Excavator-specific Hydraulic System Solutions
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Throttle valve is the one of the most simple and widely used as flow control valve, it is often equipped with pressure relief vale to compose a variety of throttle speed adjustment hydraulic circuit or system for fixed position pump oil supplying. According to different ways of manipulating the throttle valves, this valve can be divided into
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Extremely versatile and reliable valve for use in the pilot system of your excavator. Proportional capability gives precise control that will be appreciated when operating thumbs, shears, or rotation circuits. This double-acting valve also works well on single-acting circuits as well. Features include
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The service valve circuit comprises a confluence valve 17 for performing electromagnetic proportional flow rate control, disposed in a confluence circuit 16 in communication with the section between inflow circuits 3F and 3R of two variable pumps 2F and 2R, an electrical switch 21 for switching the confluence valve 17 on or off according to a
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Excavator. 2 304 CR Mini Hydraulic Excavator Boom confluence valve combines pump flows for faster lift speed Double element air filter Dozer blade with float function Floor mat Gauges/indicators for fuel, engine oil pressure and coolant temperature, air cleaner, alternator and
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valve installation not bleed completely As 5 B As 6 A 1 & 2 3. excessive length of undamped remote control line 4. unsuitable remote control valve D Power Take-off either does not turn at all, or - too Slowly (insufficient or no delivery flow) As 1 A 1 thru 7 As 2 A 1. internal leakage due to wear 2. pump defective 3. inlet and return
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The main system uses the total power variable pump control, the main and auxiliary winch double pump confluence can be selected for high-speed operation improve the operational efficiency of hydraulic crawler crane. Valves of hydraulic crawler crane are imported …
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1WFL*-F series diverter valve is a one-way stable and constant valve. The main functions of this valve is to give priority to stable oil output of port B. It can also adjust the function of confluence to improve operation speed and to save energy in accordance with the requirements of the system.
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XCMG 26 Ton Hydraulic RC Excavator Xe265c Chinese Excavator US $85,000-100,000 / Piece XCMG Official 3.5 Ton Mini Excavator Xe35u Price
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integrated on the multi-way control valve and mono-block design for minimum the pressure loss in the flow pass, the power consumption of the excavator can be reduced. The double pump design for the main pump provides advantages as overall e directly installed with the help of the flange to save installation time and the whole set of components
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8-ton excavator Features. Domestic famous brand engine, strong power, to meet the requirements of efficient operation. The high-end configuration: double pump confluence, full hydraulic pilot, 360-degree rotation, imported tubing, imported variable piston pump, main valve, imported rotary assembly, imported walking assembly, with a broken oil system, to ensure the quality of products.
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The M5X series is an extremely compact fixed displacement swash plate type axial piston motor with built-in parking brake designed for the swing function of excavators, cranes and other construction machinery. > 80, 130, 180 and 250cc displacements. > 330 bar continuous pressure rating. > Built in anti-shock and deceleration valves.
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Jul 31, 2020 · The Basic Structure Of Hitachi Excavator Hydraulic System Jul 31, 2020. At present, the 20-ton Hitachi excavator uses a dual-circuit constant power control hydraulic system with four operation control modes, which can realize electrical control and hydraulic control. Double pumps are controlled according to the full power variable.
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Roll over image to zoom in. Click to open expanded view. $ 49.95. Status: In stock. Factory Repair Manual For Caterpillar 312B, 312BL Excavator. Illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups. 01234567890123456789.
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Confluence valve circuit of a hydraulic excavator
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The field test results show that existing double-pump confluence hydraulic system with constant displacement pump of wheel loader could only save some energy while the load pressure is rather high (>15Mpa in the tests). However, the load pressure is usually low, especially when the wheel Loader is working on bulldozing operation or just steering and running.
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The front pump and the rear pump control the left and right side of the excavator to walk in one walk to supply oil for the walking motor; the big arm cylinder is a double pump confluent, the middle arm and the middle arm (the bucket cylinder) are the two pump confluence, and the bucket and rotation are one of the pumps in the front and back
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MINI EXCAVATOR I RLD-10. The four-pump constant power control mode is adopted to realize the perfect matching between hydraulic system and engine, reduce the fuel consumption, and improve the efficiency and the double-pump confluence technology is applied for the boom and arm to realize high motion speeds and stable and efficient operations
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Extremely versatile and reliable valve for use in the pilot system of your excavator. Proportional capability gives precise control that will be appreciated when operating thumbs, shears, or rotation circuits. This double-acting valve also works well on single-acting circuits as well. Features include
Learn MoreDouble pump confluence technology: increase the main valve supply of the arm, bucket, bucket and cylinder of the flow of each oil cylinder to improve the speed of operation. Durable high reliability The design of the cross section shape of the improved caterpillar frame reduces the soil accumulation and makes the sprocket less easy to wear and
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