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  • Caterpillar 307C Midi Excavator - RitchieSpecs

    Parallel offset boom (fully offset left)/Stick 5'6" (1665mm) Boom/Stick Option (Hex) 5 . I Max Cutting Height Hydraulic System Relief Valve Pressure. 4550 psi. Hydraulic Pump Flow Capacity. 17 gal/min. Swing Mechanism . Swing Torque. 10440 lb ft. 2005 CATERPILLAR 307C Midi Excavator (5 - 9.9 Tons) 4770 NORTH EAST, MD. 2005 CATERPILLAR

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  • CAT updates 340 UHD excavator, extends maximum vertical

    Nov 09, 2021 · Maintenance intervals are extended and more synchronized on the CAT 340 UHD Excavator to lower operating costs and reduce service time. Offering a 50% longer service life, the new hydraulic filter improves filtration and features a 3,000-hour change interval while anti-drain valves keep the oil clean during filter replacement.

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  • US20100000211A1 - Hydraulic control circuit for …

    On the other hand, a hydraulic circuit for an excavator according to another embodiment of the present invention includes first to third hydraulic pumps 301, 306, and 401; a first traveling control

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  • Feroy Co., Inc.: hydraulic, hydraulics, valve, -Openfos

    Flow in PSI 7 19 20 13 8 28 21 32 (s) 28 (p) 35 (s) 30 (p) 33 (s) 29 (p) 30 (s) 25 (p) * O Ring Boss CONTROL OPTIONS Option "O" Double hydraulic pilot.Requires a hydraulic pilotSELECTOR (SS) SERIES PARALLEL (SP) FEROY MODEL NUMBER Pressure Rating 3,000 6,000 3,000 3,000 6,000 GPM 70 100 150 40 70 100 100 70 100 150 40 Double Pilot (0) Pilot/Spring Offset (AFeroy Company - Manufacturers

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  • Excavators | Cat | Caterpillar

    Excavators. No matter what type of work you do - excavation, trenching, or truck loading - Cat® excavators deliver top performance, unmatched versatility, and excellent fuel efficiency. Simple operation, outstanding durability and the latest safety and technology …

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  • Hydraulic Excavator System Basic Circuit Chapter 5AZERCOM

    Dec 17, 2018 · Third, the parallel circuit is as shown in the figure below. When in the position shown, two hydraulic motors are connected in parallel. When the diverter valve 3 is switched to another position, the two motors are connected in series. The torque can be increased in parallel and the speed can be

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  • Modular and block control valves for excavator use

    Oct 07, 2021 · Modular and block control valves for excavator use. October 7, 2021 By Mary Gannon. Linde Hydraulics GmbH & Co. KG has introduced a new generation of control valves for use in wheeled excavators. The new valve block VW 22/18 M5-03 for the open circuit is characterized by its modular system, while the monoblock with five sections plus pressure

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  • Excavator Valve | Excavator Control Valves, Replacement Valves

    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 Kobelco excavators, used Cat–Caterpillar excavators, used Komatsu excavators, used HyunDai & Doosan excavators etc. Finotek excavator valves as excavator parts are mostly available

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  • Bucher Hydraulics Introduces the New Excavator Pipe

    Jul 23, 2020 · Bucher Hydraulics introduces the newly designed excavator pipe-rupture valve CFS-flat to the market. It is an innovative product range extension of the CFS-building block. Well-placed, tried and tested – the CFS technology is thus available in a flat design. The excavator pipe-rupture valve is used wherever so required by the standards ISO

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  • Excavator pipe-rupture valve has flat design

    Sep 04, 2020 · A balance valve for parallel applications; 2. Mechanical emergency lowering; and 3. Adjustable stroke limiter. Functions of the valve are as follows. In the neutral or rest position, the excavator pipe-rupture valve is held closed by a spring, which acts on the control spool, and by load pressure acting on the back of the control spool.

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  • CNC Multiplex Parallel Hydraulic Valve 1/2/4/5/6/7 CH with

    Cheap Parts & Accessories, Buy Quality Toys & Hobbies Directly from China Suppliers:CNC Multiplex Parallel Hydraulic Valve 1/2/4/5/6/7 CH with Servos for 1/12 Rc Excavator Loader Machinery Car Parts Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.

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  • JP2005098346A - Hydraulic system for hydraulic …

    SOLUTION: This hydraulic system for the hydraulic excavator includes: a first control valve CVL1 incorporating switching valves, except for swivel operation, of a closed center type connected in

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  • Excavator Pipe-Rupture Valve - Bucher Hydraulics

    This means that excavators with and without a materials handling function can be equipped with the same basic hy­ draulic system (the machine's work cycles remain the same). When the main spool valve is a closed­centre model and a secondary valve is connected in parallel, no pressure summing occurs. There is no need for a large­bore, external

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  • Nabtesco Corporation Power Control Company Website_Product

    This is the product information page of Nabtesco Corporation Power Control Company Website. Our high-quality products play important roles in not just excavators but also in other machinery. With great reputation and confidence from the market, our hydraulic motor units, control valves and pumps are widely adopted in construction and industrial machinery.

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  • EXCAVATOR AND CONTROL VALVE FOR EXCAVATOR - …

    Sep 19, 2018 · An excavator includes a hydraulic actuator driven by hydraulic oil discharged from a main pump to move a work element; a first control valve disposed in a center bypass pipeline; a second control valve disposed in a parallel pipeline; and a control device for …

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  • Main Points For Design Of Hydraulic Diagram Of Excavator

    May 26, 2020 · Main Points For Design Of Hydraulic Diagram Of Excavator Multi-way Valve May 26, 2020. 1. Pump-to-valve supply route. P1 straight-through oil supply channel: priority oil supply relationship supplies oil in the order of boom, bucket and walking, and the oil return is controlled by D valve.

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  • Excavator Attachments – Craig Manufacturing

    Excavator Snow Blade. Utilizing a unique design with bolt-on cheek plates and replaceable edges, the Craig Excavator Snow Blade is the ideal dozer style blade for your excavator to clear snow from the work site. Available in Wedge Lock, Pin-on, S Series, or Manual Bar Lock lugging. Bolt-on cheek plates standard.

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  • A Series Parallel Hydraulic Hybrid Mini Excavator with

    Parallel Hydraulic Hybrid Mini-Excavator with Displacement Controlled Actuators Rohit Hippalgaonkar * excavator with reduced engine power, showed 51% fuel savings over the standard excavator eliminates the use of throttling valves that are used in the current standard valve-controlled versions of these

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  • Optimal Control for a Parallel Hybrid Hydraulic Excavator

    Optimal control using particle swarm optimization (PSO) is put forward in a parallel hybrid hydraulic excavator (PHHE). A power-train mathematical model of PHHE is illustrated along with the analysis of components' parameters. Then, the optimal control problem is addressed, and PSO algorithm is introduced to deal with this nonlinear optimal problem which contains lots of inequality/equality

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  • Caterpillar Excavator Condenser Parallel Flow 235-8880

    Caterpillar Excavator Condenser Parallel Flow 235-8880 (1701213) $ 228.86. Caterpillar Excavator Condenser Parallel Flow 235-8880. In stock. SKU: 1701213 Category: Condensers. Description. Additional information. Description: CAT 311D 312D 315D …

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