Parker Series REET Proportional Pressure Relief Valve with Onboard Electronics

The proportional pressure relief valve series RE*E*T with onboard electronics consists of a proportional pilot stage and a slip-in cartridge main stage. It is electronically based on the functionality of the digital amplifier PCD00.

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Parker’s proportional pressure relief valves series RE*E*T with onboard electronics, proportional pilot stage and slip-in cartridge main stage provide a favourable pressure/flow (p/Q) behaviour and thus enable a improved process and product accuracy. A mechanical maximum pressure stage is optionally available. For sizes NG25, NG32 and NG40 a screw-in cartridge is used, for sizes NG50 and NG63 an additional sandwich unit.

Series RE*E*T is electronically based on the functionality of the digital amplifier PCD00. The digital onboard electronics is situated in a robust metal housing and can be used in rough environments.

Markets:

• Industrial

Benefits:

• Cavity and mounting pattern according to ISO 7368 – for quick, easy integration
• Favourable pressure/flow (p/Q) behaviour – prevents higher pressure variation
• High nominal flow rates up to 4000 l/min – optimum efficiency in relation to valve size
• 4 pressure stages – enables fine adjustment
• 6 sizes, NG16 to NG63 – makes selection easy
• Onboard electronics in robust housing – ensures long service life in rough environments
• Factory setting – plug and play
• Short delivery time – no warehousing necessary
• Optional mechanical max. pressure stage
• Ramp time adjustment
• Linearized characteristics

Applications:

• Suitable for general hydraulic applications with high flow
• General presses
• Injection molding

Technical Specifications

Product Series	Pressure valve
Operation Type	Pilot
Actuation Type	Proportional
Electronics Type	Onboard
Mounting Type	Slip-in cartridge
Mounting Position	Unrestricted, horizontal mounting preferred
Configuration	N/A
Maximum Operating Pressure	350 bar
Pressure Control Range	105, 175, 250, 350 bar
Flow Rate	N/A
Maximum Flow Rate	Depending on size, 220-4.000 L/min
Maximum Operating Temperature	60 °C
Minimum Operating Temperature	-20 °C
Seal Material	NBR, FPM
For Fluid Type	Hydraulic oil according to DIN 51524, Water glycol
Body Material	Steel
Weight	Depending on size, 2.7 to 24.3 kg
Function	Normally open