YUKEN EDG-01V-B-PNTI0-5012-R Pilot Operated Relief Valve

Model analysis
Yuken's model usually consists of multiple fields, each with the following meanings:
-EDG-01V: Basic model, representing proportional relief valve (pilot operated), 01V represents valve size or flow rating.
-B: The series or design version of the valve (which may correspond to specific pressure or functional characteristics).
-PNTI0: Electrical interface type, usually referring to amplifier integrated type with analog voltage/current input (such as ± 10V or 4-20mA) (PNT may refer to built-in amplifier).
-I0: may indicate current input (such as 0-20mA or 4-20mA).
-5012: Pressure regulation range or other performance parameters (e.g. initial pressure of 50 bar, regulation range of 12 bar, manual confirmation required).
-R: Additional options, which may represent the direction of the drain port, sealing material, or special features (such as R-type drain port).
Function Description
-Proportional relief valve: It controls the pressure of the system through electrical signals (voltage/current) to achieve stepless regulation.
-Pilot operated structure: The main valve core is controlled by a pilot valve, which has fast response and good stability.
-Built in amplifier (PNTI0): directly receives external analog signals, simplifying wiring.
Typical applications
-Accurate pressure control in hydraulic systems, such as injection molding machines and presses.
-A closed-loop control system that requires dynamic pressure regulation.
-Energy saving system (by reducing pressure during non working phases).

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