EC290 EC290B Volvo Excavator Hydraulic Pump SA 7220-00601

  • Hydraulic Spool Valve Diagram - Valves Spool Diagram

    The G spool type is used for pump unloading and cylinder locked in hydraulic oil circuit. M -Type Features: In the neutral position, T port is closed, and P, A, B oil ports are connected. Functional characteristics: 1. Double pole & double-acting cylinder with equal diameter, both sides of cylinder piston keeps balance in hydraulic pressure

    Learn More
  • Eaton's Pump and Motor Products Catalog

    These double swash plate, opposed-piston, low-speed, high-torque hydraulic motors operate smoothly at low speed within the maximum ratings and cause very little torque ripple. Specifications Speed Range: Up to 1000 rpm Pressure Range: 248 and 276 bar (3600 and …

    Learn More
  • STC600S - SANY Group

    Double-axle drive is used, providing good trafficability and Hoisting system The adoption of pump and motor double variable speed control ensures high effi ciency Brakes system Air servo brakes are used for all wheels with dual-circuit brake system applied, engine is

    Learn More
  • HYDRAULIC CIRCUIT DESIGN AND ANALYSIS

    HYDRAULIC CIRCUIT DESIGN AND ANALYSIS A Hydraulic circuit is a group of components such as pumps, actuators, and control valves so arranged that they will perform a useful task. When analyzing or designing a hydraulic circuit, the following three important considerations must be taken into account: 1. Safety of operation 2.

    Learn More
  • Directional Control Valve Equipment for Front End …

    variable pump and in closed center system up to a pressure of 320 bar (4600 psi) and flow rates up to 80 (21USGpm). The CV432-S is a series valve option which can be used when series circuits are desired for various reasons. CV432 and 432-S Medium Size Loader Valve Design Max Pressure Setting Flow Range Leakage Rate Circuits Controls Accessories

    Learn More
  • VBM L120B 223 1960-9405 - Volvo Construction Equipment

    Pump: Variable flow axial piston pump, mounted to a power take-off on the transmission. Cylinders: Two double-acting cylinders with chrome plated piston Steering cylinders, no. Bore Rod diameter Stroke Relief pressure Steer pump output at pressure and engine speed mm mm mm MPa l/rnin MPa rps in in in psi US gpm psi rpm 80 50 440 21 97 36,7 3.2 2.0

    Learn More
  • PK 56502 High Performance | PALFINGER

    Loader Crane. PK 56502 High Performance. Solid and reliable crane power with proven High Performance qualities. This is how the PK 56502 presents itself to the market. Operators benefit from its efficient power to performance ratio and high slewing torque. Equipped with Power Link Plus, maintenance free extension system and functional design

    Learn More
  • Jcb 1cx Backhoe - New and Used Jcb 1cx Backhoe for sale

    Jcb 1CX models are historically listed by sellers in Backhoe, Mini Loader, Skid Steer Loaders and Wheel Loader categories. Jcb 1CX models make up % of historic Backhoe enquiries, and % of all Jcb enquiries. The most common years of Jcb 1CX manufacture listed are: 1997, 1996 and 2021. Buyers who enquired on Jcb 1CX models have also recently

    Learn More
  • level 4 hydraulics pt. 2 Flashcards | Chegg.com

    level 4 hydraulics pt. 2. if a positive-displacement motor is receiving a constant flow of oil, the motor will. A hydraulic circuit is delivering a fixed amount of flow to hydraulic motor. which of the following motor displacements will produce the fastest motor speed.

    Learn More
  • HYDRAULIC CIRCUIT DESIGN AND ANALYSIS

    HYDRAULIC CIRCUIT DESIGN AND ANALYSIS A Hydraulic circuit is a group of components such as pumps, actuators, and control valves so arranged that they will perform a useful task. When analyzing or designing a hydraulic circuit, the following three important considerations must be taken into account: 1. Safety of operation 2.

