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Proportional Valve

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Proportional Valve DREM

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Feature:

1. For subplate mounting

2. Encased in block

3. Optional additional maximum pressure limitation by means of a spring loaded pilot control valve

4. Valve and electronic control form one source

BRH DBEM_re29142_2005-05_01.png

Technical data (for applications outside these parameters,please consult us!)
General
Weight -DBE   and   DBEM   kg 6.0 
-DBEE   and   DBEME   kg 6.2 
Installation orientation Optional
Storage temperature range   ℃ -20    to+80
Ambient temperature -DBE   and   DBEM   ℃ -20    to+70
range -DBEE   and   DBEME   ℃ -20    to+50
Hydraulic(measured with HLP46;70oil=40℃±5℃ and p=100 bar)
Max.operating pressure -Ports A,B and X  bar 350 
-Port Y Separately and at zero pressure to tank
Max.set pressure -Pressure stage 50 bar  bar 50 
-Pressure stage 100 bar  bar 100 
-Pressure stage 200 bar  bar 200 
-Pressure stage 315 bar  bar 315 
-Pressure stage 350 bar  bar 350 
Min.set pressure in port A with zero command value  bar See characteristic curve on page 7
Maximum pressure relief function (infinitely adjustable) -Pressure stage 50 bar  bar Pressure adjustment range:Factory setting:
30 to 70                70 bar
-Pressure stage 100 bar  bar 50 to 130               130 bar
-Pressure stage 200 bar  bar 90 to 230              230 bar
-Pressure stage 315 bar  bar 150 to 350             350 bar
-Pressure stage 350 bar  bar 200 to 390             390 bar
Max.flow L/min 600 
Pilot flow L/min 0.7 to 2
Hydraulic fluid Mineral oil(HL,HLP)to DIN 51524.
Other hydraulic fluids on enquiry!
Hydraulic fluid temperature range   ℃ -20   to+80
Viscosity range mm²/s 15 to 380
Max.permissible degree of contamination of the hy- Class 20/18/151)
draulic fluid -cleanliness class to ISO 4406(c)
Hysteresis(see comm.value/pressure characteristic curve on page 7)   % ±1.5 of max.set pressure
Repeatability   % <±2 of max.set pressure
Linearity   % ±3.5 of max.set pressure
Tolerance of the command -DBE   and   DBEM   % ±2.5 of max.set pressure
value/pressure curve -DBEE   and   DBEME   % ±1.5 of max.set pressure
referred to hysteresis curve,increasing pressure
Step  response  T+T 0→100% ms 150       Depending on flow and on line volume
100→0% ms 150      in port A of the system

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