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Duplomatic QDE* - Flow control compensated proportional valves

Duplomatic
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Duplomatic Oleodinamica designs and produces a complete range of hydraulic components that are suitable for all application sectors of both industrial and mobile fields.

The Duplomatic QDE* are a compensated flow control proportional valves, CETOP 05, with pressure compensation and mounting surface according to ISO 6263-03 and ISO 4401-05 (CETOP RP121H), supplied with 2 or 3 way design, depending on the use of port P. This valve is used for the regulation of the flow in branches of a hydraulic circuit or for the speed control of hydraulic cylinders. The flow can modulated continuously in proportion to the current supplied by the solenoid The valve can be controlled directly from a current controlled power supply or with an integrated electronic, which allow to fully exploit the performance of the valve. QDE* valves are available in two sizes, for 5 flow adjustment ranges of up to 80 l/min.


Description QED3 QDE5
Maximum Operating Pressure 250 Bar 250 Bar
Controlled Flow 14 / 20 / 30 / 40 l/min 80 l/min
Minimum Suggested Input Flow 40 / 50 / 40 / 50 l/min 90 l/min
Spring Setting in Pressure Compensator 4 / 8 / 4 / 8 Bar 8 bar
Minimum Pressure Drop A > B 10 / 22 / 10 / 22 Bar 22 bar
Hysteresis (with PWM 100 Hz) <6 % of Q Max <2 % of Q Max
Repeatability < 1.5 % of Q Max < 1.5 % of Q Max
Ambient Temperature Range -20 / 60°C -20 / 60°C
Fluid Temperature Range - 20 / 80°C - 20 / 80°C
Fluid Viscosity Range 10 ÷ 400 cSt 10 ÷ 400 cSt
Fluid Contamination Degree According to ISO 4406:1999 class 18/16/13 According to ISO 4406:1999 class 18/16/13
Recommended Viscosity 25 cSt 25 cSt
Mass 1.6Kg 4.6Kg

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Vat Reg Number: 846644204 Company Registration Number: 5230249

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