clean them in time. Disassemble and clean the hydraulic valve to restore its function in time. Pay attention to safety during cleaning. Many sediments are difficult to clean and require cleaning fluids. These cleaning fluids are generally corrosive or toxic, and some are even flammable, so caution is required. Properly store the cleaned parts 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 damaged and the damage is severe, re-assembly and selective matching are generally chosen. If the hydraulic valve is maintained by specialized and experienced personnel, its service life will be greatly increased, and its reliability and working performance will be maintained at the original level. Even so, we must remain vigilant in daily production to prevent accidental accidents.

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