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PCEX

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Description:
Piezo-operated proportional pressure valve with closed loop in a
two-wire system. Outlet pressure is proportional to an electrical
input signal. The valve can be mounted in any position and is
immune to shock or vibration. It is pilot-controlled to reach a
higher flow rate.

Media: lubricated or unlubricated and 50 μm filtered compressed air
or non-corrosive gases
Supply_voltage:
not necessary due to two-wire system
(supply through 4...20 mA command signal)

Electrical_connector: coupling socket, 4-pin according to DIN 43651,
size 15 x 15 mm connector turnable in 90° steps

ATEX_classification: Compliance with directive 94/9/EC for use in
potentially explosive atmosphere of group IIC,
temperature classification T4.
Ignition protection type: II1G Ex ia IIC T4; II1D Ex D20 T135°C

Power_consumption: < 200 mW
Failsafe feature exhaust at power breakdown

Linearity/Hysteresis: < 1% FS Repeatability < 0.5% FS
Mounting_position: any
Protection_class: IP 65
Air_consumption: The pilot valve has an air consumption of 1.6 l/min

Temperature_range:
Media = 0 °C to 60 °C / 32 °F to 140 °F
Ambient = 0 °C to 60 °C / 32 °F to 140 °F

Body: aluminium and plastic
Elastomer: NBR/Buna-N and FKM
Inner_valve: stainless steel and plastic

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