Duplomatic Explosion Proof Proportional 3-Port Pressure Reducing Valve, Pilot Operated Compliant With ATEX, IECEx, INMETRO, PESO, Type DZCE*K*

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Duplomatic

Explosion proof proportional 3-port pressure reducing valves, pilot operated compliant with ATEX, IECEx, INMETRO, PESO

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Description

The DZCEK series are pilot-operated, three-port pressure-reducing proportional valves, designed for subplate mounting. This explosion-proof version is certified in accordance with ATEX, IECEx, INMETRO, or PESO standards, making it suitable for use in potentially explosive atmospheres, both in surface plants and underground mining environments. A version for low ambient temperatures, down to –40 °C, is also available, ensuring dependable operation even in extreme environmental conditions. These three-port valves reduce pressure from pressure port P to actuator port A, and allow return flow from A to T when the downstream pressure (at port A) exceeds the set value — ensuring overpressure protection. Valves are available with 12 V or 24 V supply, and can be equipped with either metric or NPT threaded ports. Cable glands are sold separately. The valve can be driven by a current-controlled power supply or via an electronic amplifier card, which must be ordered separately and installed in a separate cabinet outside the hazardous area.

Downloads

Datasheet_DZCE_K_.pdf

pdf

Specifications

Type
Explosion-proof proportional 3-port pressure reducing valve, pilot operated
Series
DZCE*K*
Mounting
Subplate, ISO 4401-05, 07, 08 (CETOP)
Operating principle
Pilot operated, 3-port pressure reduction, proportional control
Maximum operating pressure
350 bar
Max flow
150 l/min (P05), 300 l/min (05), 500 l/min (07/08)
Pressure Reduction
Port P to actuator A; overpressure protection by A to T
Step Response
See datasheet point 5
Hysteresis
<6% of p max (PWM 200 Hz)
Repeatability
<±2% of p max
Fluid Viscosity Range
10 ÷ 400 cSt
Fluid Contamination
ISO 4406:1999 class 18/16/13
Recommended viscosity
25 cSt
Temperature Range
See data sheet 02 500
Certification
ATEX, IECEx, INMETRO, PESO
Seals
N = NBR, V = FPM, NL = low temp
Voltage
Choose the voltage require to operate the valve.AC stands for alternating current, DC for direct current.
12V DC, 24V DC
Cable gland
Metric or NPT, ordered separately
Indspare

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