4WRKE Series Pilot Operated Proportional Directional Hydraulic Valve

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Mail:sales@hydraulic-cylinders.net

Fabrikant leverancier exporteur van hydraulische cilinders.

4WRKE Series Pilot Operated Proportional Directional Hydraulic Valve

The 4WRKE series pilot-operated proportional directional hydraulic valve is a cutting-edge hydraulic component designed to provide superior precision, control, and efficiency in hydraulic systems. With its advanced pilot-operated proportional control technology, this valve enables accurate flow regulation and seamless directional changes.

The 4WRKE series pilot-operated proportional directional hydraulic valve empowers hydraulic systems with precise flow control, versatile directional changes, and energy efficiency. Its pilot-operated proportional control technology ensures accurate and responsive flow adjustment, while the high flow capacity guarantees reliable performance even in demanding applications. By following the recommended usage methods and maintenance guidelines, you can maximize the benefits and longevity of the 4WRKE series valve, elevating your hydraulic system to new levels of precision and control. Upgrade your hydraulic setup today and experience the power of the 4wrke series pilot-operated proportional directional hydraulic valve.

4WRKE Series Pilot Operated Proportional Directional Hydraulic Valve Key Characteristics:

  1. Pilot-Operated Proportional Control
  • The 4WRKE series valve utilizes pilot-operated proportional control technology, allowing precise and proportional flow adjustment based on control signals.
  • This feature ensures accurate and responsive control, resulting in improved system performance, reduced energy consumption, and enhanced productivity.
  1. Versatile Directional Control
  • This valve offers versatile control over hydraulic fluid direction, making it suitable for a wide range of applications.
  • It enables seamless activation and deactivation of hydraulic components such as cylinders, motors, and actuators in different directions, enhancing system flexibility and adaptability.
  1. High Flow Capacity
  • The 4WRKE series valve is engineered to handle high flow rates, making it ideal for applications that require substantial hydraulic power.
  • Its robust construction ensures reliable performance even under demanding conditions, providing consistent and efficient flow control.
  1. Energie-efficiëntie
  • By incorporating pilot-operated proportional control, this valve minimizes pressure drops and optimizes energy usage.
  • It helps reduce energy consumption, resulting in cost savings and environmental benefits.

4WRKE Series Pilot Operated Proportional Directional Hydraulic Valve Parameter:

Algemeen
Maat 10 16 25 27 32 35
Installation and commissioning guidelines optioneel, bij voorkeur horizontaal
Storage temperature range – 20  to + 80
Omgevingstemperatuurbereik -20  to + 50
Gewicht kg 8.7 11.2 16.8 20 37.2 72
Hydraulisch ( measured at p=100bar,with HLP46 at ϑoil =40℃ ±5℃)
Bedrijfsdruk -Pilot control valve Pilot oil supply bar 25  to 315
-Main valve Port  P A B bar Up to 315 Up to 350 Up to 350 Up to 210 Up to 350 Up to 350
Return pressure Poort T

(Pilot oil drain)

Internal bar Static < 10
External bar Up to 315 Up to 250 Up to 250 Up to 210 Up to 250 Up to 250
Haven Y bar Static < 10
Nominal flow qVnom ±10% at Δp=10bar
(Δp = valve pressure differential)
L/min 25        50 –        125 –        220 –        – –        440
100 180 350 500 600 1000
Flow of main valve (max. permissible) L/min 170 460 870 1000 1600 3000
Pilot oil flow at port X or Y with a step form of input signal from 0 to 100 % (315 bar) L/min 4.1 8.5 11.7 11.7 13 13
Drukvloeistof Mineral oil(HL,HLP)to DIN 51 524 Phosphate ester (HFD-R)
Vloeistoftemperatuurbereik 10 to 80, preferably 40 to 50
Viscositeitsbereik mm2/S 20 to 380, preferably 30 to 45
Mate van verontreiniging Maximum permissible degree of contamination: NAS 1638. A filter with a minimum retention rate of βx = 75 is recommended
Pilot control valve Class 7 x = 5
Main valve Class 9 x = 7
Hysterese % ≤1
Responsgevoeligheid % ≤0,5
Elektrisch
Spanningstype gelijkstroom
Elektrische aansluiting Plug-in connector to DIN EN175 201-804
Power, max. W 72 (average = 24W)
Control electronics Integrated into the valve

4WRKE Series Pilot Operated Proportional Directional Hydraulic Valve Advantages:

• Pilot-operated two-stage proportional directional valve with electrical position feedback of the main spool, used to control the size and direction of the liquid flow
• Sub-plate mounting type connection structure, connection size conforms to ISO 4401 standard
• Spring centred main spool
• With integrated proportional amplifier
• The pilot control is a single-stage proportional directional valve
• The pilot valve is a threaded proportional solenoid, and the coil can be disassembled separately

Usage Method Of 4WRKE Series Pilot Operated Proportional Directional Hydraulic Valve:

  1. System Evaluation
  • Evaluate your hydraulic system and identify the specific flow and directional control requirements.
  • Determine if the 4WRKE Series Valve is suitable based on its flow capacity, pressure rating, and compatibility with your system.
  1. Valve Selection
  • Select the appropriate variant of the 4WRKE Series Valve based on your system parameters, flow requirements, and directional control needs.
  • Consider factors such as maximum flow rate, pressure rating, response time, and operational conditions.
  1. Installatie
  • Follow the manufacturer’s installation instructions carefully, ensuring proper alignment and secure mounting of the valve.
  • Make leak-free connections and ensure the correct flow direction alignment to guarantee optimal performance.
  1. Control Signal Connection
  • Sluit de stuursignaaldraden van de klep aan op een geschikt regelapparaat, zoals een proportionele versterker of elektronische regeleenheid.
  • Ensure proper wiring and compatibility between the valve and the control device for accurate and responsive control.

