Product Description:
Characteristics of proportional valve amplifiers:
Precise control: The proportional valve amplifier can convert electrical signals into corresponding hydraulic signals to achieve precise control of the pressure and flow of the hydraulic system. It is widely used in automation control systems and has the characteristics of fast response speed and high control accuracy.
Various types: There are many types of proportional valve amplifiers, including board amplifiers, box amplifiers, plug amplifiers and integrated amplifiers. Each type has its specific application scenarios and characteristics. For example, the box amplifier has a protective shell, which is suitable for walking machinery and has waterproof and dustproof characteristics.
Rich functions: Some models of proportional valve amplifiers also have multiple functions, such as differential input, LED display, ramp time adjustment, synchronous power output, etc. For example, Rexroth proportional valve amplifier VT-5035-1X has functions such as power supply reverse polarity protection and cable disconnection detection.
Precautions for use:
Installation and maintenance: The installation of the proportional valve amplifier should be firm and reliable, and operate strictly in accordance with the instructions to avoid human damage. Regular maintenance and maintenance should be carried out to ensure the normal operation of the hydraulic system.
Wiring requirements: The following points should be noted when wiring:
The power supply voltage is 24VDC, and the input command, output current, dither frequency, ramp time, etc. can be set on site.
The two wires of the proportional coil do not have positive and negative polarity. If an ammeter is connected in series, the positive pole is connected to the positive pole of the ammeter and the negative pole is connected to the negative pole of the ammeter.
When measuring the output current or voltage of the controller, the load proportional valve coil must be connected to test, otherwise it is easy to damage the controller.
The amplifier can only be plugged in and out when the power is off, and the shielded signal line should be more than 1 meter away from the power line.
Electromagnetic compatibility: During use, the electromagnetic compatibility design specifications must be observed. All cables leading to the outside must be completely shielded to prevent electromagnetic interference. The power supply should be provided by a voltage-stabilized power supply unit to suppress external voltage interference and improve signal quality.
Feedback Type | Position |
Mounting Type | Subplate, Sandwich, Threaded |
Control Mode | Proportional solenoid |
Max Flow Rate | Up to 600 l/min |
Control Signal | Analog, Digital |
Certifications | CE, UL, CSA |
Pressure Rating | Up to 350 bar |
Operating Temperature | -20°C to +60°C |
Hysteresis | ≤ 2% |
Application | Industrial and mobile hydraulics |
FAQ
Q1: Wonder if you accept small orders?
A1: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convener ,we accept small order.
Q2: Can you send products to my country?
A2: Sure, we can. If you do not have your own ship forwarder, we can help you.
Q3: What's your payment terms ?
A3: By T/T,LC AT SIGHT,100% full payment.
Q4: How long is your production lead time?
A4:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty.
Q5: When can I get the quotation ?
A5: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.