DA Series Pilot Operated Unloading Relief Valve
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DA Series Pilot Operated Unloading Relief Valve

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  • DA

  • Xeriwell or Others

详情图_01详情图_02详情图_03

valve1valve2

Hydraulic technical data
Size 10 20 30
Max. flow (L/min) 40 100 250
pressure rang See chracteristic curse
Operating pressure,port A (MPa) up to 31.5
Max.settable pressure (MPa) up to 8,up to 16,up to 31.5
Pressure fluid
Mineral oil (for NBR seal),or phosphate ester (for FPM seal)
Viscosity range (mm2/s) 10~800
Pressure fluid temperature range (℃) -30 to + 80
Degree of contamination (μm ) Maximum permissible degree of contamination of the pressure fluid is to NAS 1638 class 9.
We,therefore,recommend a filter with a minimum retention rate of β10≥ 75
Weight (Kg) DA 3.8 7.7 13.4
DAW 4.9 8.8 14.5

Hydraulic

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