    Learn More
  • JCB 3CX, 2013, CHICHE, France - Used backhoe loaders

    JCB's flagship model, the JCB 3CX, is the benchmark for backhoe loaders. It is the best-selling product in the world. As the world leader in backhoe loader, JCB offers machines that deliver power, productivity, performance and durability, plus safety, reliability and serviceability. Used …

    Learn More
  • Hyundai Wheel Loader - Construction Equipment

    Variable-displacement piston pump, 246 ℓ/min (65 gpm) Control valve 2-spool (bucket, boom) 3-spool (bucket, boom, aux) System pressure 280 kgf/cm 2 (3,983 psi) Lift circuit Valve has four functions: raise, hold, lower and float Can adjust automatic kick-out from horizontal to full lift Tilt circuit Valve has three functions: tilt back, hold

    Learn More
  • Hydraulic Closed-Center System | Hydraulic Valve

    After this sequence, the pump rests. Moving the spool in the downward position directs oil to the top of the piston, moving the load downward. The oil from the bottom of the piston is sent into the return line. Figure 2-10, shows this closed-center system with a charging pump, which pumps oil from the reservoir to the variable-displacement pump.

    Learn More
  • LEU Schematics 21668222 04 1 w1 - Mack Trucks

    cb2 circuit breaker, hdlps. hi drl 15a a b cb3 circuit breaker park,tail marker lps. 15a a b cb4 circuit breaker turn lps, flasher 20a a b cb5 circuit breaker, tractor stop lps. 10a a b cb6 circuit breaker, dome courtesy lps. 10a a b cb7 circuit breaker, key sw. 10a a b cb9 cir. brkr., cb post 15a a b cb10 cir. brkr., diag. conn/ radio 5a a b

    Learn More
  • HL930A-1090-WL-SP

    Cylinder Double acting 2.4" X 1' 4"mm (2-60 X 412) Steering Angle 40°to both right and left angle, respectively Features Center-point frame articulation. Tilt and telescopic steering column. OVERVIEW Description Unit HL930A HL930A XT Operating weight kg 11,610 11,700 lb 25,595 25,795 Bucket capacity Heaped m3 1.90 1.90 yd3 2.50 2.50 Struck m3

    Learn More
  • Max. lifting capacity: 500 t at 3 m radius Max. height

    variable displacement pumps operating in a closed oil circuit for winches 1, 2, 3 and slewing gear; 2 servo-controlled double axial piston variable displacement pumps in an open oil circuit for luffing/telescoping; oil cooler within the hydraulic oil circuit Crane drive with proved components

    Learn More
  • US7104181B2 - Hydraulic control circuit for a hydraulic

    A hydraulic control circuit for a hydraulic cylinder is described for the raising and lowering of a boom on a telescopic loader. First and second chambers of the hydraulic cylinder are connected to a control valve over first and second supply lines and are selectively connected to either a hydraulic pressure source or to a hydraulic reservoir.

    Learn More
  • Wheel Loaders - HydraForce

    In the circuit below, a vented spool-type logic element (EV) controls the pressure provided by an open center gear pump to a series of four solenoid valves (SV). Loader Park Brake Circuit. Double blocking SV10-28 provides low leakage load holding to ensure park brake stays enabled.

    Learn More
  • ASV RT-50 | Our Newest Mid-Size, Posi-Track Compact Track

    The ASV RT-50 offers exceptional digging and pushing power from its Posi-Power system combined with a 50-horsepower class engine and high efficiency drive system. This smooth-running 3-cylinder diesel engine gives you the power you want, when you want it. And attachments are a breeze thanks to its efficient cooling system and robust hydraulic

    Learn More
  • Inverter ATV12 ATV212 ATV312 ATV320 ATV610 ATV630 | PT

    Mar 05, 2017 · Schneider electric variable speed drive ATV12 ATV212 ATV312 ATV320 ATV610 ATV630 ATV71 ATV12 variable speed drive ATV12 - 0.18kW - 0.25hp - 200..240V - 3ph The range Altivar 11 is replaced by the range Altivar 12. Variable speed drives for small machines with three-phase 240 V asynchronous motor 0.18 to 0.75 kW, 120 V single-phase…

    Learn More