How To Clean Hydraulic Valve Lifters?

Cleaning hydraulic valve lifters is an important maintenance task that helps ensure proper engine performance and reduce noise caused by dirt or debris buildup. Here’s a step-by-step guide on how to clean hydraulic valve lifters:

  1. Verzamel de benodigde gereedschappen en materialen:
    • New engine oil
    • Schone doeken of handdoeken
    • Engine degreaser or parts cleaner
    • Small brush or toothbrush
    • Plastic container or tray
  2. Voorbereiding:
    • Allow the engine to cool down completely before starting the cleaning process.
    • Remove the valve cover or covers to access the hydraulic valve lifters. Refer to the manufacturer’s instructions or a repair manual for your specific engine to locate and remove the valve cover(s) properly.
  3. Removal of Hydraulic Valve Lifters:
    • Identify the hydraulic valve lifters in the engine.
    • One at a time, carefully remove the hydraulic valve lifters from their respective locations. Depending on your engine, you may need to remove other components or parts to access the lifters.
    • Place each lifter in a plastic container or tray in the order they were removed. This will help ensure they are reinstalled correctly later.
  4. Cleaning the Lifters:
    • Pour a small amount of engine degreaser or parts cleaner into a container.
    • Place one hydraulic valve lifter into the container, ensuring it is fully submerged in the cleaner.
    • Allow the lifter to soak for the recommended duration specified by the cleaner manufacturer. This usually ranges from 15 minutes to an hour.
    • Use a small brush or toothbrush to gently scrub the lifter’s exterior surfaces, removing any deposits or dirt.
    • Rinse the lifter thoroughly with clean water to remove any remaining cleaner or debris.
    • Dry the lifter using a clean rag or towel. Ensure there are no traces of moisture before reinstallation.
  5. Reinstallation:
    • Apply a small amount of fresh engine oil to the cleaned lifter’s exterior surface.
    • Carefully place the lifter back into its original position in the engine, ensuring it is properly aligned and seated.
    • Repeat the cleaning process for each hydraulic valve lifter, following the same steps.
    • Once all the lifters are cleaned and reinstalled, make sure they are secured properly.
  6. Hermontage:
    • Reinstall the valve cover(s) according to the manufacturer’s instructions.
    • Double-check that all components and parts are properly secured and tightened.
  7. Test and Inspection:
    • Start the engine and let it run for a few minutes to ensure proper operation and to allow the lifters to refill with oil.
    • Listen for any abnormal noises or ticking sounds that could indicate further issues.
    • If noise or performance problems persist, it may be necessary to consult a professional mechanic for further diagnosis and repair.

Vermogen en capaciteit van de fabriek:

(1) Montage

We beschikken over een eersteklas, onafhankelijk R&D-platform voor assemblage. De productiewerkplaats voor hydraulische cilinders beschikt over vier semi-automatische hefcilinderassemblagelijnen en één automatische kantelcilinderassemblagelijn, met een geplande jaarlijkse productiecapaciteit van 1 miljoen stuks. De speciale cilinderwerkplaats is uitgerust met diverse specificaties van een semi-automatisch reinigingsassemblagesysteem met een geplande jaarlijkse productiecapaciteit van 200.000 stuks en is uitgerust met gerenommeerde CNC-bewerkingsapparatuur, een bewerkingscentrum, een zeer nauwkeurige cilinderbewerkingsapparatuur, een robotlasmachine, een automatische reinigingsmachine, een automatische cilinderassemblagemachine en een automatische verfproductielijn. De bestaande kritische apparatuur bestaat uit meer dan 300 sets. De optimale toewijzing en het efficiënte gebruik van apparatuur garanderen de nauwkeurigheidseisen van producten en voldoen aan de hoge kwaliteitseisen.

(2) Bewerking

De bewerkingsruimte is uitgerust met een op maat gemaakt schuin rails draaicentrum, bewerkingscentrum, hogesnelheids hoonmachine, lasrobot en andere bijbehorende apparatuur, die de bewerking van cilinderbuizen met een maximale binnendiameter van 400 mm en een maximale lengte van 6 meter aankan.

(3) Lassen

(4) Schilderen en coaten

Met kleine en middelgrote automatische cilindercoatinglijnen voor watergedragen verf, om automatisch laden en lossen door robots en automatisch spuiten te bereiken, is de ontwerpcapaciteit 4000 stuks per ploegendienst;
Ook beschikken wij over een semi-automatische verfproductielijn voor grote cilinders, aangedreven door een kabelrups, met een ontwerpcapaciteit van 60 dozen per ploeg.

(5) Testen

Wij beschikken over eersteklas inspectiefaciliteiten en testbanken om te garanderen dat de prestaties van de cilinder aan de eisen voldoen.

 

 

Wij zijn een van de beste fabrikanten van hydraulische cilinders. We bieden een compleet assortiment hydraulische cilinders. Ook leveren we bijbehorende onderdelen. landbouwversnellingsbakkenWe hebben onze producten wereldwijd geëxporteerd en een goede reputatie opgebouwd dankzij onze superieure productkwaliteit en aftersalesservice. We nodigen klanten in binnen- en buitenland uit om contact met ons op te nemen om zaken te doen, informatie uit te wisselen en werk met ons samen!

 

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