Бренды
4/3 proportional directional valve, pilot-operated, without electrical position feedback, without integrated electronics (OBE) 4WRH
4/3 proportional directional valve, pilot-operated, without electrical position feedback, without integrated electronics (OBE) 4WRH
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Size 10, 16, 25, 32, 52
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Component series 7X
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Maximum operating pressure 350 bar
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Maximum flow 2800 l/min
Type |
4WRH | ||||||
Size |
10 | 16 | 25 | 32 | 52 | ||
Installation position |
any, preferably horizontal | ||||||
Ambient temperature range |
°C |
-20 … +70 | |||||
Storage temperature range |
°C |
-20 … +80 | |||||
Weight |
for subplate mounting |
kg |
6.1 | 9.7 | 18 | 41.5 | |
with "D3" |
kg |
6.6 | 10.2 | 18.5 | 42 | ||
Sine test according to DIN EN 60068-2-6 |
10 cycles, 10…2000.. 10 Hz with logarithmic frequency changing speed of 1 octave/min, 5 to 57 Hz, amplitude 1.5 mm (p-p), 57 to 2000 Hz, amplitude 10g, 3 axes | ||||||
Random test according to DIN EN 60068-2-64 |
20…2000 Hz, amplitude 0.05g2/Hz (10gRMS) 3 axes, testing time 30 min per axis | ||||||
Shock test according to DIN EN 60068-2-27 |
Half-sine 15g / 11 ms, 3 times in positive and 3 times in negative direction per axis, 3 axes | ||||||
Damp heat according to DIN EN 60068-2-30 |
Variant 2: +25 °C to +55 °C, 90 % to 97 % relative humidity, 2 cycles á 24 hours |