Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice Proportional technology Series WPR 2 s 2 | 208 Series WPR • Output pressure up to 18 bar • Flow rate up to 4000Nl/min • There are versions available with or without proportional integration • Proportional Integrated versions available with Analogue/Digital, CANopen® , IO-Link, EtherCAT®, PROFINET IO RT and EtherNet/IP interface • IN / OUT connections, main regulator G1/2" • EXH connection, main regulator G1/4" • IN connection, pilot regulator M5 • Versions available with external feedback WPR proportional piloting pressure regulators are designed to be able to provide an output pressure value P2 up to 18 bar and are available with the integrated pilot proportional pressure regulator or with an M5 connection for pneumatic proportional remote piloting. The main regulator and pilot regulator maintain separate supplies, while the main regulator has a maximum inlet pressure of 20 bar the proportional pilot regulator maintains the inlet pressure of 10 bar. The ratio of pilot pressure to outlet pressure is between 1:1 and 1:2 depending on the inlet pressure and pilot pressure. The device is made with G1/2" IN/OUT main connections and provides a nominal flow rate of 4.000 Nl/min. The device is available with pneumatic, Analog/Digital, CANopen®, IO-Link, EtherCAT®, PROFINET IO RT and EtherNet/IP interfaces Proportional management refers only to the low-pressure piloting part. Proportional management refers only to the low-pressure piloting part. Product presentation and applications WPR proportional regulators (Wide Pressure Range) are ideal for all applications where there is a need to use a low-pressure (0-9 bar) reference signal resulting in a high-pressure (0-18 bar) P2 output. The devices have separate pneumatic supplies for the main regulator and the integrated pilot proportional regulator. The main regulator features G1/2" IN/OUT connections and a G1/4" EXH drain connection. The input connection of the integrated pilot proportional regulator is M5 ported. An external feedback version is available an option that allows the P2 pressure signal to be taken from a remote point rather than directly from the usage connection. This function is usually used when the end user is not near to the devices. At the top is located the management electronics or the connection for remote piloting. The fixing takes place through the use of a special fixing bracket. Technical characteristics IN/OUT connections G1/2" EXH connections G1/4" Max. torque fitting tightening (Nm) IN/OUT/EXH connections G1/2" Metallic: 30 G1/4" Metallic: 20 Fluid 20μm filtered and preferably non-lubricated air. For the proportional regulator pilot 5μm filtered non-lubricated and dehumidified air. Pressure measurement G1/8" pressure gauge socket Assembly configuration Stand alone Assembly positions Indifferent Body and connections type Aluminum body, integrated aluminum connections Operational characteristics Main regulator max inlet pressure (bar) 20 (the inlet pressure must be at least 1 bar higher than the desired outlet pressure) Pilot regulator max inlet pressure (bar) 10 (the inlet pressure must be at least 1 bar higher than the desired outlet pressure) Piloting pressure range (bar) 0 ... 9 Temperature range (°C) -5 ... +50
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