Duplomatic Proportional Pressure Relief Valve, Pilot Operated, Type PRE3

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Duplomatic

Proportional pressure relief valves, pilot operated

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Description
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Description

DESCRIPTION The PRE3 is a proportional pressure relief valve, pilot operated, for subplate mounting. It is suitable to modulate the pressure in hydraulic circuits. This valve has a mechanical pressure limitation function in order to offer a great safety application. Five pressure regulation ranges are available, up to 350 bar. It can be controlled directly by a current-controlled power supply, or by an electronic card, to be order separately.

Key Features

• Pilot operated pressure relief valve • Flow rate up to 40 l/min • Good linearity and repeatability • Robust mechanical design • Supports a wide range of pressure control ranges

Downloads

Datasheet_PRE3.pdf

pdf

Specifications

Mounting Type
Subplate, ISO 4401-03
Maximum operating pressure
350 bar (P port), 2 bar (T port)
Minimum Flow
2 l/min
Maximum flow
40 l/min
Hysteresis
< 5% of pnom (PWM 200 Hz)
Repeatability
< ±1.5% of pnom
Voltage Options
12 V DC or 24 V DC
Electrical connection
EN 175301-803 (DIN 43650)
Protection Class
IP65
Temperature Range
-20°C to +80°C (fluid), -20°C to +60°C (ambient)
Viscosity Range
10 to 400 cSt
Recommended viscosity
25 cSt
Mass
3.5 kg
Pressure Control Ranges
4–25, 4–70, 4–140, 5–210, 5–350 bar
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