Excavator Network Forum

  • MCV (Main Control Valve) | Kum A Powertech Co., Ltd.

    MCV (Main Control Valve) Technology Innovation. Technological innovation creates values. Main control valves are core elements necessary for the operation of excavators. Piston pumps that form the oil pressure using engine power and main control valves convey the oil pressure to each part. After this, the main control valves which are hydraulic

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  • Hydraulic Closed-Center System | Hydraulic Valve

    excavator, using a solenoid valve, compensator, needle valve and relief valve. It has a maximum inlet flow of 180 lpm/47 gpm and a working pressure of 250 bar/3,625 psi. AUXILIARY FUNCTIONS HAMMER VALVE FOR BREAKER Excavators, especially the compact mini- and midi-sized models, can do much more than earth-moving and excavation.

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  • Rotary Diverter Valves - Summit Hydraulics

    Rotary Diverter Valves. Hydraulic Rotary Diverter Valve, 4 Way, Open Center, 24 GPM, #10 SAE Ports. MSRP: $ 69.95. $ 61.75. Buy in monthly payments with Affirm on orders over $50. Learn more. Rotary Diverter Valves. Hydraulic Rotary Diverter Valve, 6 Port, 16 GPM, #8 SAE Ports. MSRP: $ 149.95.

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  • Diverter valve for mini excavator - TractorByNet

    Final Drive Solutions (FDS) provides Korean No. 1 Total Solutions of Excavator Main Relief Valve & Valve Assy . 1. FDS supply Genuine Quality Excavator Main Relief Valve & Valve Assy by OEM Technology. 2. Final Drive Solutions provide same warranty of Genuine Excavator Main Relief Valve & Valve Assy . 3.

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  • Hydraulic Valve Troubleshooting | Hydraulic Valve

    • Spool valve's position is adjusted improperly. Consider the following when troubleshooting directional-control valves because the oil heats (closed-center systems): • Valve seat leaks (pressure or return circuit). • Valves are not adjusted properly. c. Volume-Control Valves. Volume-control valves include flow-control and flow-divider

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  • Common Control Valve Problems | Basic Principles of

    Valve #3, by contrast, has very little pressure recovery, and a large (F_L) value (nearly equal to 1). From the perspective of avoiding flashing, it is the best of the three valves to use for liquid service. The style of valve (ball, butterfly, globe, etc.) is very influential on pressure recovery factor.

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  • Priority Flow Valves and Why They're Needed usually placed

    valves, when not activated, allow full unrestricted oil flow to the excavator valves as before. Figure 4 . When activated, priority flow valves take oil before the excavator valves (thus "it's got priority"). The amount of oil taken can be from 0 to 85% of the total output of the excavator hydraulics and is

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  • China Excavator Control Valve, China Excavator Control

    China Excavator Control Valve, China Excavator Control Valve Suppliers and Manufacturers Directory - Source a Large Selection of Excavator Control Valve Products at control valve,fisher control valve,hydraulic directional control valves from China Alibaba.com

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  • US20100000211A1 - Hydraulic control circuit for excavator

    A hydraulic circuit for an excavator is provided, which includes first to third hydraulic pumps, a first traveling control valve and a first boom control valve successively installed along a first center bypass line from a downstream side of the first hydraulic pump, a second traveling control valve and a second boom control valve successively installed along a second center bypass line from a

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  • What Are Hydraulic Valves | Type Of Hydraulic Valves

    Parts Road Co. stock Almost all ranges of Korean Excavator Main Control Valve.Those are Hyundai Main Control Valve, Doosan Main Control Valve and Volvo Main Control Valve. Expert Any type of Excavator Main Control Valve, Main Relief Valve & Overload Relief Valve are welcomed. Used and Reconditioned FDS another solution is Used and Reconditioned Main Control Valve (MCV) for Hyundai, Doosan and …

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  • Hydraulic Closed-Center System | Hydraulic Valve

    Hydraulic Closed-Center System. In this system, a pump can rest when the oil is not required to operate a function. This means that a control valve is closed in the center, stopping the flow of the oil from the pump. Figure 2-7, shows a closed-center system. To operate several functions simultaneously, a closed-center system have the following

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  • Excavator Control Valves | VI Equipment

    We can supply new or rebuilt excavator control valves, or used excavator control valves for most models of Cat excavators, Deere excavators and Hitachi excavators. We have a large stock of excavator components for Cat, Deere and Hitachi excavators, including control valves, so please contact us for a quote today. We also ship our excavator control valves worldwide with affordable rates.

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  • Mini Excavators - HydraForce

    An EP valve can be used to reduce the overshoot spike in a closed center load-sensing system by popping open momentarily, allowing the hydraulic pump time to de-stroke when needed. Proportional Relief. A proportional relief valve system can be a great relief for …

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  • Kefid11 Excavator solenoid valve used for PC200-8

    Quality Kefid11 Excavator solenoid valve used for PC200-8 pressure switch /sensor - find quality Electric parts, Construction Machinery Parts & Electric parts from Beijing HotdoipTrading Co., Ltd. of China Suppliers - 168492867.

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  • Hydraulic Spool Valve Diagram - Valves Spool Diagram

    Before selecting hydraulic directional spool valves, it must be sure to choose appropriate spool valve in neutral position as per requirements of hydraulic system. For example: 1. Design pressure unloading circuit by spool function in neutral position to achieve energy savings. When H, F and G spool type in neutral position of 4way, 3postion directional spool valve, the oil fluid from pump

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  • 4TNE94 4TNV94 Engine Valve Parts Yanmar Excavator Valve IN

    High quality 4TNE94 4TNV94 Engine Valve Parts Yanmar Excavator Valve IN Valve EX from China, China's leading 4TNV94 Engine Valve Parts product, with strict quality control 4TNE94 Engine Valve Parts factories, producing high quality 4TNE94 Engine Valve Parts products.

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  • 9239583 Pilot Valve 9268375 For Hitachi Excavator

    9239583 Pilot Valve 9268375 For Hitachi Excavator How long will it take to ship out my order?Usually within 24 hours after confirming payment.

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  • Electrohydraulic Control Solutions For Ecaaor

    excavator, using a solenoid valve, compensator, needle valve and relief valve. It has a maximum inlet flow of 180 lpm/47 gpm and a working pressure of 250 bar/3,625 psi. AUXILIARY FUNCTIONS HAMMER VALVE FOR BREAKER Excavators, especially the compact mini- and midi-sized models, can do much more than earth-moving and excavation.

    Learn More
  • Excavator Valve | Excavator Control Valves, Replacement …

    EXCAVATOR CONTROL VALVE PRODUCTS. Excavator valves supplied by Finotek is cartridge type, hydraulic control, pressure relief valve, manufactured for repairing used excavators, as excavator parts, which is to repair used Hitachi excavators; used …

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  • Main Control Valve | Excavator Final Drive Solutions

    Hydraulic Closed-Center System | Hydraulic Valve

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