Rexroth proportional valve 4WREE10W25-2X/G24K31 in stock

Brand

REXROTH/German Rexroth

Rexroth solenoid valves, Rexroth pumps, Rexroth valves, Rexroth amplifier boards, Rexroth relief valves, Rexroth vane pumps

Rexroth proportional valves can control flow in two ways:

One is on/off control: either fully open or fully closed, the flow is either at its maximum or minimum, with no intermediate state, such as ordinary solenoid straight-through valves, solenoid directional valves, and electro-hydraulic directional valves.

The other is continuous control: the valve port can open to any degree as needed, thereby controlling the flow rate. These valves can be manually controlled, such as throttle valves, or electrically controlled, such as proportional valves and servo valves.

Therefore, the purpose of using proportional valves or servo valves is to achieve throttling control of flow rate through electrical control (of course, pressure control can also be achieved through structural modifications). Since it is throttling control, there is inevitably energy loss. Servo valves differ from other valves in that their energy loss is greater because they require a certain flow rate to maintain the operation of the pre-stage control circuit.

Features of Rexroth Proportional Valves:

1) Enables stepless adjustment of pressure and speed, avoiding the shock phenomenon during switching of normally open on/off valves.

2) Enables remote and program control.

3) Simplifies the system and greatly reduces the number of components compared to intermittent control.

4) Compared to hydraulic proportional valves, it is smaller, lighter, simpler in structure, and lower in cost, but its response speed is much slower and it is more sensitive to load changes.

5) Low power consumption, low heat generation, and low noise.

6) Does not cause fires and does not pollute the environment. It is less affected by temperature changes.

When the input signal of the Rexroth proportional valve increases, the pilot valve 1 of the supply solenoid valve switches, while the exhaust solenoid pilot valve 7 is in the reset state. The supply pressure enters the pilot chamber 5 from the SUP port through valve 1. The pilot chamber pressure rises, and the air pressure acts on the diaphragm 2, opening the supply valve core 4 connected to the diaphragm 2 and closing the exhaust valve core 3, generating output pressure. This output pressure is fed back to the control loop 8 via pressure sensor 6. Here, it is quickly compared and corrected with the target value until the output pressure is proportional to the input signal, thus demonstrating that the output pressure changes proportionally to the change in the input signal. Because there is no nozzle-baffle mechanism, the valve is insensitive to impurities and has high reliability.

Rexroth 2-way and 3-way 4-way proportional directional valves are direct-acting, plate-type valves operated by a proportional solenoid with a central thread. The coil is individually detachable. The solenoid can be controlled via an external amplifier (WRE type) or a built-in amplifier (WREE type).

Example model: 4WREE10E75-2X/G24K31/A1V

4WRE → Direct-acting proportional directional valve, plate-type

E → With built-in amplifier (if E is not available, an external amplifier can be connected)

10 → 10-way valve (also 6-way, etc.)

E → Functional symbol (also E1-, V, W, W1-, EA, WA, etc.)

75 → Rated flow rate (NS10) 75 L/min at a differential pressure of 10 bar

(Also available: (NS6)08, 16, 32; (NS10)25, 50, 75, etc.)

2X →Series 20 to 29 (20 to 29: Installation and connection dimensions unchanged)

G24 →24V DC power supply

K31 →With socket conforming to E DIN 43 563-AM6-3, without plug. Plug must be ordered separately. (K4 refers to socket conforming to DIN 43 650-AM2, without plug)

A1 →WREE type A1 or F1 interface: Input ±10 V (F1 = input 4 to 20mA)

V →Fluoropolymer rectangular seal. Hydraulic oil conforming to DIN 51 524 (HL, HLP)

R901135118 4WREE10W75-2X/G24K31/A1V-280

R901132085 4WREQ6Q5-32-2X/V4A-24PF60

R901131081 4WREQ6V08-2X/V8F-24CA60

R901131077 4WREQ10V25-2X/V8F-24CA60

R901130450 4WREE10W1-75-2X/G24K31/A1V-660

R901130447 4WREE6E16-2X/G24K31/A1V-660

R901127151 4WREE10W25-2X/G24K31/A1V-280

R901126284 4WREE10E50-2X/G24K31/A1V-280

R901112728 4WREE10E25-2X/G24K31/A1V-280 R901109650 4WREE6V32-2X/G24K31/F1V-876

R901107901 4WREE6V16-2X=G24K31/F1V-876

R901105844 KOLBEN4WREQ6Q2-08-20/

R901105842 KOLBEN4WREQ6Q2-32-20/

R901104507 4WREE10W75-2X/G24K31/F1V-742

R901103862 SCHEIBE9,6X1,04WREQ6...-2X/

R901103279 4WREQ6Q5-08-2X/V4C-24CA60

R901102113 4WREQ6V16-2X/V5F-24CF60

R901102112 4WREQ6Q5-16-2X/V5F-24CF60

R901100120 4WREE10E75-2X/G24K31/A1V-660

R901100118 4WREE10W1-50-2X/G24K31/A1V-660

R901095159 4WREE6Q00-2X/G24K31/A1V-598

R901091639 4WREE6V16-2X/G24K31/F1V-876

R901090746 4WREEM10E1-75-2X/G24K34/B6V R901089537 4WREQ6Q5-16-2X/V8C-24PA60

R901086329 4WRE10WA50-2X/G24K4/V

R901085278 4WREE6V32-2X/G24K31/A1V-742

R901084068 4WREEM10R3-75-2X/G24K34/B6V

R901083525 4WREQ6Q5-16-2X=V8C-24CF60

R901083029 4WREEM10W1-75-2X/G24K34/B6V

R901083027 KOLBEN4WRE6X32-20/-874 R901081738 4WREQ6Q5-08-2X/V4C-24PA60

R901080574 4WREQ6V32-2X/V4C-24CA60

R901078764 4WREF6W32-2X/V-24CA1

R901078404 4WREQ6Q5-32-2X/VBF-24CA60 The company mainly deals with European and American brands and can source brands from any European country. For example, our key German brands include: BURKERT, DEMAG, HAWE, REXROTH, HYDAC, PILZ relays, FESTO, IFM sensors, E+H, HEIDENHAIN, P+F sensors, SICK, TURCK, and HIRSCHMANN industrial switches. German brands: Hengstler, Murr, Schmersal, Samson, EPRO (Emerson Group)

American brands: MOOG, ASCO, MAC, NUMATICS, PARKER, VICKERS, ROSS

British brands: Norgren

Italian brands: OMAL, ATOS, CAMOZZI, UNIVER, Camozzi