　　ZNRH-B adopts closed oil tank design, which is especially suitable for harsh working conditions in dusty environment and poor oil return. The thin oil lubrication equipment is a device that circulates and feeds thin oil lubricating medium. This equipment supplies the medium to the equipment. Lubrication point (friction pair with relative motion), after lubricating and cooling the lubricating point, it returns to the oil tank of the equipment for the next cycle. It is suitable for the cyclic pressure lubrication of the reducer of the roller press in the building material industry.

Model	ZNRH-B1	ZNRH-B2	ZNRH-B3
Oil viscosity	ISO VG22~320
Oil supply pressure MPa	0.4
Oil supply flow L／min	100~130	150~210	220~300
Filtration accuracy μm	100
Cooling capacity	The temperature drop is about 10°C (industrial cooling water, 30°C, 2 times the oil supply flow rate, 0.2～0.4MPa)
Fuel tank volume m³	0.6	1.0	1.5
Heating capacity	About 5℃/h (at rest)
Electric	PLC, touch screen control

None

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Thin oil lubrication

　　 When the friction surface of the mechanical motion pair is in relative motion, because the surface directly contacts and generates frictional resistance, a part of the energy transferred by the machine is consumed by the friction and the surface heats up, and the parts are worn at the same time.

　　 Thin oil lubrication is to force the lubricating oil to the friction part of the machine to form a lubricating agent film that can withstand part or all of the load on the friction surface, and separate the friction surfaces of the two moving pairs to make the friction between the metal and the metal. It is converted into internal friction between oil film molecules with lower shear strength.

　　 Thin oil lubrication mainly plays the following important roles in the normal operation and maintenance of mechanical equipment: 1) reduce wear, 2) cool down, 3) wash and clean, 4) prevent corrosion, 5) save energy and reduce consumption.

　　 Thin oil lubrication is mainly used for the lubrication of reducers, dynamic and static pressure or sliding shoe bearings of mechanical equipment such as electric power, metallurgy, petrochemical, cement, etc.