Core Tip: Manual proportional multi-way reversing valve MHV-32 manual proportional valve, maximum flow 800L / min maximum pressure 430bar, suitable for engineering machinery, mining, metallurgy, shipbuilding, medicine and other industries, is load-sensitive variable ratio with pressure compensation To the multi-way valve, the maximum working pressure is 420 bar, and the maximum flow rate of the single piece is 380 l/min.

Usually, the working valve plates are arranged in groups, and the inlet valve block has a built-in three-way pressure compensation bypass relief valve (logic element. When the multi-valve is inactive and the valves are in the neutral position, the valve compensates the pressure (6). -·12BAR) bypass main oil flow. When a valve is working, the valve is reduced by the load pressure, and the multi-way valve provides the required flow according to the load pressure.

Load sensing shuttle valve:

The load sensing shuttle valve transmits the load pressure of each working valve to the pressure compensated bypass relief valve of the inlet valve block.

Multi-way valve

Two-way pressure compensation differential pressure reducing valve: When multiple working piece valves work at the same time, the load pressure is transmitted to the spring side of the valve. At this time, the pressure difference between the throttle ports is automatically adjusted by the negative feedback action of the valve core, so that it remains substantially unchanged. The flow rate of each valve is kept constant under its action and is not affected by load changes.

Mechanical design, machining, design software, mechanical engineers, equipment management, welding, hydraulics, forging, sealing, measuring, engineering machinery, powder metallurgy, bearings, gears, pump valves, industrial automation safety relief valves:

Usually used for working body limit protection, such as luffing cylinder electromagnetic spill valve:

For over-limit protection of working mechanisms, such as: torque limit of cranes, three-turn protection, etc.

Proportional pressure reducing valve:

Located on the opposite side of the working valve hand lever, it is a direct-acting proportional pressure reducing valve, and the sliding valve is driven to achieve proportional reversal. Note: the proportional commutation of the direct-acting proportional pressure reducing valve is relative to the manual proportional commutation, and the micro-thin can Not good, if it is used for applications with high flow control accuracy, the working valve plate with proportional servo drive configuration should be used. REXROTH, BUCHER, DELTA POWER, SAUER-DANFOSS have servo-driven proportional multi-way valves.

Concerned about surprises

Label: Brief description of the principle of multi-way valve

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