Duplomatic Explosion Proof Proportional Flow Control Valve, Compensated Compliant With ATEX, IECEx, INMETRO, PESO, Type QDE3K*

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Duplomatic

Explosion proof proportional flow control valves, compensated compliant with ATEX, IECEx, INMETRO, PESO

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Description

The QDE3K* are explosion proof proportional flow control valves with pressure compensation, for subplate mounting. They are compliant with ATEX, IECEx, INMETRO or PESO requirements and are suitable for use in potentially explosive atmospheres, for surface plants or mines. A low temperature version (up to - 40 °C) is also available. These valves work in 2 or 3 ports, depending on how the interface is made on the mounting surface. They are used for flow control in branches of a hydraulic circuit or for the speed control of hydraulic cylinders. The valves are available with 12 or 24 V solenoid. Several connection types are available, metric or NPT type. Cable glands are available.

Downloads

Datasheet_QDE3K_.pdf

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Specifications

Type
Explosion-proof compensated proportional flow control valve
Series
QDE3K*
Mounting
Subplate, ISO 6263-03
Operating principle
Pressure compensated, proportional electric control
Ports
2-way or 3-way (depending on use of port P)
Maximum operating pressure
250 bar
Controlled Flow
6, 8.5, 14, 20, 30, 40 l/min
Max Input Flow (3-way)
40, 50 l/min (by model)
Spring Setting
4 or 8 bar (pressure compensator)
Min Pressure Drop A > B
10 or 22 bar (by model)
Hysteresis
<6% of Q max
Repeatability
<±1.5% of Q max
Fluid Viscosity Range
10 ÷ 400 cSt
Fluid Contamination
ISO 4406:1999 class 18/16/13
Recommended viscosity
25 cSt
Certification
ATEX, IECEx, INMETRO, PESO
Surface Treatment
Zinc-nickel coating
Temperature Range
See data sheet 02 500
Seals
N = NBR (standard), 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
Manual override
Boot protected (CM), blind ring nut (CB), turning knob (CK1), push/twist (CK2), screw (CS)

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