Rexroth 4WRZE16W8

NegotiableUpdate on 05/17

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Nature of the Manufacturer: Producers

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Overview

The Rexroth 4WRZE16W8-125-7X/6EG24N9ETK31/F1D3V, REXROTH proportional valve is a device that converts input electrical signals into hydraulic system pressure, flow, or direction control in proportion, and is widely used in the industrial field.

Product Details

Rexroth 4WRZE16W8-125-7X/6EG24N9ETK31/F1D3V

Model segmentation	Interpretation of Meaning
4WRZE	Series identification: Rexroth electro-hydraulic proportional directional flow valve basic series "4"=4-way valve (P inlet, T return, A/B working oil port); WR "=directional flow control (Wegeventil+Regelung, directional valve+regulating function); ZE "=Proportional control with electrical position feedback (elektrich positionsgef ü hrte, with displacement sensor).
16	Main specification code: Valve diameter specification, corresponding to nominal diameter16 mm(Determine the maximum flow capacity of the valve).
W8	Oil port connection form: "W"=flange connection in accordance with DIN 24340 standard; 8 "=flange specification code (specific flange size should refer to DIN 24340 standard and be compatible with corresponding diameter oil pipes).
-125-	Rated flow parameters: at standard pressure (Δ p=10 bar), the valve'sThe rated flow rate is 125 L/minThe actual flow rate can be adjusted by a proportional electromagnet, with a maximum control flow limit of 125 L/min.
7X	Valve control accuracy/characteristic level: "7"=flow control accuracy level (Rexroth internal grading, level 7 is a conventional industrial grade accuracy that meets the needs of most automation scenarios); X "=No special additional design (such as no low-temperature adaptation, no anti-corrosion coating, etc.).
/6E	Valve core function (median function): "6"=valve core median function code, corresponding toO-type function(When in the neutral position, all four ports P, A, B, and T are fully closed, the actuator is locked, and the hydraulic system maintains pressure); The valve core is designed with precision grinding to reduce internal leakage and improve control stability.
G24	Proportional electromagnet supply voltage: "G"=DC voltage (Gleichspanung); 24 "=rated supply voltageDC 24 V(Low voltage commonly used in industry, high safety, suitable for most PLC outputs).
N9	Electromagnetic type and protection level: "N"=Non sparking electromagnetic (Ex nA explosion-proof level, suitable for non hazardous areas, some scenarios can replace ordinary explosion-proof); 9 "=Electromagnetic protection levelIP65(Dustproof, water-resistant, suitable for humid/dusty environments in industrial sites).
ET	Electrical connection method: "E"=plug type connection (with standard electrical plug, convenient for wiring and maintenance); The plug type is DIN 43650 standard plug (commonly used industrial connector, compatible with most controller signal outputs).
K31	Additional function: "K"=with Druckkompensator, realizingFlow is not affected by load pressure fluctuations(Core function! Ensure stable output flow and improve control accuracy when the load changes); 31 "=Specification code for pressure compensator (suitable for compensation range of 16 gauge valve, usually maximum compensation pressure ≤ 350 bar).
/F1	Filtering requirement: "F1"=The required system oil filtration accuracy isNAS Level 8(or ISO 18/15 level), it is necessary to match with corresponding precision return/suction filters to prevent impurities from wearing the valve core.
D3	Diagnosis and monitoring function: "D"=with diagnosis function (Diagnosis); 3 "=Diagnostic level code, supports real-time monitoring of electromagnetic current and valve core position feedback signals, and can read fault information (such as wire breakage and overcurrent) through the controller.
V	Special design: "V"=valve core with pre tensioned spring (Vorspanfeder), ensuring that the valve core can be reliably reset to the neutral position (O-type function) when power is cut off, improving system safety (preventing accidental action of executing components after power failure).

Proportional valve is a device that converts input electrical signals into hydraulic system pressure, flow or direction control in proportion, and is widely used in the industrial field. Here is a detailed introduction:

Product Features

High control accuracySupport proportional adjustment function, accurately control flow and pressure through electrical signals, and the error can be controlled within ≤± 2%.
Fast response speedThe response time is as low as milliseconds, with a typical value of 3-5ms, which can meet the requirements of high-speed switching.
Diverse driving structuresProvide three driving modes: direct action, step-by-step direct action, and indirect pilot action. Direct acting supports vacuum/negative pressure environments, step-by-step direct acting can work stably under high pressure (≥ 630 bar), while indirect pilot type has the advantages of low power consumption and small size.
Good protective performanceExplosion proof solenoid valves have passed ATEX/IECEx certification and are suitable for explosive gas environments; The waterproof and dustproof rating reaches IP65/IP67, and it can be used in harsh working conditions such as outdoor and high dust.

Product Type

Proportional directional valveIncluding various types such as direct acting and pilot operated. The 4WRA series is a direct acting proportional directional valve without electrical position feedback or integrated electronic components, with specifications of 6 and 10, and a maximum working pressure of 315 bar; The 4WRZ series is a pilot operated proportional directional valve without electrical position feedback or integrated electronic components, with specifications of 10, 16, 25, 32, 52, and a maximum working pressure of 350 bar.
Proportional pressure control valveThere are direct acting and pilot operated proportional relief valves, etc. For example, the DBTTA series is a proportional pressure limiting valve controlled by pressure, directly controlled, with integrated electronic components, specifications of 6, and a maximum working pressure of 500 bar; The DBEBE series is a pilot operated proportional relief valve with integrated electronic components and position feedback, available in sizes 6 and 10, with a maximum working pressure of 315 bar.

application field

Industrial AutomationOn the factory automation production line, proportional valves are used to control the movement of hydraulic cylinders and hydraulic motors, achieving precise industrial process control.
Machine tool industryIn machine tool processing, proportional valves can achieve high-speed cutting, precision machining, and complex contour cutting, significantly improving production efficiency and product quality.
Metallurgical industryIn metallurgical equipment, proportional valves are used to control key indicators such as steel temperature and oxygen content, ensuring the stability of the production process and product quality.
automotive industryIn automobile manufacturing, proportional valves are used to control brake pressure, regulate the force and sensitivity of vehicle braking.
construction machineryIn construction machinery such as excavators and loaders, proportional valves can achieve flexible motion control, ensuring the stability and efficiency of the equipment under complex working conditions.

Rexroth 4WRZE16W8-125-7X/6EG24N9ETK31/F1D3V